Lennox 49L90 Pressure Switch 8 kW) for R404A/R507 at

8 kW) for R404A/R507 at standard conditions within a TE 5 valve body

a fouled or degraded sensor is often the culprit

For optimal performance and to prevent debris accumulation

Always check your supply voltage before wiring to avoid burning out the primary coil

Lennox 49L90 Pressure Switch 8 kW) for R404A/R507 atEnsure reliable combustion safety and system performance with the Lennox 49L90 Pressure Switch. This genuine OEM component, which is a direct replacement for Lennox 49L9001 and Honeywell IS20100 3072, is engineered specifically for Lennox furnace pressure switch applications requiring a precise . 47" WC (water column) trip point. Featuring a 1 4" barb connection for secure pneumatic hosing and a single pole single throw (SPST) configuration, this