This heavy-duty boiler safety valve is essential for contractors maintaining compliance with jurisdictional pressure vessel codes while ensuring reliable overpressure protection in high-rise or industrial heating applications
While the tank wall is often used
Reliable Seating: Utilizes advanced synthetic materials to ensure a tight shut-off when de-energized
This tool is designed for use with a wide range of Carrier
durable housing is engineered to withstand the demanding conditions of industrial mechanical rooms and warehouse heating environments
Lennox 23X17 Control Board 320720-756 This heavy-duty boiler safety valveThe Lennox 23X17 Control Board, also identified as the Lennox 620244 02, is an essential demand defrost control designed for high performance heat pump systems. Built to replace previous iterations such as the LEN620244 02, this board integrates multiple critical functions into a single 24V module, including demand defrost logic, a defrost relay, and an anti short cycle timed off control. It features a sophisticated pressure switch system lockout