"Spagold" Spa Heaters are intended for use on spas or hot tubs, having a forced water
circulation system. The heater will maintain the water at any enjoyable relaxing
temperature, because as long as the system is on, it will shut off automatically
when the system is turned off or when the water drops setting level by users.Important Note: The water flow through the heater should be at least 20Gpm but should not exceed
120Gpm higher flow may damage the heater.HT-A/B Series heaterModel Input Voltage Current Phase Pipe Diameter (KW) (V) (A) N (inch) HT-A/B5.5 5.5 220/380 25/9 1/3 1.5HT-A/B11 11 220/380 50/17 1/3 1.5HT-A/B15 15 220/380 68/25 1/3 1.5HT-A/B18 18 380 28 3 2HT-A/B20 20 380 30 3 2HT-A/B24 24 380 37 3 2HT-A/B30 30 380 46 3 2HT-A/B36 36 380 55 3 2HT-A/B40 40 380 68 3 2HT-A/B48 48 380 73 3 2

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