Constant Temperature Water Heater 3 KW - Precision Thermostat for Swimming Pool, Spa & Bathtub Circulation

Compact 3 KW constant-temperature heater with a Precision Thermostat made for pools, spas and bathroom tubs. The internal tank promotes thorough circulation, resists slag buildup and is simple to disassemble for servicing. Its small footprint allows easy installation directly into the circulating massage pipe at the bottom of a bathtub. Operation is straightforward via a mechanical temperature control switch, enabling you to set the exact temperature you need. For safe and dependable use, the unit is fitted with a water flow switch plus an ultra-high temperature protection switch. All control components are mechanical, economical and built for long-lasting durability.