New Tankless Water Heater Valve Kit ¾″ PRESS design

Return to news

New Tankless Water Heater Valve Kit ¾″ PRESS design

Nouvelles

1 April 2024 | Published by

Calefactio adds a ¾” PRESS connection Tankless Water Heater Valve Kit including a 150 PSI pressure relief valve to its line.

Compact and easy to install, 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 drains and handles are designed to simplify maintenance of the system.

They are made of brass and certified lead free to ensure lasting durability.

tankless water heater valve press

Kits are offered with ¾” and 1” NPT, Press and Sweat connections including a pressure relief valve.

What if we added an expansion tank?

Unique on the market, the all-in-one tankless water heater service valve kit with expansion tank includes two isolation valves, a pressure relief valve, but also a union tee and an expansion tank.

tankless water heater valve with expansion tank

It absorbs the increased volume of water which results from the heating process, thereby keeping the system’s pressure below the relief valve setting. It also acts as a water hammer or shock absorber to absorb a sudden change in fluid velocity after the sudden closing of a faucet. An exclusive Calefactio product that simplifies the installation and maintenance of tankless water heaters under 2 gallons.

You might also like

Plan Ahead: No Shipments During Annual Inventory – June 18–19

Published by - 23 May 2025

As part of our annual operations, please note that Calefactio will hold its physical inventory on Wednesday, June 18 and Thursday, June 19. During this period, no shipments will be processed. To ensure timely delivery of your orders, we kindly recommend placing them before noon on Tuesday, June 17. Additionally, our offices will be closed […]

Read more

Less Installation Time, Fewer Leaks: Discover the New Calefactio Service Valve with Union

Published by - 29 May 2026

Designed for vertical tanks, boilers, and plate heat exchangers, the new Calefactio service valve with union simplifies hydronic installations while reducing costs and the risk of leaks. Its compact design allows for faster installation and valuable space savings in mechanical rooms. View product documentation and specifications ­> The integrated union makes maintenance easier, while the […]

Read more

Mini-Entepôts St-Jean counts on Calefactio

Published by - 25 September 2019

Plomberie Claude Boulet recently completed a 14 000 sq ft radiant heating project for Mini-Entrepôts St-Jean. The design and material supply was made in collaboration with Pier-Rick Rodier Rochefort from Empire Canada. In order to cover the whole heating demand of this surface, 12 000 ft of Calpex –R 5/8 and 7000 ft of Calpex-R ½ tubing were required, […]

Read more

NEW !

Hydronic Radiant Floor Heating & Snow Melting