Racetech Water Temperature Sender switch, manufactured especially for use with the Racetech electrical water temperature gauge. To ensure proper calibration and accuracy this sender switch must be used, no other aftermarket sender switches can be guaranteed to give the correct readings. This unit should be placed wherever in the water system you'd like to measure the temperature, often within a hose adaptor in the top hose or the thermostat housing or cylinder head itself, using a corresponding threaded hole or a larger one, with the use of a reducing sleeve adaptor or tee piece.
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