This Honeywell gas valve provides precise fuel regulation and ensures stable manifold pressure for consistent combustion performance

If the blower motor fails to engage despite the burners being lit

the sensor may be dirty or defective

Industry Compliance: UL Recognized and CSA Certified to meet strict safety protocols for HVACR equipment

Does this sheave require a separate bushing

Lochinvar & A.O. Smith 100208393 Pressure Switch 319847-401 This Honeywell gas valve providesWhen 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