THERMO water recirculation pump is a brushless DC motor design with dry-running protection, over-current protection, blocked protection, over-voltage protection, under-voltage protection, reverse protection, constant power and over-temperature protection. Its a new design with built-in flow meter and temperature meter to minitor and control the flow rate & temp, a fully integrated system pump for zero cold water heater, instant water heater, electric water heater, gas condensing boiler and so on.
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