PAT:ZL00201132.8 Thermostatic Cartridge Replacement (Red & Blue Filter Gauzing)

Summary

PAT:ZL00201132.8 Thermostatic Cartridge Replacement (Red & Blue Filter Gauzing) - PATZL00201132.8

Cartridge Measurements:

The latest version of the cartridge no longer has the red and blue gauzing, however this is purely an aesthetic change. The first photo is for illustrative purposes only to show the original version of the cartridge with red and blue filters. The new cartridge is exactly the same (photo 3) but without the blue and red.

PAT:ZL00201132.8, part number THDV718, is a thermostatic cartridge which is suitable with exposed shower mixers of similar measurement.

This does not include the handle. If you need the handle and the stop ring that goes with the cartridge, please refer to ZL00201132.8.

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Parts of a PAT:ZL00201132.8 Thermostatic Cartridge

A thermoelement rests securely in the core of the PAT:ZL00201132.8 thermostatic cartridge. Copper and wax are enclosed in the element and is responsible for regulating shower water temperature. It expands and contracts as hot and cold water enter the cartridge gauzing. The pin moves up and down as the wax melts and solidifies.

Cartridges can be made out of brass, ceramic, ABS, polymer or a combination of these materials. It can come with built with threads (screw-in) or a grub screw (push-fit) or an external collar (push-fit). thermostatic cartridge PAT:ZL00201132.8 is a brass, push-fit shower cartridge.

Splines enable the rotary motion of turning the tap handle. The cartridge part also serves as an anti-rotational component preventing the handle from turning on its own. The teeth on the spline should match with the grooves in the handle cavity for the cartridge to fit in the valve.

The number of teeth on a cartridge spline can range from 18 to 32, most cartridges have a count of 20.

O-rings – aka toric joints or packing – are the the seals that stop water from leaking out of the cartridge or shower valve. The seals are considered to be reliable and can withstand intense pressure. Silicone grease must be applied on all the outer O-rings of the cartridge as a layer of protection against pinching and abrasion.

In summary:

Shower thermostatic cartridge PAT:ZL00201132.8 is made of brass and comes with a Vernet wax thermostatic element. It is a non-threaded cartridge that uses a grub screw to secure it in place. It has a total of 32 spline notches and four outer O-rings.

PAT:ZL00201132.8 Thermostatic Cartridge (THDV718) will be shipped out on the same day when ordered before 3:00 PM, Monday to Friday.