HEATIT ET-21 Freeze Thermostatically Controlled Outlet On at 38F /Off at 50F ET-21-4 4PCS by HEATIT - Used condition

HEATIT ET-21 Freeze Thermostatically Controlled Outlet On at 38F /Off at 50F ET-21-4 4PCS — Open-Box, 20% Off

Name: HEATIT ET-21 Freeze Thermostatically Controlled Outlet On at 38F /Off at 50F ET-21-4 4PCS
Brand: HEATIT
SKU: awhd-us-b0f2mvd1wj
Price: 35.27 USD
Availability: InStock

Brand: HEATIT

Condition: Used - Mint

$35²⁷

$43⁹⁹

-20% Save $8⁷²

Updated: 17 hours 30 mins ago

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Description

[CSA Certified for Safety] The entire product is CSA certified, ensuring high safety and quality standards. It provides reliable performance and peace of mind for various heating applications.

[Smart Thermostat with Indicator Light] Equipped with an intelligent indicator light, the thermostat-controlled outlet powers on when the temperature drops below 38℉ (3℃), and the light turns on. It automatically shuts off around 50℉ (10℃), optimizing energy usage.

[Energy-Saving & Easy to Use] The plug-and-play design allows for effortless operation—simply plug the device into a power outlet, and it will automatically turn on or off based on the ambient temperature. This energy-efficient feature helps reduce electricity costs.

[Versatile Applications] With a maximum capacity of 15A, this thermostat outlet is ideal for 120V AC electric heaters, gas heaters, engine block heaters, pipe heating cables, roof de-icing cables, and more. Designed for dry locations only.

[Simple Testing & Warranty] To test the product, place it in a refrigerator for 45 minutes, then plug it into a power source—you will see the red indicator light on the thermostat controller. Backed by a two-year limited warranty. If you are not fully satisfied with the HEATIT ET-21, contact us, and we will do our best to resolve any issues.

temperature controller outlet

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Product Details

SKU:: awhd-us-b0f2mvd1wj
Model:: ET-21-4
Country:: US
ASIN:: B0F2MVD1WJ

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $9 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for HEATIT products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.