Ranco O11-1711 Control Els PW 17895 Always verify the KW rating

Always verify the KW rating on the original furnace data plate

Is the Lennox 63W57 a suitable replacement for the 56M22 pressure switch

the unit requires a deliberate physical reset once the pressure returns to safe operating levels

Contractors frequently specify the TE-6361V-2 sensor for air handling unit (AHU) discharge and return air monitoring due to its fast thermal response and durable stainless steel probe construction

The unit features 4-pole operation and is designed for reliability in demanding cycles where refrigeration motor maintenance is a priority

Ranco O11-1711 Control Els PW 17895 Always verify the KW ratingThe Ranco O11 1711 High Pressure Control is a heavy duty single pressure control designed for professional HVACR applications requiring reliable system protection. This SPST high pressure switch features an open on rise action, effectively cutting out the compressor circuit when discharge pressures reach dangerous levels, specifically within the 150 to 450 PSI range. Built with a laser welded bellows for extended service life, the O11 1711 includes an