2KW/3KW SPA Electric Water Heater Thermostat Pump for Bathtub, Pool & Hot Tub — Efficient Heating

Compact heater designed for easy installation in the circulation massage pipe at the bottom of a bathtub. Operation is simple: a mechanical temperature switch lets you set the desired water temperature. For safety and reliable performance during movement, the unit includes a water flow switch and an ultra-high temperature protection switch. All mechanical control devices are economical. The heating thermostat’s inner material is 316# stainless steel with an electric heating tube, offering good resistance to chlorine corrosion. The inner tank provides excellent circulation, resists scale build-up (does not hang slag), and is easy to disassemble.