it is essential to note the integrated flow direction arrows to ensure proper orientation during installation

it should be verified against a known reference (like an ice bath) to ensure the NSF certified performance remains within 1

Reduced Maintenance: Replaces worn sequencers to eliminate delayed heating or blower failure issues

this component mitigates vibration-induced stress on the fan motor bearings

Versatile Application: Ideal for control damper accessories

Lennox 88K90 Pressure Switch Els PW 17895 it is essential to noteThe Lennox 88K90 Pressure Switch is a high precision, OEM furnace safety component factory calibrated for induction monitoring in residential and light commercial heating systems. This 0. 47" WC pressure switch utilizes a single pole single throw (SPST), normally open contact configuration, ensuring the combustion process only initiates when proper draft is established. Designed for universal compatibility with older systems, the 88K90 replaces part