american volt electric radiator fan ground thermo switch 1/8" 1/4" 3/8" 1/2" inch npt temp sensor thread-in brass probe (1/8" npt, 180'f on - 165'f off) american volt brass thread-in probe grounding thermostat kit.<br>closes electrical circuit at temperature and grounds fan.<br>various temperature ranges to suit your project needs.<br>single .25 inch standard pin electrical terminal.<br>measures coolant, oil, water temperatures.<br>for engine block, radiator, cylinder head, manifold, outlet tube.<br>complete thermostat wiring kits listed in our store.<br><br>includes:<br><br>(1) thermostat sensor switch<br>(1) female terminal connector<br>