Trane Parts SWT01272 Furnace Thermal Limit SwitchFurnace Thermal Limit Switch SWT01272 from Trane is a reliable replacement part for residential furnaces, designed to protect your heating system within HVAC systems by automatically disconnecting power when temperatures rise too high. As a Type Limit Switch, it opens at 250F and closes at 220F, delivering dependable furnace safety for startup, operation, and shutdown cycles. This essential Trane part serves as a furnace safety switch in many models,

and delivers reliable performance year after year across a wide range of water temperatures

Standards: UL listed (Canada and US)

operating range 32–140°F

Electrical position: NO

and the package includes a switching sub-base for easy wiring and quick setup

This gas transformer features a 250 V AC primary and 10000 V AC secondary

Designed to fit commonly used Goodman equipment

this Trane part helps you keep air clean and systems running smoothly

this differential-type controller uses a manual reset and breaks on pressure rise to protect equipment

This replacement part supports aging components

Low Lead compliance ensures safe drinking water and regulatory adherence

and cooling units