Pressure and Temperature Relief Valves ensure the temperature of the water in a pressurised unvented water heater. Does not exceed 99°C. Complies with AS1357.1.
Thermostatic Mixing Valves regulate the outlet temperature, regardless of changes in supply conditions, ensuring constant water temperature. Complies with AS 4032.2.
Expansion Control Valves limit the max pressure in a pressurised, unvented water heater system by relieving excess pressure. Complies with AS 1357.1.
Pressure Limiting Valves control inlet supply line pressure to a preset maximum in order to prevent an over-pressure situation. Complies with AS 1357.2.