3kw Adjustable-Thermostat Tub & Spa Heater — Efficient Pool/Bathtub Heater for Chinese Spas

Designed for tubs and spa pools, this 3kw massage bath/pool heater features an adjustable temperature button for precise thermostat control. The unit connects via a 1.5" outlet and requires a minimum system pressure of 0.035MPA. To ensure proper and reliable operation, we recommend a pump with at least 0.25HP / 170W.