High Quality Cast DR Brass body.
Safety Prevents damage to hot water systems by relieving excess pressure and temperature.
The NEFA Expansion Control Valve (ECV) protects the water heater and PTR from pressure greater than the safe working pressure by discharging cold water to waste through the drain line.
Factory set at 700kPa.
5 Year replacement warranty from date of manufacture. View warranty terms and conditions here.
High Quality Cast DR Brass body.
Safety Prevents damage to hot water systems by relieving excess pressure and temperature.