Thermostatic Valve Features - Top dial - controls water outlet diverter (Shower Head) - Middle dial - temperature control - Bottom dial - controls water outlet diverter (Shower Handset) - High-Quality Design - Chrome Finish - Thermostatically controlled - WRAS Approved - Manufactured from highly durable brass - Operating range 20 - 50 deg C with 38 deg C safety button - Built-in non-return valves to prevent backflow and filters to protect the thermostatic mechanism - Chosen temperature maintained to within +/-1C - Pre-set maximum temperature - Automatic shut off in event of water cold supply failure - Dimensions: View dimension image provided - UK standard size fitting Square Ultra Thin Shower Head 300x4mm ...