W3230 Digital Temperature Control Thermostat – Precise Heat & Cooling Management
Upgrade your heating and cooling system with the W3230 12V/24V AC110‑220V Probe Line 20A Digital Temperature Control LED Display Thermostat. Engineered for both residential and commercial applications, this versatile instrument delivers accurate temperature regulation, real‑time monitoring, and reliable protection for a wide range of HVAC and industrial equipment.
Key Highlights
- Universal power input: 12 V DC, 24 V DC, or AC 110‑220 V for flexible installation.
- High‑current capacity: Supports up to 20 A load, ideal for heavy‑duty heating and cooling devices.
- Digital LED display: Large, backlit numbers provide instant temperature readout even in low‑light conditions.
- Dual‑mode control: Seamlessly switch between heating and cooling functions with a single touch.
- Precision probe line: Fast‑response temperature sensor ensures ±0.5 °C accuracy.
- Programmable set points: Adjustable temperature range from -20 °C to 120 °C (‑4 °F to 248 °F).
- Built‑in safety features: Over‑temperature alarm, short‑circuit protection, and automatic shut‑off.
- Compact, rugged housing: ABS enclosure rated IP44 for dust and splash resistance.
Technical Specifications
- Power Supply: 12 V DC / 24 V DC / AC 110‑220 V
- Maximum Load Current: 20 A
- Temperature Range: -20 °C ~ 120 °C (‑4 °F ~ 248 °F)
- Sensor Type: PT100/NTC probe line (optional accessories available)
- Display: 4‑digit LED, backlit, adjustable brightness
- Control Modes: Heating, Cooling, Auto (heat‑cool toggle)
- Accuracy: ±0.5 °C (±0.9 °F)
- Protection Rating: IP44, over‑temperature, short‑circuit, overload
- Dimensions: 120 mm × 80 mm × 35 mm
- Operating Temperature: -30 °C ~ 70 °C
Easy Installation & Setup
The W3230 is designed for plug‑and‑play convenience. Simply connect the power source, attach the probe line to the target equipment, set your desired temperature range, and the thermostat takes care of the rest. The intuitive interface requires no programming expertise, making it perfect for DIY enthusiasts and professional installers alike.
Benefits of Choosing the W3230
- Energy Efficiency: Precise temperature control reduces unnecessary heating or cooling cycles, lowering utility bills.
- Versatility: Works with a wide variety of devices—water heaters, air conditioners, incubators, grow rooms, and more.
- Reliability: Robust construction and built‑in safety mechanisms protect your equipment from damage.
- Visibility: The bright LED display provides clear status updates at a glance.
- Scalability: Compatible with multiple probe types and external accessories for customized solutions.
Why the W3230 Is the Smart Choice for Temperature Control
When precision, durability, and flexibility matter, the W3230 stands out as the premier digital thermostat solution. Its multi‑voltage capability, high current handling, and user‑friendly design ensure seamless integration into any heating or cooling system, delivering consistent performance and peace of mind.
Price: Original price was: $ 8.67.$ 2.86Current price is: $ 2.86.

