This OEM part is essential for balancing branch lines or limiting air consumption in controllers and actuators

the Danfoss KPU 6W is specifically calibrated for high-pressure safety limits

typically rated around 10

The Lennox 32M65 Flue Collar is a critical OEM replacement part designed for high-efficiency combustion assembly in residential and commercial Lennox gas furnaces and boilers

Designed to withstand the rigorous demands of combustion system maintenance

Lennox 33J88 Pressure Switch 30067439-890 This OEM part is essentialThe 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