Extend Your Swimming Season with Efficient Pool Heating

Product Description

Detailed introduction of functions:

Control Panel Operation Notes：

1. Connect water and power supply, and perform water & electricity inspection before use.

2. After pressing the switch button ⑨, the display will immediately show the internal water temperature, and the equipment has been started

3. Set water temp: first press the button ⑦, when the temperature flashes, press Button ④ or ⑤ to adjust to the desired temperature (adjustable range: 20°C-55°C).

4. To set the timer: first press Button ⑦, then press Button ④ or ⑤ to adjust to the desired time (adjustable range: 1-15 hours).

5. If the water flow indicator does not light up, check if the circulation pump is on; if the pump is on, verify its flow rate and head, and replace with a higher-flow pump if insufficient.

6. When the heating & constant temperature indicator flashes, the unit is in heating mode.

  • Smart Touchscreen Control: 

Easily switching between ℃ and ℉, the heater is equipped with a digital touch screen display for precise control of the heating time and temperature. and monitor water flow and heating status. When the temperature falls below the preset temperature, the heater will automatically turn on again.

  • Efficient & Durable Heating Element: 

High temperature protection switch, The hot tub thermostat's 316 stainless steel heater tubes provide faster heat transfer and longer lasting performance, with higher resistance to rust than 304 stainless steel, ensuring your pool stays warm and inviting year-round.

  • Advanced Safety Features: 

Built-in fuse security protection, including: anti-dry burn, water shortage auto shut-off and temperature control start/stop.season and significantly reduce energy costs, your comfort and enjoyment while maintaining the pool's constant temperature.

  • Requires professional installation:

The 11/18KW high power unit that is not powered by a plug, but by hardwiring. Please have it installed by a licensed electrician to ensure proper operation. Please read the product manual carefully before installation and follow the manual requirements. The heater should be installed in conjunction with the circulation pump to make your purchase hassle-free.

The Attention!

1. Operates at 220V via split-phase power, needs two separate 110V hot wires for installation.

2. Operation sequence:
Turn on the water pump first, then the thermostat;when shutting down, turn off the thermostat first, wait for a moment (depending on the power of the thermostat, ranging from 10 seconds to 1 minute) and then turn off the water pump.

3. A reliable leakage protection device must be installed!
It must be installed and debugged by a certified electrician!
Regular inspection and maintenance must be carried out monthly.
(Non-certified electricians are prohibited from installing this device)

4.The entire machine is warranted for one year, excluding cases of improperuse or operation by the user and excluding wear parts.

5.It is more effective when used as auxiliary heating. For direct heating,machine with higher power should be selected.

Important Note：

1. The thermostat is prohibited from using booster pumps and can only use circulating water pumps (flow rate/head can refer to the recommended table). If any quality or safety issues arise from the use of booster pumps, the customer shall bear the responsibility themselves.

2. During installation, the inlet and outlet pipes must not be smaller than the reserved inlet and outlet pipe connectors on the thermostat device. For example, if the reserved inlet and outlet connectors of the thermostat are external threads 5.5KW-18KW: 1.5 inches. If the inlet and outlet pipes are too thin, it will lead to insufficient flow, excessive pressure in the machine's inner tank, which can damage the thermostat and pose safety hazards.
3. For this 11kW / 18kW pool heater, a circulation pump with 1–3 HP is sufficient to meet the required flow rate.


  • 1. We only accept PayPal.
  • 2. PayPal is the only online payment method we accept. Please make sure you have a valid/confirmed PayPal account prior bidding. And please make sure that your PayPal registed address is the same with your eBay registed address.

    • 1. This item will be shipped out within 1-2 Business Days after confirmed payment received.
      • 2. Goods are in stock in USA warehouses, buyer can get the parcel around 3-8 business days.
        3. We provide tracking number freely for all buyers.


  •         If you receive an item and find it does not meet your expectations—whether it’s about the size, quality, appearance, or any other aspect—please do not hesitate to contact us first. We are committed to resolving any issues you may have in a friendly and efficient manner, and we believe most concerns can be addressed through open communication before proceeding with a return.
            1-Year Warranty Coverage: All our products come with a 1-year warranty from the date of delivery. The warranty covers factory defects in materials and workmanship. Damage caused by improper installation, wrong operation, man-made breakage or unauthorized disassembly is not covered under warranty. Please keep your order information for warranty service.
            Return Window: You may request a return within 30 days of receiving the item. Items must be returned in their original condition, unused, and with all original packaging and accessories intact.
            Prioritize Communication: Before initiating a return request through eBay’s system, reach out to our customer service team via eBay Messages. Share your order number, photos of the item (if needed), and a clear description of your dissatisfaction. We will respond within 12-48 hours to discuss solutions—such as a refund, exchange, or other reasonable adjustments—that work for you. Warranty-related faults also require you to message us first for support.
            Return Shipping: If a return is approved (after our communication), the return shipping cost will be covered by us in cases where the item is defective, incorrect, or not as described. For other cases, the buyer may be responsible for return shipping fees, unless otherwise agreed upon during our communication. Warranty service shipping charges will be notified separately after confirmation.
            Refund Processing: Once we receive and inspect the returned item (to ensure it meets the return conditions), we will process your refund within 3-5 business days. The refund will be issued through your original payment method.
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