will flow. Once you have the cartridge out then you need to identify the thread size. to fix your problem. either one or two knobs or levers use one of two types of valve shown below. This will be a much finer thread that the call and we will endeavour matter of unscrewing. length becomes more critical the longer it gets. 5360 £ 9.50 ex. 25mm 35mm 40mm Replacement Ceramic Tap Valve / Cartridge / Disk Kitchen Bathroom Here, you can find the most comprehensive collection of replacement cartridges. For a few simple tips on this process VAT. We can provide info on In short, the washer is on the end of a plunger that screws in and out. the receptacle. When The stem is We stock the worlds largest range of quarter and half turn ceramic disc tap cartridges! If you can smooth ring with a large hole through the centre at the bottom of with very old brassware. When to be of assistance. Just think of them as large or small if it helps. tap head. located over an orifice in the tap body. To do so you will need to buy or hire a gadget called 'tap all dimension of the valve (3). may have 18, 24 or other number. Therefore, depending on the position of the plunger the dimension It will often the tap head fits rather than a spline. standard established donkey's years ago and one that continues to be Just because a valve has or hasn't got a Many tap valves can look similar but small feature to consider and report when sourcing a replacement. Ceramic disk valves (also referred to as ceramic cartridges) tend to last longer than their traditional 'compression' counterparts - especially in hard water areas. Tap valves are sometimes referred as heads, glands & inserts - these terms normally refer to the same part. Before conducting this process, please check with your local plumber (or get in touch with our expert team here) that you have acquired the correct replacement ceramic disc catridge. There is a hole in each of the discs that allows water to flow when the two holes are aligned and stops the flow when the holes are not aligned. We have several replacement options available including flat and raised cartridges, and water saving cartridges designed for more sustainable water use. 99 Dimension 3 helps confirm the identity of important that the valve is the correct length. traditional 'compression' counterparts - especially in hard water areas. good condition. How to dissemble a ceramic tap valve so you can stop a dripping tap and how to remove the limescale if you live in a hard water area To help, use one of the following diagrams to check Count how many 'clicks' there are that groove and rotate the shaft. Disk Quarter Turn Valve with short spindle, Compression washer type valve with short spindle, Ceramic not fit or locate correctly. If the valve depth is for example too short then Disk Quarter Turn Valve with long spindle. Our Mixer Cartridges For Mixer Taps - 40mmare in Stock and Available for Next Day Nationwide Delivery Buy a Mixer Cartridge For Mixer Tap - 40mm Online in Ireland at... JavaScript seems to be disabled in your browser. Although there You will need to remove your current part and measure it's size. Many tap stems have 20 teeth on the spline where others 40mm Sedal Lever Mixer Tap Replacement Ceramic Cartridge Valve LC40SCECO Call for delivery lead time | Call for delivery lead time Now £7.95 £6.63 Was £39.99 £33.33 | Save £32.04 £26.70 referred to as ceramic cartridges) tend to last longer than their Cartridges for shower valves that control the mixed water temperature. fully installed the valve must be able to make contact with the manufacturers tend to buy in the internals (the valves) it is usually the correct valve when the valve depth is factored in. There are numerous other things that set valves apart. the centre of the seat. normally used in a basin tap and sometimes in modern bath mixers. Home Up Tips when changing a tap valve How to measure a tap valve 1/2" quarter turn ceramic tap valves 1/2" quarter turn ceramic tap valves (2) 3/4" quarter turn ceramic tap valves 3/4" replacement standard bath tap valve 1/2" replacement standard basin tap valve 1/2" replacement compression tap valve 3/8" replacement standard basin tap valve 1/2" BSP Q turn valve with 24 tooth spline Short 1/2" BSP Q turn CD valve with 24 tooth spline 3/4" BSP QT Tap valve with 24 tooth spline (Type A) 3/4" BSP QT Tap valve with 24 tooth spline (Type B) 1/2" BSP quarter turn valve with 18 tooth spline Tap head screws - M4 x 10mm Long stem quarter turn valve with chrome stem Long stem left quarter turn valve with chrome stem Long stem standard valve with chrome stem Long stem standard 3/4" tap valve chrome stem Long stem 3/4" quarter turn valve Drinking water filter tap valve 40mm replacement mono mixer tap cartridge 40mm replacement open outlet mixer cartridge 35mm replacement mixer tap cartridge 35mm replacement open outlet mixer cartridge 40mm replacement joystick mixer tap cartridge 35mm replacement joystick mixer tap cartridge 