If your voltmeter shows 24V entering the switch but 0V leaving while the inducer is at full speed

replacing a rusted or clogged burner with this OEM Nordyne part restores the consistent flame pattern required for proper flame sensor rectification

) scale and measure across the male pins

using this HVAC high limit control means a drop-in fit with standard spade terminals

dry flange surfaces

Trane THT2243 Thermostat If your voltmeter shows 24VThe Trane THT2243 Thermostat is a heavy duty 240V SPST thermostat specifically engineered as a limit control and temperature regulator for commercial and residential condenser units. Operating as a single pole, single throw (SPST) switch, this component is designed for 105Op73Cl operation, meaning it triggers an open circuit at 105F and restores the connection when temperatures drop to 73F. Professional technicians rely on this OEM replacement part