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John Guest 3/8″ tube Bulkhead Joiner



Used through decks, walls, hulls or roofs where the surface is up to 15 mm or less creating a neat result. Drill or cut a 7/8″ or 21-22 mm hole where you want the tube to pass through the surface. Then screw the joiners stainless nut up tight until both flanges meet the surface firmly on either side and push the tube into both ends of the fitting.  Fix with 2 locking clips and use tube inserts in hot water applications . For an improved weather seal use a product such as silicone around the flange,

For use with potable water

This product is supplied for use with the Heliatos solar water heating system only !. Although his product is made from the same materials as the 12 mm John Guest fittings available in stores stocking boating and RV accessories the tube is rated to higher pressures at the same temperatures it is not “water marked” as is the 12 mm product. The responsibility for installing this product rests solely with the customer and those persons installing it

Additional information

Weight 0.024 kg
Dimensions 4 × 3 × 3 cm