Frequent cycling or short-cycling typically indicates a failing check valve allowing water to flow back into the tank

it is compatible with any HVAC system requiring a 20 FLA rated SPST switch with these specific temperature thresholds

this component is engineered to automatically open its contacts when the discharge air or heat exchanger temperature reaches 140°F

ensuring standard-compliant performance in demanding cycles

Upgrade your climate regulation systems with the Johnson Controls A19BAC-3 Utility Thermostat

Velocity Boiler Works (Crown) 433022 Control 321894-709 Frequent cycling or short-cycling typicallyThe Velocity Boiler Works 433022 Phantom Boiler Programmed Control is a critical OEM boiler replacement part engineered specifically for the Crown Phantom hydronic heating platform. This direct spark ignition control manages the complex modulation and sequencing required for high efficiency condensing boilers, ensuring precise burner operation logic and stable combustion. As a genuine boiler control module, it integrates seamlessly with existing