1.rooftop unpressurized solar water heater, low heat loss
2.high quality vacuum tubes, heat quickly
3.15years using life tube
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact SupplierPackaging Detail: standard export carton
Delivery Detail: 15 days after receiving the demand payment
Technical specification of rooftop unpressurized solar water heater:
Vacuum tube | 2.0mm thickness borosilicate glass 3.3 |
tube pressure | 5×10-3pa |
Abosorptance | 0.91 |
Inner tank | 0.5mm thickness SUS304 stainless steel |
Outer tank | 0.4mm thickness SUS202 stainless steel or color plate |
Absorbing layer | high-pressure polyurethane foam with 55mm thickness |
Foaming density | 35g/cm |
closed-cell foam rate | 95% |
Bracket | aluminium alloy or color coated steel with 1.5mm thickness; |
Angle of stand | 18°, 38°, 45°, 50° |
Features:
1.Freeze-proofing,anti-scale,water purifier(Optional).
2.forceful consolidation of water tank and vacuum tubes, no water leakage
3.streamlined integration of bracket., more stable and durable
4.exquisite workmanship
5.easy installation and it can be combined with the building and architecture perfectly
6.can be used all year around in cold climate.