Schneider Electric (Barber Colman) AT-1103 Guard While you should never use

While you should never use a shorter lead than required

If the furnace blower runs continuously while the burners remain off

and HVAC staging

The MARS 92340 provides a universal fit with its tab mounting bracket and 1/4-inch quick-connect terminals

Schneider Electric (Barber Colman) AT-1103 Guard While you should never useThe Schneider Electric AT 1103 is a heavy duty wire thermostat guard engineered to provide superior physical protection for wall mounted climate controls in high traffic or industrial environments. Built with a robust steel base plate and a wire cage design, this thermostat cover prevents unauthorized setpoint adjustment and protects sensitive equipment from mechanical damage or vandalism. For technicians managing commercial HVAC systems, the AT 1103