Watts 0121517 Valve 322056-301 when used with a Series

when used with a Series 30 or 31 amplifier (such as the A1011)

The exposed actuator design allows for straightforward field inspections and maintenance

making it a go-to stock item for various service calls

The 5°F fixed differential offers tight regulation

Plug-and-Play Installation: Uses standard 2-prong or molex connectors found in original Broan-NuTone housings for fast electrical termination

Watts 0121517 Valve 322056-301 when used with a SeriesThe Watts 0121517, high capacity LF174A pressure relief valve, is a critical safety component designed for large scale hot water heating systems and domestic supply boilers. Engineered with lead free copper silicon alloy construction, this 1. 25 inch ASME Section IV rated valve provides reliable protection against over pressurization. With a factory set relief pressure of 80 PSI and a steam discharge capacity of 3,605,000 BTU hr, it is purpose built