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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
provided the valve body is also rated for high-temperature service
or visible cracks in the ceramic insulators
offering a rugged snap-switch mechanism that handles industrial vibrations and thermal cycling
This valve utilizes a 3/8" inlet and a 1/2" outlet with ODF sweat connections for a standard 3-ton HVAC expansion valve setup
classified as an L210-40F limit switch
McDonnell & Miller 354089 Switch Assembly 320788-702 provided the valve body isThe McDonnell & Miller 354089 Switch Assembly, also designated as the Model SWA 150S M, is a critical replacement component engineered specifically for Series 150S and 157S low water cut offs and pump controllers. For technicians servicing steam boilers, this snap action switch assembly is the standard for maintaining precise liquid level control and ensuring high limit safety. Featuring a manual reset mechanism, this assembly requires professional
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