Plastic Temperature Safery Lock for Thermostatic Cartridge.

This item is suitable for use in valves using Type 12, Type 6, Type 8 and Vernet sensor cartridges and is placed over the head of the thermostatic cartridge, just under the dial valve and allows the dial to LOCK at 38 degrees where is can be overridden by pushing the button on the chrome temperature dial.

Colour may vary.