the switch opens the circuit to the gas valve or control board

The Schneider Electric (Barber Colman) AT-505 Mounting Base provides a professional-grade solution for surface-mounting commercial thermostats and HVAC sensors

Field Reversible Actuation: Easily switch between power closed/spring open and power open/spring closed configurations on the job site

which is essential for consistent ignition and reliable flame rectification

Is a vent protector included with the R600Z-3/4

Reznor 87434 Ventor Motor Freon the switch opens the circuitThe Reznor 87434 Ventor Motor is a critical 115V replacement component engineered specifically for Reznor unit heaters. Operating at a standard 115 volt single phase input, this draft inducer motor is designed to pull combustion gases through the heat exchanger, ensuring proper venting and preventing pressure switch trip outs. As a direct mechanical match for specific Reznor power vented units, it maintains the necessary CFM output and static pressure