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Water Cap with Hose Connector
Makes filling your tank easier and more hygienic
Fits in place of your normal cap temporarily whilst you are filling up
Works with a standard hose connector as used by Hozelock, Gardena and 1001 others!
Unlike some others, this cap has a built in overpressure valve to safeguard your water system against high mains pressure.
This is to fit the Rheinland connector, by far the most common on motorhomes. The cap is a fraction under 8cm in diameter - if you check the last 2 pictures you can see the water inlet on my own van. Yours does not have to look exactly the same as this, but you should see the 3 prongs on the inside of the cap, and the cap should be a fraction under 8cm across.
Note that it does not fit the Fiamma water inlet