2026 Kickoff Sale EXTENDED! 25% OFF

Start the year strong and don’t miss your last chance to save 25% storewide! Due to popular demand, our 2026 Kickoff Sale has been extended—giving you more time to grab the products you need at unbeatable prices.

Whether you’re upgrading your system, preparing for the season ahead, or restocking essential supplies, now is the perfect time to save big.

Hurry—this extended offer ends Thursday, January 15!

VTC thermic valve is a thermostatic by-pass valve that regulates the temperature of either the supply out or the return of water in a hydronic heating system. In a conventional application, the VTC valve safeguards non-condensing boilers against corrosion from condensation that would result if a minimum flue gas temperature is not maintained. With the VTC the boiler is able to recover and keep up with the drop in water temperature. The VTC valve can also be used on a solid fuel boiler or a solar application where a minimum or maximum water temperature is trying to be maintained