the valve opens as the temperature rises

With a 30-inch capillary tube and a wide range charge

OEM Compatibility: Specifically designed for Rheem-Ruud furnace temperature limit requirements to ensure board-mount alignment

This 6009 model is for the larger 1" and 1-1/2" castings

The Armstrong Furnace R43127-001 Flame Sensor is a critical OEM replacement part designed for precision flame rectification in residential heating systems

Lochinvar & A.O. Smith 100274781 Valve 320074-702 the valve opens as theThe Lochinvar and A. O. Smith 100274781 Pressure Relief Valve is a critical safety component designed for high efficiency commercial boilers and water heaters. Engineered to handle a set pressure of 125 PSI, this ASME Section IV certified valve prevents catastrophic system failure by relieving excess pressure during thermal expansion or control malfunctions. This specific model features a 3 4 inch NPT inlet and outlet, providing a high BTU discharge