some high-efficiency condensing units may require a specific bead of high-temp silicone in conjunction with the gasket for a 100% airtight assembly

The York 326-33850-000 typically includes the primary pump assembly and the essential sealing components required for a standard swap-out

This kit allows technicians to restore original seat integrity and pressure ratings without necessitating a full valve body replacement

this York HVAC safety switch prevents thermal runaway by interrupting the burner circuit if airflow is restricted or internal temperatures spike

technicians can precisely calibrate the head pressure control to ensure optimal system efficiency and reduced water consumption

Trane SWT3172 Pressure Switch 320788-703 some high-efficiency condensing units mayThe Trane SWT3172 High Pressure Switch is a critical safety component designed for professional grade protection in residential and commercial HVAC systems. This OEM Trane pressure switch acts as a fail safe, monitoring discharge line pressures to prevent catastrophic compressor failure. Engineered for high pressure refrigerants like R 410A, this 800 PSI cutout switch automatically interrupts the 24V control circuit when system pressures exceed safe