--- product_id: 34692438 title: "Happybuy Differential Temperature Controller T2-T1 Thermostat Water Heater, Pool Solar Panel Pump 2 Sensors Fahrenheit Celsius" brand: "happybuy" price: "486.45 DT" currency: TND in_stock: true category: "Happybuy" url: https://www.desertcart.tn/products/34692438-happybuy-differential-temperature-controller-t2-t1-thermostat-water-heater-pool store_origin: TN region: Tunisia --- # 2 waterproof sensor probes Dual output relay system 0.1° precision control Happybuy Differential Temperature Controller T2-T1 Thermostat Water Heater, Pool Solar Panel Pump 2 Sensors Fahrenheit Celsius **Brand:** happybuy **Price:** 486.45 DT **Availability:** ✅ In Stock ## Summary > 🌞 Take control of your solar heating like a pro — precision meets power! ## Quick Answers - **What is this?** Happybuy Differential Temperature Controller T2-T1 Thermostat Water Heater, Pool Solar Panel Pump 2 Sensors Fahrenheit Celsius by happybuy - **How much does it cost?** 486.45 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/34692438-happybuy-differential-temperature-controller-t2-t1-thermostat-water-heater-pool) ## Best For - happybuy enthusiasts ## Why This Product - Trusted happybuy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Relay Powerhouse:** Simultaneously manage pump circulation and heating with two independent outputs. - • **Wide Temperature Range:** Operate confidently from -50°C to 110°C (-22°F to 230°F) for versatile applications. - • **Universal Compatibility:** Seamlessly switch between Celsius and Fahrenheit to suit your preference. - • **Robust Waterproof Sensors:** Durable, 3M cable-equipped probes built to withstand wet environments. - • **Precision Temperature Mastery:** Experience ultra-fine 0.1°C/°F resolution for flawless climate control. ## Overview The Happybuy Differential Temperature Controller is a high-precision thermostat designed for solar water heating and pool pump systems. Featuring dual waterproof sensors and two output relays, it automatically manages pump circulation and electric heating based on temperature differentials with 0.1°C/°F accuracy. Compatible with both Celsius and Fahrenheit, it operates across a broad temperature range (-50°C to 110°C) and supports 100-120V AC/DC power with a 10 Amp relay, ensuring reliable, energy-efficient climate control for your solar heating setup. ## Description Mini temperature controller thermostat for solar heating water, pump, . . . . with a washer type temperature Sensor This controller is used in a solar water system for controlling the pump (The temperature difference between the two probes) & Heating system (The set pt. Temperature). it has two internal output relays which control the pumps & Heating system. When the temperature reaches the differential set value (t2-t1), it automatically runs the circulation pump, until the two temperature zones reach equilibrium according to your setting, the S relay can be used to control electric heating when the solar heating has failed to reach the set temperature. The electric heating system can automatically start heating to the set temperature, temperature difference controls & automatic constant temperature with in the set range. One set included 1 x mini-temperature controller 2 x temperature Sensor probe with 3M cable 1 x Instruction manual ## Features - it is accurate controller with 0.1 C or 0.1 F resolution controlling and Selection between Celsius and Fahrenheit - Included Temperature controller,2 water proof sensors, manual and Wiring diagram for installation - Equipped with 2 output (one for controlling differential value T2-T1 and another for controlling heating system) and Temperature Calibration for 2 sensors - Temperature Range -22 ~ 230 °F (-50 ~ 110 °C) and Power Supply: 100-120 V AC/DC with 10 Amp builtin relay - Shipping to USA is 3-6 business days. For more information please go to our website Thermomart ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01ETRIZUG | | Best Sellers Rank | #699,833 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #142 in Swimming Pool Heat Pumps | | Brand Name | Happybuy | | Color | 2 Sensors | | Customer Reviews | 4.3 4.3 out of 5 stars (24) | | Display Type | digital | | Item Type Name | Happybuy Temperature Controller | | Item Weight | 1.5 pounds | | Manufacturer | Happybuy | | Material Type | SMD | | Model | 2 Sensors | | Operating Temperature | 230 °F | | Part Number | 769675369279 | | UPC | 769675373689 769675369279 769675368906 | | Unit Count | 1 Count | | Voltage | 120 volts | ## Product Details - **Brand:** Happybuy - **Color:** 2 Sensors - **Item Weight:** 1.5 pounds - **Material:** SMD - **Voltage:** 120 volts ## Images ![Happybuy Differential Temperature Controller T2-T1 Thermostat Water Heater, Pool Solar Panel Pump 2 Sensors Fahrenheit Celsius - Image 1](https://m.media-amazon.com/images/I/81mt+Ii40VL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/34692438-happybuy-differential-temperature-controller-t2-t1-thermostat-water-heater-pool](https://www.desertcart.tn/products/34692438-happybuy-differential-temperature-controller-t2-t1-thermostat-water-heater-pool) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-10*