brand new and positive Features: the pump is optimal for the relations domestic thermal photo voltaic programs or any move pump utility the place conventionalpower isn't always available. Horizontal inlet and outlet with rotatable cap, clear installation. Max operating temperature as much as 100°C with External circulating water flow. Super lengthy operating lifestyles consumption low noise. Amphibious design installation and fully waterproof. DC 12V Hot/Cooling Water Circulation pump Inlet/Outlet: 1/2" male thead Voltage: 12V DC Maximum Rated Current: 500MA Max Flow Rate: 6 L/Min Max Water Head: three metre Max elements pressure: 10Bar Max circulating water temperature: 100°C Low noise: 30db at 1 metre DC 24V Hot/Cooling Water Circulation pump Inlet/Outlet: 1/2" male thead Voltage: 24V DC Maximum Rated Current: 800MA Max Flow Rate:10L/Min Max Water Head: 5 metre Max formulation pressure: 10Bar Max circulating water temperature: 100°C Low noise: 30db at 1 metre