stuartholmes
LIFE MEMBER
Thank you for the infos guys.They are not tight enough to pressurise the tank. They are a loose fit, so water will just escape around the cap, as well as the overflow.
But I'm puzzled now because on my 'van if I don't push the hose in quite far half the water comes straight back out anyway. So I guess I need one with a long spouty thing on the inside...
Maybe I'll try one of these, tenner isn't too serious.
Water Inlet Hose Filler Cap (Connector Motorhome Vented Unvented Tank) | eBay
The ergonomic design allows you to easily push the connector onto the filler cap, and fill the tank. Water Inlet Cap.
www.ebay.co.uk
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