Weil McLain 383-500-040 Assembly Refrigerant This genuine Protech 70-21859-05 fan

This genuine Protech 70-21859-05 fan blade provides the robust construction necessary to withstand harsh outdoor environments and maintain system equilibrium

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

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

this valve is a standard replacement for managing individual zone temperatures in residential and light commercial applications

Ammonia Use

Weil McLain 383-500-040 Assembly Refrigerant This genuine Protech 70-21859-05 fanThe 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