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

secured via a set screw for a 1/2" keyed or flat-surface motor shaft

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

Common Questions & Technical Support Can the VT3211 be used for steam applications

always verify that the temperature ratings on the existing switch match the 155°F/125°F specifications before installing

Reznor 87434 Ventor Motor Freon The Schneider Electric (Barber Colman)The 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