Bard HVAC 5651-177BX Expansion Valve 326010-701 The 155F limit switch monitors

The 155F limit switch monitors the temperature of the oil pre-heater or specific air zones to ensure the system does not exceed safe operating limits

Does this enclosure include the temperature selector itself

The provided universal wiring harness is specifically designed for the RB-24E and RB-24S models to interface with standard 24V boiler control circuits and 1/4 inch terminal connections

Common Questions: Can the Hydrolevel 550 be used on steam boilers

Bard HVAC 5651-177BX Expansion Valve 326010-701 The 155F limit switch monitorsThe Bard HVAC 5651 177BX Expansion Valve is a critical metering device designed to maintain precise superheat across the evaporator coil, ensuring optimal system performance in demanding environmental conditions. This thermal expansion valve (TXV) features a 3 8" x 3 8" ODF connection and serves as the official direct replacement for the legacy 5651 177 model. Engineered for reliability in Bard wall mount heat pumps and air conditioning units, the