intelligent digital spa heater flow switch + water level probe double protection for heat elements. The existing other spa heater on market the flow switch always fails, the heat elements burned ,and the mechanical controller broken, Oceanic intelligent...

intelligent digital spa heater flow switch + water level probe double protection prevent the heat elements from working in air The existing other spa heater on market the flow switch always fails, the heat elements burned ,and the mechanical controller...

spa heater,stainless steel body ,water pressure protection switch,high temperature cut off .many types for different bathtub 1.TUV,CE approved .2 stainless steel casing,3 water pressure protection switch4, temperature will keep on 39 Celsius 5.suit...

SPA Heater, Heat Water for Spa and Swimming Pool, Double Protection 1.TUV,CE approved .2 stainless steel casing,3.water pressure protection switch4.temperature adjustable between 0-45 centigrade by knob switch ,60 centigrade over heat protection5.suit for...

digital spa heater with flow switch + water level probe double protection prevent from the heat elements working in air The existing other spa heater on market the flow switch always fails, the heat elements burned ,and the mechanical controller broken,...

stain less steel ,water pressure protection switch,,high temperature cut off,TUV,CE approved spa heater The main features of this spa heater1.TUV,CE approved .2 stainless steel casing,3.water pressure protection switch4, temperature will keep on 39...