Circulating pumps in heating system Low-noise,no leakage, environmental protection, beautiful appearance,convenient install Place of OriginZhejiang, China (Mainland)Brand NameGREENPROModel NumberRS25/7GTheoryCentrifugal PumpStructureScrew PumpUsageWaterPowerElectricStandard or NonstandardStandardFuelElectricPressureLow PressureApplicationhot circulation pumpcentrifugal pumpwater pump