Lennox 26W46 Pressure Switch 340155-7026 cross-reference your unit's model number

cross-reference your unit's model number with the manufacturer's parts list

this part offers a direct-fit solution that maintains the mechanical integrity of the exhaust ventilation system without the need for field modifications

and static pressure

How do I diagnose a failure on this control module

Verify your line voltage before installation

Lennox 26W46 Pressure Switch 340155-7026 cross-reference your unit's model numberThe Lennox 26W46 Pressure Switch is a critical safety component designed for two stage gas furnaces, engineered to monitor the venting pressure and ensure the inducer motor is operating within specified parameters. This specific differential pressure switch features a dual setpoint configuration of 0. 65" WC and 1. 15" WC, facilitating the precise monitoring required for both low fire and high fire heating cycles. Built to meet OEM Lennox