Description
the yellow finish on this spring indicates a field-adjustable range of 15" to 30" WC
this thermal expansion valve is internally compensated and calibrated specifically for the pressure-temperature relationship of R410A
Use the cross-reference data to replace parts like Jun-Air
and Payne residential heating systems
It’s designed to safeguard the compressor by continuously monitoring suction pressure
Lennox 33J88 Pressure Switch 30067439-890 the yellow finish on thisThe 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
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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