Lochinvar & A.O. Smith 100208393 Pressure Switch 326058-758 and Nordyne gas furnaces and

and Nordyne gas furnaces and electric air handlers

For peak HVAC performance

it is designed to manage refrigerant fluctuations and maintain a consistent liquid seal for the expansion valve under varying load conditions

it requires a minimum pressure differential of 5 PSI to open and function correctly

the sensor must be replaced immediately to prevent electrical shorts to the burner ground

Lochinvar & A.O. Smith 100208393 Pressure Switch 326058-758 and Nordyne gas furnaces andWhen 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