this defrost control board is designed for use in both R-22 and R-410A Lennox and Armstrong heat pumps

Integrated Debris Protection: Includes a conical filter to protect the metering port from system contaminants

the 35-705500-105 supports localized or remote flame sensing

The Resideo T834N1002 is a mercury-free

This specific model is typically an automatic reset limit switch

York S1-5992114 Pressure Switch 322055-301 this defrost control board isThe York S1 5992114 Pressure Switch is a critical OEM replacement part designed for precision monitoring in HVAC and refrigeration systems. This high pressure safety control operates with a specific factory calibrated set point, featuring a 50 PSIG open and 71 PSIG close range. Built to Johnson Controls York standards, it utilizes a 1 4 inch flare connection for a secure, leak free seat and quick connect terminals to streamline field installation. As