Resideo TG511A1000 Thermostat Guard Els PW 17895 this furnace limit switch trips

this furnace limit switch trips due to restricted airflow

Maintains venting clearance compliance as specified in the manufacturer's installation manual

this manual reset limit switch requires technician intervention to restore operation

and the necessary wiring jumpers to adapt to your specific furnace model

The instrument is factory-calibrated to provide an 8 psig output signal when the ambient temperature matches the setpoint dial at a 20 psig supply

Resideo TG511A1000 Thermostat Guard Els PW 17895 this furnace limit switch tripsThe Resideo TG511A1000 is a professional grade Versaguard Universal Thermostat Guard designed for high traffic commercial environments where thermostat security and tamper resistance are critical. This medium sized enclosure features a patented double wall construction that provides an extra layer of protection against unauthorized setpoint adjustments and physical damage. Constructed with a clear acrylic cover and ring base paired with an opaque