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The ICM CONTROLS FS40 is a Frost Sentry garage thermostat designed for single-stage heating systems. This low-cost, non-programmable thermostat features a fixed 40°F set point, ideal for freeze protection in areas like garages, workshops, and crawl spaces. It operates on 18-30 VAC input with a 2 amp maximum output. Its special foam backing improves accuracy by preventing wall effect and sealing wiring holes.
Fixed 40°F thermostat for freeze protection in garages and storage areas, featuring easy 2-wire installation and foam backing for accuracy.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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