Painless Performance 30103 Fan Relay with Thermostatic Switch, 185 On/175 Off
- Inexpensive protection for an electric fan and a vehicle's wire harness.
- Provides constant voltage, protects from voltage and amperage spikes and prevents the fan from back feeding voltage.
- Threaded thermostatic switch (185°F On/175°F Off) screws into the engine block or intake manifold.
- Switch thread size 3/8"-18NPT (1/2" to 3/8" NPT adapter provided).
- Protected by 40-amp relay and 30-amp circuit breaker.