Description
Product Overview
The Beck/Arnley air temperature switch is a gold‑finished, Wi‑Fi enabled thermostat designed for automotive water temperature monitoring. It features a normally open gold contact, IP54 protection, and a screw terminal for secure wiring. Dimensions are compact at 2 x 2 x 3 inches, weighing just 0.704 ounces, making it easy to install in tight engine bays.
Usage
Perfect for cars, trucks, and SUVs that require accurate water temperature feedback to the dashboard gauge. The switch operates in ON‑OFF mode and connects via Wi‑Fi, allowing remote monitoring through a dedicated app. Ideal for mechanics, DIY enthusiasts, and fleet managers seeking reliable engine temperature data.

Why Choose Us
Beck/Arnley delivers OEM‑matched form, fit, and function, ensuring seamless integration. Constructed with high‑quality gold contacts and a robust housing, it withstands harsh engine conditions. Each unit meets exact resistance and temperature specifications, providing consistent performance.
Key Features
- Gold‑plated contact for superior conductivity
- Wi‑Fi connectivity with app control
- IP54 rating protects against dust and splashes
- Compact 2×2×3 inch design fits tight spaces
- OEM‑matched specifications for perfect fit
FAQ
Can this switch be installed without professional help?
Yes, the screw terminals and compact size allow DIY installation with basic tools and the provided wiring diagram.
Is the Wi‑Fi connection secure?
The switch uses standard WPA2 encryption, ensuring a secure link between the device and your app.
What temperature range does the switch cover?
It is calibrated for typical automotive coolant temperatures, accurately relaying readings from cold start up to normal operating heat.
Does the gold contact wear out over time?
Gold is highly resistant to corrosion and wear, providing long‑term reliability even in harsh engine environments.
Is the product compatible with all vehicle makes?
It matches the OE specifications for many models; check the part number 201-1187 against your vehicle’s service manual.




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