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Engineered with a snap-action contact mechanism
preventing low-ambient cooling issues and extending the service life of your fleet's compressor and motor components
How do I wire a RIBH1S for a 277V lighting circuit
always verify the rating on the existing motor nameplate before wiring
Lochinvar & A.O. Smith 100109933 Switch 321142-301 Engineered with a snap-action contactThe Lochinvar & A. O. Smith 100109933 Blocked Inlet Switch is a critical safety component designed for high efficiency water heaters and boilers. Engineered to monitor atmospheric pressure within the combustion air intake, this OEM replacement pressure switch ensures the burner operates within safe pneumatic parameters. This specific blocked inlet switch kit is calibrated to a set point of 0. 77" Water Column, effectively detecting restricted airflow
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