Tapmedic End Seals

The image shows the seat depth in a tap and the top face of the tap against which the cartridge shoulder sits.

Your cartridge must be 0.5mm (1.omm absolute MAX) longer than this to allow it to seal correctly.

Adjusting a cartridge’s seat depth is simple. Choose an appropriate combination of end seals and/or body extension. The objective is to match the faulty cartridge’s seat depth or exceed the faulty cartridge’s seat depth by the minimum possible. It must never exceed 1mm.

The seat depth of the new cartridge can never be less than the one removed – otherwise it will leak. Not always immediately, but almost certainly when system pressures rise – probably overnight when pressures rise

When replacing a traditional multi-turn valve with a TapMedic cartridge, e.g. for someone with Arthritis, you will need to measure the original seat depth.

The driver has a small silicone ring on it. Use this ring (slide it) to mark the seat depth you need to match. See the video for a clearer explanation.

TapMedic cartridges are designed to cope with being no more than 1mm taller.