Weil McLain 383-500-040 Assembly Refrigerant Precise Calibration: Factory-set for 260°F

Precise Calibration: Factory-set for 260°F Open and 220°F Close to protect against overheating without nuisance tripping

RA2000 Compatibility: Specifically engineered for seamless integration with Danfoss RA2000 valve bodies and sensors

moist air immediately after a defrost cycle

If the inducer is running and you hear the gas valve click but see no orange glow from the furnace igniter

Weil McLain 383-500-040 Assembly Refrigerant Precise Calibration: Factory-set for 260°FThe Weil McLain 383 500 040 Blower Assembly Kit is a critical OEM replacement engineered specifically for Ultra 230 Gas Boilers. Designed to restore precise combustion airflow, this Weil McLain inducer fan ensures your hydronic system maintains peak thermal efficiency and stable firing rates. As a high performance boiler blower replacement, it addresses common fault codes like E28 by providing consistent forced air to the heat exchanger. This complete