
25W9in Steel Solar Powered Adjustable Attic Ventilation Fan
Vaccum tube transfers sunshine radiation into manifold.
Air get circulated and warmed by electrical fan and control unit.
No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for heat pipe tube solar collector, ce heat pipe solar collector, solar hot water. Innovation and development is our long-standing tradition and an important driving force behind our industry-leading development. After many transfers, we have overcome a series of severe challenges such as system reform and change and market downturn, and our business situation tends to improve and stabilize. The company can provide products that meet the requirements of the customer's use environment to meet the individual needs of customers. We hope to reduce costs through technology innovation and large-scale production, and improve our competitiveness with integrity and engagement.
Solar Temperature Sensor
DESCRIPTION
Solar air heater is air heating device, composed of manifold,installation frame and vacuun tubes.
Vaccum tube transfers sunshine radiation into manifold.
Air get circulated and warmed by electrical fan and control unit.

FEATURES
100% green energy
Easy installation
Long usage and maintainence period
APPLICATIONS
● Home
● Factory
● Hotel
● Hospital
SPECIFICATIONS
Weight | 130kg |
Inner tank | Top quality stainless steel 304 made by Baosteel Shanghai, Welded with Argon arc, thickness 0.4mm |
Out shell | Galvanized steel with AkzoNobel powder, thickness 0.45mm, color as requested |
Heat insulation Layer | Polyurethane(made by Bayer,Germany), thickness no less than 55mm ,density > 35kg/m3 |
Fixture Frame | Galvanized steel with AkzoNobel powder, thickness 1.5mm, color as requested |
Vacuum tube | High borosilicate 3.3 glass. efficiency:91%-94%. three layers coating |
| Steel punching | Argon arc welding |
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| Leakage inspection | Vaccum tube |
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Storage

FAQ
1, Can we get some samples? Any charges?
Yes, free existing labels, you need to pay shipping cost.
2. How can we get a quote?
To confirm materials, room sizes, wanted temperature
3. Can you help with the design?
Yes, Simply design free, special design need to pay.
4. What's the trade term and payment term?
Amount less than $1000, 100% paid before production,
more than $1000 can be negotiated!
T/T, Western Union, PAYPAL etc.
5.May I have new sample made with my design for confirmation?
Yes. Sample charge means set up charge for production line, little quantity we suggest that straight for production. Large quantity we suggest that sample first, and sample fee can be refund.
QUALITY CONTROL
We have QC person stay on the production lines do to the inspection.
All products must have been inspected before delivery.
we do inline inspection and final inspection.
1.All raw material checked once it arrive our factory.
2.All pieces and logo and all details checked during production.
3.All packing details checked during production.
4.All production quality and packing checked on final inspection after finished.Our perfect quality inspection and quality control system enables our customers to use our 25W9in Steel Solar Powered Adjustable Attic Ventilation Fan with confidence. We adhere to 'technology leadership, talent-oriented', and spare no effort to invest in technology research and development and personnel training. We have always been committed to building up the competitiveness of our company, and insisting on customer-centric, providing customers with high-quality pre-sales and after-sales services, delivery time, and timely feedback.
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