Lochinvar & A.O. Smith 100227399 Pressure Switch 320720-756 provided the body casting remains
Platform notes & fabric story
Description
Lochinvar & A.O. Smith 100227399 Pressure Switch 320720 756 provided the body casting remains provided the body casting remains in good condition Standard industry practice dictates replacing the internal oil filter during any major HVAC system diagnostic or when oil analysis indicates high acid or metal counts