Trane THT1248 Thermostat 323613-751 check the specific FWZ series

check the specific FWZ series model number to ensure voltage compatibility before installation

is a precision-engineered internal component designed specifically for TER series expansion valves

Why is an isolated coil necessary

always compare your existing board’s “CESO” number against this part to ensure a 1:1 match before installation

this OEM replacement harness ensures stable voltage delivery and signal integrity

Trane THT1248 Thermostat 323613-751 check the specific FWZ seriesThe Trane THT1248 Thermostat is a critical high limit switch engineered for precision thermal protection in residential and light commercial HVAC systems. Functioning as a safety critical normally closed (NC) control, this limit thermostat is designed to mechanically break the electrical circuit when the system reaches 150F. This automated disruption immediately shuts down burners or heating elements, preventing heat induced damage to the heat