Watts 0121549 Valve R-410A it utilizes a 1/2-inch bore

it utilizes a 1/2-inch bore and is calibrated for clockwise (CW) rotation when viewing from the discharge side

The "U" suffix typically denotes universal packaging for retail or distribution

while non-volatile memory ensures your programmed intervals remain intact

ensuring excellent corrosion resistance and long-term durability in varied chemical environments

With a temperature rating up to 250°F

Watts 0121549 Valve R-410A it utilizes a 1/2-inch boreThe Watts 0121549, also identified by model LF174A 1 1 2 150, is a high capacity boiler pressure relief valve designed for heavy duty commercial and industrial hot water heating applications. This ASME rated relief valve features a lead free copper silicon alloy body and 1. 5 inch NPT threaded female connections, engineered to handle a steam discharge capacity of up to 7,630,000 BTU hr. As a veteran technician knows, the Watts LF174A series is