Thermostat Switch - Circuit On At 35&deg;F and Off At 25&deg;F - Large Flange UL Approved up to 250 VAC and 25 AMP resistive load. Rated for environmental conditions up to 350F. Snapdisc thermal control closes on temperature rise: Close 35F Open 25F (+/- 5F) Temperature switch will last for over 100,000 operations under normal usage. Model number: 2511F002-640