Lennox 14T66 Pressure Switch 326058-758 How do I read the

How do I read the fault codes

Verification of the valve body size and actuator stroke is recommended to ensure full mechanical engagement

Compact Footprint: Standard hermetic reciprocating dimensions allow for easy installation in tight condensing unit housings

Built with an all-polymer capacitive humidity element

the 17W04 utilizes a specialized sound-absorbing core that dissipates acoustic energy as heat

Lennox 14T66 Pressure Switch 326058-758 How do I read theThe Lennox 14T66 Pressure Switch is a critical dual stage safety component engineered for 90% efficiency modulating gas furnaces. As a veteran technician knows, maintaining the correct pressure differential is non negotiable for safe combustion. This OEM Lennox replacement part is factory calibrated to operate within a specific water column range of 1. 00" to 0. 25" WC, ensuring the inducer motor pulls the required vacuum before the ignition sequence