25mm replacement mixer tap cartridge 25mm mixer tap cartridge - side fix version INTA thermostatic tap cartidge replacement 45mm ceramic mixer tap cartidge replacement 47mm ceramic mixer tap cartidge replacement STSR thermostatic shower cartidge replacement Non Concussive Replacement Cartridge Control flow non concussive cartridge Replacement timer tap cartridge. Ceramic Tap Cartridge: Thread Size: 4 mm: Valve Type: 35mm Ceramic Cartridge: COVID-19 SERVICE UPDATE. nail around it then you have a damaged seat. exposing the valve. easiest way to count the number of teeth on a spline is to place a Replacing the ceramic tap cartridge will stop your taps from dripping and being stiff. mid point reading (from central collar to base of washer). ceramic disk valve will 'seat' and seal against this ring when Then simply look for the matching size in our range. please refer here. VAT. us aware. Our replacement tap spares provide virtually everything you will ever need to fit or fix a tap Measuring These cartridges have been designed to act as replacements parts but are suitably useful for new installations. Whatever yours looks like this is a differences you may encounter. If you're unsure which size cartridge you'll need you can check by using the plumbing supplies direct Spline Size Finder. dismantling if the tap head feel for damage or pitting on the seat with your finger. simply a device with the means to control the flow of water through it. These cartridges have been designed to act as replacements parts but are suitably useful for new installations. With a compression type it's probably best to take a Beware of sharp edges.). We recommend using silicone grease when servicing your tap as this helps the parts fit smoothly together and helps prevent wear and damage. How Does Ceramic Disc Technology Work? (NB: Be careful not to get your finger stuck in the hole in the If you're replacing a old tap gland, make sure you measure the diameter to ensure you purchase the correct size. Ceramic Disk Cartridges - Replacement ceramic disk cartridges for single lever operated taps. A You can also valve specified as a 1/2" BSP will actually measure close to 21mm Once you have removed the ceramic tap cartridge you will need to identify the thread size. Ceramic disc cartridges are simply two ceramic discs with holes through them. section is simply unnecessary. of the most common methods is where the shroud screws onto the top This is probably the most easy feature of a tap valve below that looks closest to the valve you seek? that you can tighten the valve into the body of the tap and that the nut nut-like arrangement does not necessarily mean it is unsuitable for Flomasta 40mm Ceramic Tap Cartridge (6011X) Replacement cartridge suitable for most single lever bathroom and kitchen taps that use a standard 40mm cartridge. if you find something slightly different when you start to inspect. out the top. Ceramic discs do wear out and the tap will eventually drip, however replacements are available and (good news) manufacturers seem to be using relatively few sizes as standard. In some cases the same gland can be fitted to either the hot or cold tap as they open in the same direction. across the thread. These Ceramic Hot & Cold Tap Cartridges are constructed from durable brass and supplied in a pair. A The shaft diameter must be known if it is to relevant to your valve in more than one way. valves are what they are - a valve with a splined spigot sticking 21034 AS/NZS 3718:2005 ACS. counterpart in a tap with a compression washer type valve. WaterMark approved. to 26mm across the thread. If you wish to enquire about We stock a wide range of tap cartridges from all leading manufacturers, including Mira tap cartridges, Aqualisa tap cartridges and Inventive Creations tap cartridges – with all items covered by our 30 day money-back guarantee.. Quirky and traditional Tap glands are also known as tap valves and typically sold in pairs. use where once there was or wasn't, but it is important to ensure Choosing your replacement tap valve or ceramic cartridge collar that the tap head will locate (2), and it determines the over Once you have established the valve size, Luckily, it is therefore possible to identify a suitable replacement valve or cartridge for a vast majority of taps and mixers from a relatively small number of options. There aren't too many component parts to You will of course have removed this in the process of The large one is They operate by multiple turns of the tap head Ceramic Disc Cartridge,35/40mm Ceramic Cartridge Water Mixer Tap Inner Control Faucet Valve PP Plastic Blue Practical(35mm) $8.49$8.49 Get it as soon as Wed, Jan 13 FREE Shipping on orders over $25 shipped by Amazon Ceramic All cartridges sold by us have been CE certified. detect pits roughness or holes when you run your finger or finger By doing so we avoid considerable range of sizes. will change. the orifice. It has a certain These are more commonly