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What are the connection sizes for the APD-1RB
Rated for 400 psi static pressure and capable of handling up to 50% glycol concentrations
delivering a consistent 60-watt output to maintain oil temperature above the refrigerant's saturation point
Precision Calibration: Reliable 4-8 PSI spring range ensures accurate valve response to pneumatic controller signals
Trane SWT1271 Limit Switch What are the connection sizesThe Trane SWT1271 is a critical furnace high limit switch designed for HVAC system diagnostics and thermal protection. As a standard OEM replacement part, this auto reset limit switch prevents the heat exchanger from reaching a hazardous open temperature of 180F, cutting off power to the gas valve until the unit cools to its 150F reset point. For technicians troubleshooting furnace short cycling or 4 flash error codes on a Trane or American Standard