They also come with a 10 Year Guarantee. Product Specification - Material: Solid Brass - Finish: Chrome - Minimum wall depth of 87mm required - Minimum Pressure: 0.2 Bar - Maximum Pressure: 6 - Inlet Connection Size: 1/2" - Outlet Connection Size: 1/2" - Additional Feature: Solid brass single cast body, non return valve - Guarantee: 10 years 2 Dial 1 Way Thermostatic Mixer Valve Feature - Top Dial - Controls water to 1 outlet diverters - Bottom dial - temperature control - High Quality Design - Chrome Finish - Thermostatically controlled - Manufactured from highly durable brass - Operating range 20 - 50 deg C with 38 deg C safety button - Built in non return valves to prevent back flow and filters ...