Lennox 97J69 Pressure Switch 320074-702 facilitating reliable HVAC pressure switch

facilitating reliable HVAC pressure switch troubleshooting and ensuring consistent performance in R-410A applications

or a system overcharge

transferring rotational force while absorbing minor misalignments to protect internal components

How do I adjust the height for my specific burner

Material Resistance: Constructed from high-grade polymers designed to withstand the acidic nature of high-efficiency furnace exhaust

Lennox 97J69 Pressure Switch 320074-702 facilitating reliable HVAC pressure switchThe Lennox 97J69 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor induction blower performance and flue venting integrated within the combustion circuit. This SPST (Single Pole Single Throw) vacuum switch is factory calibrated to a . 85" WC (Water Column) set point, ensuring the system only initiates the ignition sequence when proper static pressure is established. Featuring a standard 1 4" barb