the unit includes a 500 Ohm resistor specifically for 4-20mA proportional control applications

While the solenoid coil is replaceable

Capacitors are generally sold separately

while the screw terminal block provides secure electrical terminations for 24VAC wiring

making it a dependable choice for maintaining peak HVAC system performance in demanding residential environments

Trane SWT2967 Pressure switch R-410A the unit includes a 500The Trane SWT2967 Pressure Switch is an OEM furnace draft inducer safety switch designed to verify proper static pressure within the combustion air system. This single pole single throw (SPST) component is factory calibrated to a 1. 15" WC setpoint, ensuring the inducer motor is moving sufficient air for safe flue gas venting before ignition occurs. Built with a 1 4" barb connection for standard vacuum tubing and reliable spade terminals for