Tankless water heater valves TANKLESS WATER HEATER VALVES WITH EXPANSION TANK See this product. Tankless water heater valve kit. Tankless water heater valves ... 2025 Calefactio. Industrial and commercial plumbing ...

Calefactio’s thermostatic valves are offered in four connection types. They are meant to provide a constant water temperature despite variations in the cold or hot water supply. Installing a thermostatic valves allows to set the hot water device at a higher temperature, reducing the risks of legionella bacteria development and growth.

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...

Calefactio offers a complete line of flow regulators and control valves for a wide variety of applications. Calefactio flow regulators help to keep a consistent rate of flow even under the most challenging applications. Common applications include pumping systems, general household use, water saving, commercial, industrial processes and ...

Calefactio specializes in hydronic heating including expansion tanks, air, dirt and hydraulic separators, glycol make-up packages, condensate neutralizers, and pump flange valves. Since its founding, Calefactio has developed and distributed its products throughout North America.

Calefactio’s by-pass valve ensures system protection as it manages the fluid redirection when heat request variations cause pressure rises. It is adjustable depending on the required pressure differential and eliminates velocity noise caused by zoned systems with “on-off” pumps.

This service valve links the expansion tank to the system or to the Service Center (#HGSC-MULTI) and allows you to isolate the expansion tank from the system pressure. While the tank is shut off from the system pressure, you can inspect it (verify pressure) or remove it for replacement without having to drain the system.

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...

Calefactio's new full port brass ball valves with high flow drain allow you to isolate and drain any part of a piped system. They simplify maintenance and service operations,