The Daikin-McQuay 074513201 Crankcase Heater is a critical OEM replacement part designed for industrial and commercial HVAC systems

Can I use this for propane applications

It provides direct compatibility for Series 51-2

the pressure switch may not be closing

hermetic reciprocating unit engineered for demanding commercial refrigeration applications

Hydrotherm 58-1858 Inducer Assembly Els PW 17895 The Daikin-McQuay 074513201 Crankcase HeaterAs a veteran tech, you know that a failing inducer is the most common reason for a furnace pressure switch lockout. The Hydrotherm 58 1858 Inducer Assembly is the definitive OEM replacement for obsolete BM 8002 and BM 8033 units. This 115V 2 speed inducer motor is a proprietary Fasco manufactured assembly (cross referenced as Fasco 7070 003) specifically engineered for Hydrotherm hydronic heating systems. Operating at 60 Hz on a single phase circuit,