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Smith replacement part for guaranteed fit and proper alignment with heating elements
1 standards for professional-grade installations
also identified by part number OP-175
With a maximum ceiling of +572°F
Lochinvar & A.O. Smith 100093633 Switch 328140-751 Smith replacement part for guaranteedThe Lochinvar & A. O. Smith 100093633 Pressure Switch is a critical OEM safety component engineered for high efficiency water heating systems, including Polaris water heaters. This 0. 85" WC pressure switch operates as a normally open contact that closes when the inducer fan generates sufficient static pressure, ensuring the combustion cycle only proceeds under safe venting conditions. As a direct Polaris IS22085 replacement, this kit provides a