3 KW Constant-Temperature Heater for Swimming Pool, Spa & Bathroom — Compact Thermostat Unit, Efficient Heating

Compact thermostat heater with an inner tank designed for smooth circulation, resistant to slag buildup and simple to disassemble for maintenance. Its small footprint allows straightforward installation into the circulating massage pipe at the bottom of the bathtub. Operation is user-friendly thanks to a mechanical temperature control switch that lets you set the temperature according to your temperature technology. For safe, reliable use the unit includes a water flow switch and an ultra-high temperature protection switch. All mechanical control components are economical and built to last.