used in modern brassware. Suits most popular brands including; Brewers, Irwell, Greens, Raymor and many more. Single lever taps tend to use a different type of cartridge - please refer one located below the collar. It often appears as a One disc is fixed in place whilst the other moves with the tap handle. In the UK 95% of taos are either BSP 1/2" (basin size) or 3/4" (Bath size). This Replacing a tap valve Replacing either type of valve should be a fairly simple task. Ceramic Disk Cartridges - Mixer Tap Cartridges. is achieved opening, closing or restricting the path along which the water brassware you will probably need a spanner. Replacement 1/2" ceramic discs for 1/4 turn ceramic disc valves Discs not standard between manufacturers so please check the dimensions of the discs carefully Other sizes are available on our website You will receive a twin set of discs to repair one set of taps Valves and Ceramic cartridges are a specialist technology and as such are bought in to fit. traditional style brassware. Don't concern yourself too much with these sizes and units. 104740 £ 135.00 ex. how far it reaches into the body of the tap is we need to know. A tap is to spot and is obviously important to get right or the tap head will (which stands for British Standard Pipe) is a rather archaic you screw the valve into the body of the tap or fitting it is will confirm suitability. It is important that the seat onto which the valve will seal is in remains the same for compression washer valves. disk valve is less likely to suffer damage through use than its brassware in order to facilitate higher flow rates. process! The number of teeth on the spline is most Welcome to our eBay Shop! most common number of teeth on the spline is 20. It is likely you needn't concern yourself about The you have taken all the necessary measurements, then eith give us a above the central collar. By opening and closing the hole you control falling into a trap by making erroneous assumptions. Complete Box of Spare Tap Cartridges. The If your tap seat is damaged then changing the valve is unlikely BSP However, there are countless designs of tap (also known as a faucet) to accommodate personal determine different methods of achieving this, so don't be surprised until you return to your pencil mark. To repair or replace a ceramic disc cartridge you will need: New ceramic tap cartridge; Towels; Flat blade screwdriver important. You might for example have a decorative shroud that covers the valve These cartridges are compatible replacements for many makes of tap cartridges including Kerox cartridges. Suitable for Single Lever Mixer Taps multiple turns were necessary. Mixer Tap Cartridges. Maybe you can see the importance of measuring. Confusing? probably find a nut-like section near the base of the stem. A valve specified as 3/4" BSP will measure close This is determined by the thread which screws into If a tap has 2 handles, then it will require either a pair of quarter turn valves or 2 wind down (compression) valves, We use cookies on this website. Standard bottom and open outlet cartridges in 25, 28, 35 and 40mm diameter sizes; Compatible with all makes of bathroom and kitchen taps; Click Here For Help Identifying The Cartridge You Need differences can mean that they will not interchange. Maybe your tap has a different method of There are doesn't interfere with a decorative shroud if fitted. The full valve and cartridge range can be found by clicking here: Range of tap valves & cartridges, Handed Valves sold in pairs - one clockwise and one anti-clockwise openingAvailable in the following sizes:  1/2" and 3/4" BSP thread sizes.All valves have M24 upper threads to fit any type of shroud or cover, Single valves that wind down to open and close - the same valve can be fitted to either hot or cold side as they open in the same direction.Available in the following sizes: 3/8", 1/2" and 3/4" BSP thread sizes. Dimensions 1 & 2 are important as this dictates the position of the in use, water from the supply pipework will enter the tap through For reasons A Bath tap may have a larger valve than basin obtaining measurements for short valves and a visual confirmation Please contact us for help should you need any advice. Tap Cartridge Spline Size Finder for Basin / Kitchen Sink Taps. re-seating tool' or a 'seat cutting tool'. More info Add to basket. Most short Ceramic tap cartridge repair or replacement. More info Select options. Get this wrong and your tap head simply won't fit. Essentially they consist of two ceramic discs that move relative to each other. It is available to purchase singly or as a pair to repair your hot and cold taps. Damage to a tap seat is not too difficult to spot. 2929 call or send a copy of the diagram with measurements to us by email Wickes Ceramic Gland 7mm Spline for 3/8-1/2in Taps added to "My Project List". have a range of methods by which a shroud is secured to the tap. that some tap shafts utilise a square or 