Shaun85 Posted February 4, 2021 Report Share Posted February 4, 2021 Attached are photos of the outlets/inlets of the water tank on board. I have two questions 1. would a metal thread be ok going into the bottom outlet? 2. I think I’m right in guessing the large top inlet is to fill from the deck, but what is the thin bend inlet/outlet for? Overflow? thanks in advanced Link to comment Share on other sites More sharing options...
BWM Posted February 4, 2021 Report Share Posted February 4, 2021 The one that has the bend is a vent and will also function as an overflow, it just allows air to escape when filling the tank. What material is the tank made from? Link to comment Share on other sites More sharing options...
Shaun85 Posted February 4, 2021 Author Report Share Posted February 4, 2021 Not too sure hard heavy plastic isnt a viable answer I’ll have to contact the boat builders Link to comment Share on other sites More sharing options...
Ex Brummie Posted February 4, 2021 Report Share Posted February 4, 2021 (edited) The bottom opening is threaded, just painted over. This will take a nipple to which you can attach a gate valve, or better still, identify the thread size (3/4" BSP ??) and get a full bore lever valve. You can then fit your pipework with the appropriate fittings. Don't forget to extend the breather to an area where any overflow will not cause any problems. Edited February 4, 2021 by Ex Brummie Link to comment Share on other sites More sharing options...
Shaun85 Posted February 4, 2021 Author Report Share Posted February 4, 2021 Thanks for the information, much appreciated Link to comment Share on other sites More sharing options...
Tracy D'arth Posted February 4, 2021 Report Share Posted February 4, 2021 Use only brass fittings in the treaded outlet, iron will rust away and eventually leave you with a slow leak that is hard to trace. A quarter turn lever full flow ball valve is the best tap to use. Put a piece of gauze or nylon stocking over the overflow/vent to keep the spiders and earwigs out of the tank. Link to comment Share on other sites More sharing options...
Shaun85 Posted February 4, 2021 Author Report Share Posted February 4, 2021 Noted ??.... Link to comment Share on other sites More sharing options...
Slim Posted February 4, 2021 Report Share Posted February 4, 2021 21 minutes ago, Ex Brummie said: The bottom opening is threaded, just painted over. This will take a nipple to which you can attach a gate valve, or better still, identify the thread size (3/4" BSP ??) and get a full bore lever valve. You can then fit your pipework with the appropriate fittings. Don't forget to extend the breather to an area where any overflow will not cause any problems. Don't use a gate valve or a traditional stopcock. A full bore lever valve is the only way to go. Link to comment Share on other sites More sharing options...
Dr Bob Posted February 4, 2021 Report Share Posted February 4, 2021 ....and make sure the vent pipe doesnt trap water in it after you have overfilled the tank. Can make filling rather difficult! Link to comment Share on other sites More sharing options...
David Mack Posted February 4, 2021 Report Share Posted February 4, 2021 41 minutes ago, BWM said: What material is the tank made from? It looks like welded 10mm steel plate, painted off white. But that would surely be overkill! Link to comment Share on other sites More sharing options...
Shaun85 Posted February 4, 2021 Author Report Share Posted February 4, 2021 Agreed on Bore Valve. Link to comment Share on other sites More sharing options...
Ex Brummie Posted February 4, 2021 Report Share Posted February 4, 2021 2 hours ago, David Mack said: It looks like welded 10mm steel plate, painted off white. But that would surely be overkill! I was wondering. If steel though, there doesn't look to be an inspection hatch so how would you clean/treat it? Link to comment Share on other sites More sharing options...
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