Genuine OEM Carrier Part: Guaranteed compatibility with specific Carrier

The device uses standard N2 addressing

Broad Compatibility: Fully compatible with Fenwal fire alarm smoke and heat detectors using 2-wire or 4-wire bases

Lochinvar Knight boilers

It specifically fits model 8372

Lennox 26W45 Pressure Switch 326070-701 Genuine OEM Carrier Part: GuaranteedThe Lennox 26W45 Pressure Switch is a critical safety component designed for two stage gas furnaces, specifically engineered to monitor combustion air pressure within the inducer assembly. This dual stage pressure switch features precise set points of 0. 90" WC and 1. 50" WC, ensuring the system only proceeds with the ignition sequence when sufficient airflow is present for safe combustion. Built for high reliability in Lennox and Armstrong Air