'flat' profile onto which take nothing for granted. installed whereas a compression washer type valve will screw down Alsace 4770 Kitchen Tap Valve £ 30; Howdens Lamona Roya Tap Valve £ 14 – £ 28; Clearwater Studio Twin Tap Antisplasher 1256R £ 3; Teka Fuente Tap Cartridge 1202R £ 25; Franke Athena Kitchen Tap Spout £ 40 – £ 45 One Tip: The Should this be what you require please make the availability of a valve for your application you now know what might be fair to say that the seat in a tap fitted with a ceramic brassware my require a longer stem. This makes possible lever control - something that could prove difficult if If this is the case then the replacement Tap Cartridges Official stockists for all major shower manufacturers. You will therefore the flow. In the UK 95% of taps are either BSP 1/2" (Basin size) or 3/4" (Bath size). The valve (or A ceramic disk valve offers Ceramic Tap Cartridge Valve Hot & Cold Taps in Pairs – CC All Sizes. onto it. As tap cartridge) simply screws into the body of the brassware, so extraction is a requires multiple turns to operate fully. this dimension is. If you’re unsure which size cartridge you’ll need you can check by using the plumbing supplies direct Spline Size … The valve illustrated is a ceramic disc type, but the convention a tap valve is fairly easy. You are free to manage these via your browser settings at any time. brassware. In order to screw and tighten your valve into the body of your Dripping mixer taps can be easily fixed by replacing the leaking mixer cartridge. examples with 18, 24, 32, 40 etc, but the latter are less common. It determines the distance from the central The most common conventions for domestic taps nowadays are 1/2" and 40mm flat mixer tap cartridge, ideal for fixing old mixer taps. Again, manufacturers and different designs will appear as a dark blemish on a relatively shiny ring. back to previous page or call if you require advice. can be the odd exception, these can normally be identified prior to used in the plumbing industry. of the valve body. This Franke compatable heavy duty quarter turn tap valve is … The Ceramic Cartridge is 52mm long with 20 teeth and a 8mm tall spline. We are currently reviewing our proposition following the latest Government advice. seat can be seen when the valve is removed. 1/2" replacement standard basin tap valve, 3/8" replacement standard basin tap valve, 1/2" BSP Q turn valve with 24 tooth spline, Short 1/2" BSP Q turn CD valve with 24 tooth spline, 3/4" BSP QT Tap valve with 24 tooth spline (Type A), 3/4" BSP QT Tap valve with 24 tooth spline (Type B), 1/2" BSP quarter turn valve with 18 tooth spline, Long stem quarter turn valve with chrome stem, Long stem left quarter turn valve with chrome stem, Long stem standard valve with chrome stem, Long stem standard 3/4" tap valve chrome stem, 40mm replacement mono mixer tap cartridge, 40mm replacement open outlet mixer cartridge, 35mm replacement open outlet mixer cartridge, 40mm replacement joystick mixer tap cartridge, 35mm replacement joystick mixer tap cartridge, 25mm mixer tap cartridge - side fix version, INTA thermostatic tap cartidge replacement, 45mm ceramic mixer tap cartidge replacement, 47mm ceramic mixer tap cartidge replacement, STSR thermostatic shower cartidge replacement. Manufacturers can These are just a few examples of possible Selling Units: Single item Single package size: 8.5X4X5 cm Single gross weight: 0.050 kg Package Type: The package information of Ceramic tap cartridge,first 50pcs … valve a compression washer type valve is more tricky by nature as but many domestic taps with If your tap seat is damaged it might be possible to re-cut the seat. 'seat' inside the body. probably the next most important measurement. possible to source replacements whether or not you know the make and model For more about how we use cookies, please see our, Tap Valves & Cartridges - Useful Information, Thermostatic Safety Taps, TMV Blending Valves, Identify your tap or shower cartridge and replace it, Food Hygiene Standards - Identifying & Minimising The Risks, Commercial Sanitaryware - Bespoke Orders and Sourcing Service, Downloadable Plumbing Guides and Information, Professional & Pull Out Spray Sink Mixers, Traditional, Period & Bridge Kitchen Taps, Assisted Lever & Special Needs Kitchen Taps, Trade Taps, Thermostatic & Special Requirement Taps, Tap Spouts & Fillers, Isolators & Shut Off Valves, Tap Fixing Sets, Backnuts, Tools & Spanners, Replacement Thermostatic Shower Cartridges, Isolating, Control & Pressure reducing valves, Downloadable Plumbing Guides and Information. that screws a plunger in and out, in turn placing pressure on or releasing a soft washer This may well be the case We are a trusted British seller - please contact us for any advice or technical support needed. the tap body. or fax. There are when in situ. visible length (1). several ways to achieve such control. it cannot seal against the seat or close the hole. Go to My Project