solar water heater accessory

Solar vacuum tube 58x2100mm triple coating Specifications: Outer tube diameter: 58+/- 0.7mm Outer tube thick: 1.6mm Inner tube diameter: 47+/-0.7mm Inner tube thick: 1.6mm Tube length: 2100mm Material: borosilicate glass 3.3 Coating structure: Cu/ALN-SS/ALN, three target Absorption: 93% Emission: 4% Production flow:

Wilo brand hot water circulation pump RS15/6 This circulation pump is normally used for Domestic hot water supply, heating water circulation, air conditioning system, heat pump system. expecially for pressurized solar water heater systems. Specification : Model Rated power Inlet/Outlet max flow max head Voltage/Freq w IN l/min m v/hz RS15/6 93/67/46 G 3/4' 38/25/20 6/5/3 220/50 Application: Suitable for city buildings, suburban villas, houses, water and pressurized with