Caleffi 4 Bar 3/4″ 90°C Pressure and Temperature Relief Valve – long probe
Designed to relieve and control the temperature and pressure within an unvented hot water system, preventing the water in a tank from reaching 100°C. When the pre-set conditions are reached this valve will discharge the correct quantity of water to return the system to within it’s operating limits.
Pressure Setting: 4 Bar
Temperature Setting: 90°C