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SFB-AL Slimline 20 Tube 47mm Solar Panel

Excl. VAT: £148.61 Incl. VAT: £178.33

Quick Overview

Key Benefits

  • Evacuated Tube Solar Panel
  • Lower profile than our standard panels (100mm projection from roof ie 20mm lower than our standard panels)
  • WAS £414
  • SKU:4720AL

    Availability: 20 or less


    WAS £414.00

    Lower Profile than our standard panels (100mm projection from roof. 20mm lower than our standard panels)

    Slimline 20 tube solar panel - high efficiency 47mm double wall evacuated tube solar collector

    The slimline SFB-AL Panels were designed for areas with strict planning permission where a typical SFB panel would have pretruded too far from the roof. In almost all areas planning permission now covers the standard SFB panel, the SFB-AL's slim design is simply an aesthetic preference for some. For more info see our planning permission section.


    Panel dims: 1660 x 1425 x 133mm
    Weight: 49kgs
    PanelArea: 2.3m2
    Active Tube Area: 1.41m2
    n0: 0.601
    Heat Loss Coefficient a1: 2.101, a2: 0.009
    Peak (W): 751
    K5OT: 1.93, K5OL: 0.92

    Tube Length: 1.5m
    Width of absorber (internal glass tube): 37mm
    Casing Material: Stainless SteelFilling Volume: 1.1ltr
    Width of EntryExit Pipe: 22mm
    Thickness of Collector insulating material: 65mm
    Heat Transfer Medium: Water mixed with 40% Navitron Glycol antifreeze



    1. The application of our patented technology improves heat efficiency.

    2. Metal-glass evacuated tubes with heat pipe provide 10% higher efficiency solar collection than normal all-glass tubes.

    3. Show high performance even in winter and under cloudy skies.

    4. Collectors may be connected inseries to increase water heating capacity.

    5. Copper heat pipes for rapid heat transfer.

    6. Corrosion resistant silver brazed copper header.

    7. Glass wool insulation for better heat retention.

    8. Easy installation for mounting on the roof or at ground level.

    9. Tubes areeasy and inexpensivetoreplace if broken.

    10. Ideal for commercial solar water heating applications, especially suitable for largeprojects.

    11. Maintenance free.


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    The team here at Navitron pride ourselves on ensuring that our products arrive fast and in excellent condition to our customers, which is why our delivery charges will depend on the type of product you have ordered.

    At Navitron we go that extra mile in taking special care when packaging our large and fragile products. We also select specialist carriers who are frequently shipping fragile and complex products. Our delivery prices reflect this attention to detail and carrier expertise.

    A lot of our larger items have to be shipped by pallet or on dedicated vehicles to ensure their arrival undamaged. This is reflected in some of our shipping prices for larger items and in most cases you should be able to choose the method that best suits you. Collection is available for everything if you'd prefer to arrange your own transportation, just give the office a call once you've ordered to arrange. We are open 8am – 4.30pm Monday – Friday.

    Regardless of the type of products you want to purchase, we always make sure to group them into as few deliveries as possible, to offer you the lowest shipping prices possible.

    If you have any questions regarding our delivery prices please don't hesitate to contact the Navitron on or call our friendly customer service team who will be only too happy to help on 01572 725512.

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