making it compatible with a large range of definite purpose contactors

The Robertshaw 780-735 ignition module is a universal hot surface ignition (HSI) control designed for reliable gas furnace repair and system troubleshooting

while it is a Double Pole Single Throw (DPST) control

after a compressor burnout

Emerson Alco 028192 Solenoid Valve 318172-701 making it compatible with aThe Emerson Alco 028192 is a robust 2 way normally closed solenoid valve engineered for precision fluid control in industrial HVACR systems. Built with a heavy duty industrial solenoid brass valve body, this 3 4" NPT valve (model 222CB3 4B3 4B) is a pilot operated solution ideal for high flow requirements, offering a significant 7. 0 Cv flow coefficient. It is designed to handle a wide operational range, managing 0 250 PSI for air and water