Pressure relief valve

Calefactio’s service valves kit is designed for tankless water heaters under 2 gallons. It combines two isolation valves including drains, a pressure relief valve, a union tee, and a port on the cold side for an...

Each Calefactio Tankless Water Heater Valve kits includes two isolation valves with drain and a 150 PSI pressure relief valve. Some kits are also offered with a 30 PSI pressure relief valve. The valves are compact and...

Drain Ball Valve (#DBV034N) 3/4” FNPT Connection Garden hose...

Calefactio’s drainage valve is offered in two sizes and included on many products such as Calbalance and...

In addition to being the only pump flange valve that includes a pressure gauge port that allows you to quickly monitoring your system, it now includes dielectric isolation sleeve in the rotating flange. The pressure...