Lennox 26W46 Pressure Switch 321702-401 and pressure testing by a

and pressure testing by a certified HVACR contractor are required to ensure system integrity and prevent environmental contamination

Universal Flexibility: Compatible with multiple voltage ranges and specific HKR heater kits

Can I use this as a replacement for the older HKN-506

Always verify the terminal layout on the existing 024-31602-000 or 024-31636-000 before installation

calibrated for natural gas standard pressure regulators

Lennox 26W46 Pressure Switch 321702-401 and pressure testing by aThe 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