Lochinvar & A.O. Smith 100208393 Pressure Switch 321702-401 Does this valve require an

Does this valve require an external controller

this assembly ensures linear heat transfer and stable temperature regulation under varying load conditions

allowing you to control separate high-voltage or low-voltage circuits across both stages

Key Benefits for New Installations and Repairs

Does this motor include the fan wheel and gasket

Lochinvar & A.O. Smith 100208393 Pressure Switch 321702-401 Does this valve require anWhen you are troubleshooting a no heat call on a Lochinvar or A. O. Smith high efficiency unit, the Lochinvar & A. O. Smith 100208393 Pressure Switch is often the gatekeeper for the combustion sequence. This OEM air pressure switch is calibrated to a specific set point of 6. 20" WC, ensuring that the induced draft blower is moving enough air to support safe combustion before the gas valve is energized. As an HVAC air pressure switch replacement, this