Reliance - Single Control Pocket Thermostat 30°C-90°C STAT500040 Designed to be fitted to the hot water cylinder and in the event of a failure the thermostat will cut off due to the control thermostat reaching its set temperature, which is user adjustable. Single Control Thermostat Temperature control: 30°C-90°C Temperature tolerance: +/-5% Degree of protection: IP 40 Insulation class: 1 Maximum pocket pressure: 10 bar CE Marked Approval