Continuous exposure to acidic combustion gases and exterior elements causes oxidation

you can utilize the high-speed tap for single-speed applications

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

this part is the direct OEM specification for GV90+ units as well as older AHE and GV models

This furnace safety sensor provides a drop-in fit for existing brackets

Trane SWT3172 Pressure Switch 320788-703 Continuous exposure to acidic combustionThe 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