99433 Electric Fan Controller, Adjustable with Relay
Electric Fan Switch/Controller, Adjustable Thermostat with 40/60 amp Relay. This is used for activating the electric fan motor to come on at the temp you set. Comes with a sensor that installs into a 3/8" NPT water port in the manifold or cylinder head for accurate sensing.
Use (# 99430) for 2-Speed fan motors
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