Sterling HVAC 11J11R06780-001 Pressure Switch 30067439-890 and fatigued plunger springs

and fatigued plunger springs

ensuring a clean and reliable ignition source for long-term service cycles

Common Questions Does this valve body include the internal cartridge or powerhead

Direct Interchange: Simplifies inventory by serving as the verified replacement for the discontinued 059888 model

and charging procedures

Sterling HVAC 11J11R06780-001 Pressure Switch 30067439-890 and fatigued plunger springsThe Sterling HVAC 11J11R06780 001 Pressure Switch is a critical safety component factory calibrated for high altitude HVAC installations exceeding 5,000 feet. At these elevations, lower air density prevents standard inducer blowers from generating the negative pressure required to trip sea level switches, leading to consistent nuisance lockouts. This OEM Sterling replacement part (also identified as Cleveland Controls NS2 1014 00) features a specific