Watts 0274515 Valve Freon this is the hardwired version

this is the hardwired version (without Molex)

leak-free interface for heavy-duty commercial and residential split systems or packaged units

Using a genuine Rheem-Ruud 42-21571-08 ensures the coil resistance is matched perfectly to the transformer output

Common Questions: How do I calibrate the set point for specific duct pressures

Watts 0274515 Valve Freon this is the hardwired versionThe Watts 0274515 (also known as the 174A 3 4 55) is a high capacity boiler pressure relief valve built for heavy duty protection in hot water heating and domestic supply systems. Engineered with a rugged bronze body, this 3 4 inch NPT valve is designed specifically to prevent catastrophic pressure buildup on supply boiler equipment. It features a 55 PSI pressure setting and an impressive ASME relief capacity of 1,025,000 BTU hr, making it a standard