this unit fits gauge glass connections perfectly

Can I use this for high-side refrigeration protection

This flammable vapor sensor serves as the first line of defense in residential and commercial gas water heaters

Common Questions How do I verify if the board is initiating a defrost cycle

Lochinvar & A.O. Smith 100171924 Valve THPU32HP7Y this unit fits gauge glassThe Lochinvar & A. O. Smith 100171924 Gas Valve Kit is a critical OEM replacement component designed to restore precise fuel regulation in high efficiency condensing boilers and commercial water heaters. This negative pressure gas valve acts as the primary safety and modulation interface, responding to the blowers venturi suction to ensure the exact stoichiometric ratio for clean combustion. Specifically engineered as the updated replacement for the