hot water circulator pump silence <45dB(A), no leakage, environmental friendly, easy installation hot ... 3043) Impeller: PP4)Shaft:ceramic/S.S4) Pump body: cast iron Ht200Liquid:1) Liquid temperature range: -10 - 110°CInstallation:1) Size, pipe ... ) Max. current: 0.45A7) Capacitor size: 3uf hot water circulator pump, circulation pump, circulating pump, home pump, three-speed pump, shield pump