While some furnace modules take a 208/240V input

Key Benefits ASME Section IV Certified: Verified capacity for use in safety-critical heating boiler applications

Compact Integration: The miniature footprint and included 0-160 PSI gauge enable easy installation in control panels or directly on service manifolds

a yellow or "lifting" flame

Ranco O11-1711 Control Els PW 17895 While some furnace modules takeThe 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