Reznor 101900 Switch 318172-701 though we recommend verifying the

though we recommend verifying the BTU requirements of your unit before down-sizing

5 kW at 208V)

this kit addresses common issues where immediate firing or rapid cycling accelerates component wear

What are the symptoms of a failing main wiring harness

preventing air binding and ensuring uniform heating

Reznor 101900 Switch 318172-701 though we recommend verifying theThe Reznor 101900 Switch is a critical heavy duty replacement HVAC part designed for field technicians managing seasonal system transitions. This Double Pole Double Throw (DPDT) toggle switch is rated for 15A current handling, providing the electrical overhead required for reliable operation in industrial and commercial unit heaters. Built for a Winter Off Summer configuration, it allows contractors to manually toggle between heating and ventilation