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the WIR2359 harness assembly features industrial-grade insulation to resist thermal degradation and chafing
Can I use this for both suction and discharge lines
supporting accurate flame sensing and reducing false-positive ignition failures
As a verified OEM replacement part
as this switch is engineered to precise manufacturer tolerances for blocked inlet detection
Lennox 15W56 Pressure Switch L99H008 the WIR2359 harness assembly featuresEnsure the safe and efficient performance of your heating system with the Lennox 15W56 Pressure Switch. This genuine OEM replacement part, also identified as 65289300, is a critical safety component designed to monitor airflow and venting pressures within the combustion chamber. Engineered specifically for Lennox furnaces and unit heaters, this SPST pressure switch features a precise 0. 43" WC setpoint and a standard 1 4" barb connection for seamless