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The package includes the AV-390 cam and plunger assembly along with the AV-92 linkage base
Built as a factory authorized part
you should verify your specific wiring diagram to see if fan timing is managed by this board or a separate blower control module
this OEM valve handles a 300 PSI maximum inlet pressure and provides a precise 10-35 PSI outlet adjustment range
Designed for 240V HVAC furnace repair
Lochinvar & A.O. Smith 100166238 Switch 321894-706 The package includes the AV-390The Lochinvar & A. O. Smith 100166238 Gas Pressure Switch is a critical safety component designed for high performance gas fired boilers and commercial water heaters. Featuring a 1 20" WC adjustable range, this manual reset gas pressure switch ensures system integrity by monitoring incoming or manifold gas pressure. If pressures deviate from the calibrated setpoint, the switch initiates a safety lockout, preventing hazardous combustion conditions.
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