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Easy Commissioning: Minimal tools required for installation and calibration
Key Benefits Direct Mount Integration: Designed for seamless direct mounting to control units
7mA minimum flame sense current for high accuracy
Optimize your HVACR and industrial fluid control systems with the ASCO 323-478 Rebuild Kit
Optimal Airflow: The 29-degree blade pitch is optimized for maximum heat dissipation across the coils
McDonnell & Miller 61-HD Low Water Cut Off Els PW 17895 Easy Commissioning: Minimal tools requiredThe McDonnell & Miller 61 HD (Part Number 140300) is a heavy duty mechanical low water cut off designed specifically for low pressure steam boiler applications. This head mechanism serves as a direct replacement component for Series 61 controllers, facilitating reliable burner circuit interruption when water levels drop below the safe line. Rated for a maximum steam pressure of 20 PSI, the 61 HD utilizes a high buoyancy float operated mechanism to