Setrab Thermal Switches
These thermal switches from Setrab are designed to activate your fan relay when the fluid temperature reaches a preset temperature. The switch stays on until the temperature drops down to 15° F below the target temperature.
Two 1/4" spade terminals make electrical hook up easy. These switches are non-grounding, so they can be installed anywhere in your system. Choose from the switch only, with 1/8 NPT male threads, or a switch/adapter assembly, for easy installation at the end of any AN hose.
Note: These switches are not rated for the current draw of the fan. They must be used to control a fan relay (sold separately).
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This compact thermal switch assembly mounts in any 6AN hose and will turn your electric fan on automatically at 180F and off automatically at 165F via a fan relay (fan and relay not included). .
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