and Thermal Zone units

While the L270-20F rating is common

While the threads may match

While the probe is durable

The compressor is pre-charged with 25 ounces of Polyol Ester (POE) oil to ensure proper lubrication within high-pressure HFC refrigerant cycles

Armstrong Furnace R101432-15 Pressure Switch and Thermal Zone unitsThe Armstrong Furnace R101432 15 Pressure Switch is a critical safety component calibrated to a . 85" WC fixed set point. Designed for induced draft furnaces, this SPST (Single Pole Single Throw) switch monitors the pressure differential within the combustion chamber to ensure the inducer motor is moving sufficient air for safe ignition. Featuring dual 1 4" barb connections, this pressure switch provides a secure fit for standard pneumatic tubing,