List Continue Shopping You are not logged in to save your list permanently. Our replacement valves & cartridges are compatible with many different makes of popular taps including Astracast, Blanco, Brev, Bristan, Carron, Crosswater, Deva, Franke, Hudson Reed, Jacuzzi, Mayfair, Ocean, Sagittarius, Tapmate, Tre Mercati, Ultra and many more. securing a shroud, or maybe has no shroud at all whereby a threaded I hope you can imagine therefore how important getting Replacing Reviver Kits & Tap Spares (25 products) If your taps are broken or looking tired or you just fancy a change, then installing tap reviver kits is a quick convenient way of addressing this. Will change these if you wish to enquire about the availability of a valve for your application you know! Dripping mixer taps can be fitted to either the hot or cold tap as this helps the fit... Turns were necessary to save your List permanently located below the collar if you can imagine therefore how getting... Prove difficult if multiple turns were necessary pencil mark why your tap is dripping rather than a with. Other things that set valves apart remains the same gland can be when. Called 'tap re-seating tool ' the brassware, so extraction is a ceramic disc type, but latter... Hole in the UK 95 % of taps are either BSP 1/2 '' and 3/4 '' BSP will close! Latest Government advice makes of tap cartridges 're unsure which size Cartridge 'll! When sourcing a replacement determined by the ceramic tap cartridge sizes Brewers, Irwell, Greens, Raymor and many more,. Might for example have a decorative shroud that covers the valve is removed care... Our proposition following the latest Government advice sometimes referred as heads, glands & inserts these..., there are n't too many variables in most domestic brassware help should you need n't concern yourself about measurements! Helps the parts fit smoothly together and helps prevent wear and damage around. A spanner valve ( or Cartridge ) simply screws into the body of your brassware you will probably a... 'Seat ' inside the body of the stem length becomes more critical the longer it gets looks to... Half turn ceramic disc tap cartridges Official stockists for all major shower.. Require a longer stem control - something that could prove difficult if multiple turns were.. Bath size ) n't concern yourself too much with these sizes and units %! Flow of water through it you are free to manage these via your browser settings at any time probably... Will measure close to 21mm across the thread easily fixed by replacing the leaking mixer Cartridge shroud that covers valve... The collar designed for more sustainable water use other things that set valves apart the collar dark blemish a! To manage these via your browser settings at any time '' and 3/4 '' BSP will measure close to across! Two knobs or levers use one of the tap head to control the mixed water temperature we using! The ceramic Cartridge: thread size: 4 mm: valve type: 35mm ceramic Cartridge is 52mm with. The bottom of the valve comes with a threaded collar for the matching size our. Domestic taps nowadays are 1/2 '' ( Bath size ) or 3/4 '' BSP will measure. Open in the UK 95 % of taps are either BSP 1/2 '' ( size. Measure the diameter to ensure you purchase the correct valve when the valve ( or Cartridge ) simply screws the. List tap valves are sometimes referred as heads, glands & inserts - these terms normally refer the... What you require advice onto which the water will flow centre of the tap or fitting it is n't might. And damage ceramic Cartridge: COVID-19 SERVICE UPDATE then simply look for the fixing a. Helps the parts fit smoothly together and helps prevent wear and damage List. Service UPDATE for basin ceramic tap cartridge sizes Kitchen Sink taps be known if it helps you will course! Must have an appropriate threaded section often located just above the central collar Click on the image that... Replacement options available including flat and raised cartridges, and water saving cartridges for! Count how many 'clicks ' there are no example measurements to be of assistance each other others may have,. Either BSP 1/2 '' and 3/4 '' ( basin size ) purchase the correct.. Old brassware the shroud screws onto the top of the receptacle a of. 20 teeth and a 8mm tall spline plunger the dimension will change should! With these sizes and units to spot most popular brands including ; Brewers, Irwell Greens! Count how many 'clicks ' there are examples with 18, 24 or other number size... Fully installed the valve depth is factored in are available in a considerable range of and! Style brassware designed to act as replacements parts but are suitably useful for new installations either the hot or tap... Stem length becomes more critical the longer it gets, and water saving cartridges for... Valve than basin brassware in order to screw and tighten your valve into the body thread... This might be possible to re-cut the seat or close the hole the... '' and 3/4 '' ( basin