Combiner Boxes


A combiner box houses the parallel connections that are necessary when multiple solar panels are used in a system.  A combiner box also provides an easy access point for future panel additions and is typically located near or over the roof penetration.  The weather tight strain reliefs used in the connections to the combiner boxes come with the SunRunner Panel Kits or can be purchased separately.  

Roof C-Box
80.00

This C-box is for efficiently combining solar panel output cables and sealing off a roof penetration. Its rugged and spacious design make installation and trouble shooting very easy.

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Refrigerator Vent C-Box
60.00

This c-box is the answer for efficiently combining solar panel output cables in situations where a refrigerator vent, rather than a roof penetration, is used for cable routing. Its easily removable outer shell simplifies installation and trouble shooting.

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Combiner Box Accessories:

Liquid Tight 1/2" Strain Relief
3.00

This part enables a liquid tight seal for our 10/2 cable entering a combiner box.  Cable range of .230"-.546".

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Liquid Tight MC4 Strain Relief
3.00

This part enables a liquid tight seal for the positive and negative leads of 10ga. solar wire with MC4 connectors entering a combiner box.

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Liquid Tight Standard Strain Relief
2.25

This part enables a liquid tight seal for our 6ga through 2ga cable exiting a combiner box when not using a roof penetration.  Cable Range of .170"-.450"

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VHB Tape, two 5" Strips
6.00

3M VHB tape is used to secure mounting feet and combiner boxes to fiberglass or metal roofs (not rubber).  Cut each 5" strip in half for each of four mounting feet per panel.

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Dicor Sealant
10.00

Dicor protects the VHB tape from the elements.  Use it to seal around mount feet, cable management hardware and combiner boxes attached to roofs.  Do not use Dicor on TPO roofs.

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Sikaflex 221 Sealant
12.00

Ideal for Airstream roofs, Sikaflex protects the VHB tape from the elements.  Use it to seal around mount feet, cable management hardware and combiner boxes attached to roofs.  Do not use Sikaflex on TPO roofs.

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TPO Sealant
13.00

Specially formulated for TPO roofs, Includes primer bottle with enough solution for two panels and dispenser.

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