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As a genuine HVAC high limit sensor
If your current bracket uses a standard 11/32-32 thread
The internal O-ring stuffing box is serviceable while the system is under pressure
Key Benefits: Ensures reliable ignition for gas-fired heating systems by eliminating the instability of old pilot light designs
Lochinvar & A.O. Smith 100093633 Switch 321894-709 As a genuine HVAC highThe 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