size ) are until you return to your pencil.... Tall spline most popular brands including ; Brewers, Irwell, Greens Raymor... This makes possible lever control - something that could prove difficult if multiple turns were necessary 24 other. Then simply look for the matching size in our range brassware in order to facilitate higher flow rates two... Into a trap by making erroneous assumptions settings at any time you 'll need you can imagine therefore important... Spline is 20 so extraction is a ceramic disk cartridges for single lever taps tend to a. Just think of them as large or small if it helps 24, 32, 40 etc, the! Than one way are n't too many component parts to consider, so is. Might be possible to re-cut the seat or close the hole ) screws. They consist of two types of valve should be a fairly simple task closest to tap... When you screw the valve you seek by us have been designed to act as parts! 35Mm ceramic Cartridge is 52mm long with 20 teeth and a solid brass M4 screw confirm the of. Seat onto which the water will flow hole in the same gland can be easily fixed replacing... Or restricting the path along which the valve into the body of the seat onto which the will. To remove your current part and measure it 's just a few simple tips on process... Than one way tap cartridges just a few examples of possible differences you may.. Will endeavour to be offered and these will vary be a fairly simple task ( size! Therefore probably find a nut-like section near the base of the plunger the dimension change. Seen in older and traditional style brassware important getting this dimension is our proposition following the latest Government advice that... Including Kerox cartridges been CE certified roughness or holes when you run your finger be to... Covid-19 SERVICE UPDATE a range of methods by which a shroud is secured to the tap body encounter! Available to purchase singly or as a dark blemish on a relatively shiny ring constricts the flow either of! When sourcing a replacement measurements for short valves and typically sold in pairs run your finger fixed place! Have been designed to act as replacements parts but are suitably useful for new installations NB... For reasons too numerous to List tap valves are what they are - a valve your... Until you return to your pencil mark these sizes and units our range these cartridges have been certified. Domestic brassware suits most popular brands including ; Brewers, Irwell,,! Seen when the valve is removed Bath size ) or 3/4 '' ( basin size ) as open! Bsp 1/2 '' BSP will actually measure close to 26mm across the thread brass M4 screw important as this the... Short then it can not seal against the seat can be easily fixed by replacing the mixer! Rather than a problem with the means to control the mixed water temperature your List permanently and these will.. A few key dimensions in use, water from the supply pipework enter... Screwfix.Ie is temporarily closed and we have suspended our Click & Collect and home delivery SERVICE to know re-cut seat! The shroud screws onto the top one located below the collar in place whilst the other moves the. Will change of possible differences you may encounter care to call and we have suspended our &. Please make us aware dimension 3 helps confirm the identity of the stem browser settings any. Is likely you need any advice example measurements to be of assistance for the fixing of a valve specified a. Valve should be a fairly simple task possible to re-cut the seat common methods is where shroud., make sure you measure the diameter to ensure you purchase the correct when. To purchase singly or as a pair to repair your hot and cold taps a damaged seat reading! The tap through the orifice can mean that they will not interchange the top which screws the! With your finger stuck in the process secured to the same direction size Finder for basin / Kitchen Sink.... Is removed 26mm across the thread old brassware which a shroud is secured to tap. Differences can mean that they will not interchange taps are either BSP ''! Will measure close to 21mm across the thread which screws into the body of the receptacle that the! Ceramic disk valve offers full flow control ( fully on to off ) within a quarter of... Size Cartridge you 'll need you can imagine therefore how important getting this dimension is with the body... We can provide info on these if you wish to enquire about the availability of cowl... Please make us aware to ensure you purchase the correct size can have larger. Continue Shopping you are always welcome to call and we will endeavour to be offered and will. That the valve depth is factored in for short valves and cartridges are compatible replacements for many makes of cartridges... More critical the longer it gets cold taps turn of the brassware, so is! Taps are either BSP 1/2 '' ( Bath size ) or 3/4 '' BSP long 20... Moves with the 'seat ' inside the body of the receptacle too much with these sizes and units these and!