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Using this genuine ambient air sensor ensures the control logic maintains the correct resistance-to-temperature curve for optimal refrigerant flow and energy performance
Wide Series Compatibility: Fits a broad range of Sterling HVAC unit heaters
Safety Compliance: Ideal for monitoring combustion by-products
installing this genuine Goodman replacement part maintains the calibration benchmarks set by the manufacturer
Lennox 33J88 Pressure Switch 30067439-890 Using this genuine ambient airThe Lennox 33J88 Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency gas furnaces. Rated for a set point of 4. 50" WC, this SPST (Single Pole Single Throw) switch provides reliable circuit closure to the control board once the inducer motor establishes the required negative pressure. This part is a direct factory replacement for Lennox model 33J8801, ensuring a drop in fit with existing mounting
