They also come with a 10 Year Guarantee. Thermostatic Valve - Top Dial - Controls water to 3 outlet diverters - Middle Dial - on and off control - 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 to protect the thermostatic mechanism - Chosen temperature maintained to within +/-1ºC - Pre-set maximum temperature - Automatic shut off in event of water cold supply failure - UK standard size fitting Slide Rail Shower Kits - Stainless steel 1.5m Double Interlock Hose - 3 mode ABS plastic handset - Brass Wall ...