verify the sensing bulb is properly seated in its mounting bracket and free of debris

A rollout switch typically trips due to improper venting

Efficient Coil Operation: Features a "must operate" voltage of 20

Is the R40154B025 the same as the 40154B025

For contractors replacing legacy components

Daikin-McQuay 4022852 Circuit Board 318518-761 verify the sensing bulb isThe Daikin McQuay 4022852 Circuit Board is an OEM engineered control module designed for precise command over complex HVACR sequences of operation. As a core component in localized HVAC systems, this printed circuit board assembly manages critical signal conditioning from thermistors and pressure sensors to regulate temperature output and operational efficiency. Designed for compatibility with specific residential and industrial unitsincluding certain