the sensor may be dirty or defective

the multi-voltage capability covers 120

This kit is the standard updated replacement for these specific Nordyne-sourced components

When you're out on a service call dealing with a fouled pilot or a failed thermocouple connection

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

Lochinvar & A.O. Smith 100208393 Pressure Switch 319847-401 the sensor may be dirtyWhen 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