1. Use titanium heat exchanger in PVC shell. Corrosion resistance,ensure long service life.
2. Insufficient water flow protection & high/low pressure protection.
3. Auto defrosting protection, ensure reliably running at cold ambienttemperature.
4. Both water heating & cooling. Suitable for spa/ pool use.
5. Adjustable temp difference of 1 to 5 °C.
6.OEM design optional.