This Fan-Thom II relay kit provides automatic electric fan control using a threaded thermostatic switch that installs directly into the engine block or intake manifold for a clean, professional appearance. It protects your fan and vehicle wiring by supplying steady voltage, preventing amperage spikes, and eliminating back-feeding through the harness. A reliable and affordable solution for electric fan activation.
Kit Includes:
• SPST 40-amp relay
• 30-amp circuit breaker
• Thermostatic switch: 185°F on / 175°F off (3/8"-18 NPT thread)
• 1/2" NPT to 3/8" NPT adapter
• Relay base with harness (6' input, 4' output)
• Crimp-on terminals
• Mounting hardware
Print these and leave them around the house... Christmas is coming up!