Check the listing for details. iO HVAC Controls FS-38 Suction Line Freeze Thermostat. Condition: New. Listed at 24.20 USD. Electrical HVAC Thermostats Thermostat Wire Tools Plumbing iO HVAC Controls FS-38 Suction Line Freeze Thermostat IO HVAC Controls Suction Line Free Thermostat monitors the suction line temperature of an AC unit. The FS-38 acts as a thermostatic switch to prevent the AC coils from freezing. It also prevents potential water damage in the event of a blower motor failure, restricted airflow from a dirty filter, clogged coil or low refigerant. The stats open at 38 degrees Fahrenheit and close again at 50 degrees. Installation is effective and easy as the product easily snaps onto the suction line. Product Details Color Height 0.125 Length 14.125 UPC 840119908824 HVACSurplus.com works with a wide variety of brands that you know & trust. Some of our brands include: Aprilaire ∙ Belimo ∙ Braeburn ∙ CPS Products ∙ DiversiTech ∙ Ecobee ∙ Emerson ∙ Functional Devices ∙ GeneralAire ∙ Honeywell ∙ ICM Controls ∙ iO HVAC Controls ∙ Jackson Systems ∙ Johnson Controls ∙ Kidde ∙ LeakSmart ∙ Little Giant ∙ Lux ∙ Malco ∙ MA-Line ∙ NAVAC ∙ Nest ∙ Packard ∙ Peco ∙ Pro1 IAQ ∙ Ranco ∙ Rectorseal ∙ Resideo ∙ Ring ∙ Robertshaw ∙ SolderWeld ∙ Skytech ∙ Supco ∙ UEI Test Instruments ∙ Universal Secruity Instruments ∙ Vents US ∙ White-Rodgers