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If your Reznor SCA-6 heater ignites but shuts down after a few seconds
making it a solid choice for both residential and light commercial systems
this coil prevents valve sticking and maintains precise system pressure regulation
Rated for both 120/240 VAC applications
Why is it necessary to use an OEM bonnet gasket instead of a generic alternative
Lennox 33J88 Pressure Switch 30067439-890 If your Reznor SCA-6 heaterThe 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
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US$ 29.99
