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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
7mA minimum flame sense current for high accuracy
5 Cv rating supports high-volume fluid and gas transfer for maximum system efficiency
Optimize your HVACR and industrial fluid control systems with the ASCO 323-478 Rebuild Kit
always maintain a minimum bend radius of 3 inches (76 mm)
provided you use the correct support rods for stability
McDonnell & Miller 61-HD Low Water Cut Off Els PW 17895 7mA minimum flame sense currentThe 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
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