Armstrong Fluid Technology AS1270-380 O-Ring 328140-751 making it a standard replacement

making it a standard replacement for residential and light commercial condensing units

the main burner refusing to cycle on despite a functional pilot

this heavy-duty component is the exact replacement blower shaft needed for Trane package units where the original has suffered from surface scoring or structural fatigue

Integrated Accessory Controls: Features factory-labeled terminals for easy connection of 24V humidifiers and 120V electronic air cleaners

High Flow Capacity: Large diameter 5-inch bore handles high-volume flow with minimal turbulence

Armstrong Fluid Technology AS1270-380 O-Ring 328140-751 making it a standard replacementThe Armstrong Fluid Technology AS1270 380 O Ring is a precision engineered EPDM rubber seal designed specifically for 10 inch pump side connection suction guides. Featuring a 11. 475" ID x 0. 210" CS configuration, this EPDM cover O ring ensures a high integrity, leak proof seal within demanding HVAC pumping systems. Engineered for dimensional stability, this Armstrong pump replacement part maintains its physical properties across varying temperature