Supco SHM290 Manual Reset Snap Action Limit Thermostat 290°F

The Supco SHM290 is a manual reset snap-action limit thermostat designed for reliable high-temperature protection in residential and light commercial HVAC applications. This temperature control features a 3/4-inch (19mm) bimetal disc that senses temperature and quickly separates contacts at 290°F, providing critical safety protection for furnaces and heating systems.

Key Features:

• Manual reset design for enhanced safety - requires manual intervention after activation
• Opens at 290°F on temperature rise
• Single pole single throw (SPST) configuration
• Rated for loads up to 25 amps at 240VAC
• Snap-action design ensures quick, reliable contact separation
• Welded construction for integrity of current-carrying components
• UL recognized and CSA approved
• Compact 3/4-inch bimetal disc design

The SHM290 belongs to Supco's proven SHM Series of bimetal disc temperature controls, offering versatile and cost-effective thermal protection. The manual reset feature ensures that the system cannot automatically restart after an over-temperature condition, requiring technician inspection before operation resumes. Replaces OEM part number AP5648642.