Maernz Dual Electric Fan Relay Kit - 40A Waterproof Relay with Adjustable Thermostat (185°F On/175°F Off) for Radiator Cooling System, High Amp Temperature Sensor Switch

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상품 특징

• 1. Plug-and-Play Complete Kit：This all-inclusive kit comes with a color-coded wiring diagram (RED=12V+, COFFEE=Fan+, BLACK=Sensor, GREY=Ignition), 40A waterproof relay, and pre-crimped terminals—install dual fans in 15 minutes without extra tools or parts.
• 2. Precision 185°F/175°F Thermostatic Control ：Fans activate at 185°F and shut off at 175°F (10°F温差 tighter than standard kits) via a 3/8" NPT OE-style sensor (1/2" adapter included) to prevent engine overheating and reduce motor wear.
• 3.40A Heavy-Duty Relay for Trucks/SUVs ：Industrial-grade relay handles 40A peak current (vs. 30A competitors) to power dual mid/low-profile fans, with flame-retardant silicone wires (125°C rated) and self-resetting fuses for extreme conditions.
• 4. Universal Fit with Upgrade Options ：Directly replaces OEM parts on 10"-16" fans across cars, trucks, and RVs; upgrade to Maernz Heavy-Duty Kit or 10-gauge wires for high-profile fans.
• 5.Pro Tip: Pair with 160°F Thermostat ：Critical for function! Higher thermostats (e.g., 180°F) trap heat, forcing fans to run nonstop—sensor must thread-grounded to engine metal (test with multimeter post-install).

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