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Post by quaysider on Oct 2, 2016 5:56:39 GMT
Now I know "ginners" shouldn't really be doing this type of thing but I'm the exception to the rule... Yesterday, we visited friends on their sailaway - to take at look how they did their webasto connections etc. I didn't notice a filling loop (from the main water supply) to the heating circuit like I did on the house ... they topped it all up from the header tank. The webasto kit comes with the tank of course but can anyone see any reason why I can't fit a filling loop from the cold water supply on the boat... with a tap of course, to make it easier?  |
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Post by JohnV on Oct 2, 2016 7:14:16 GMT
Now I know "ginners" shouldn't really be doing this type of thing but I'm the exception to the rule... Yesterday, we visited friends on their sailaway - to take at look how they did their webasto connections etc. I didn't notice a filling loop (from the main water supply) to the heating circuit like I did on the house ... they topped it all up from the header tank. The webasto kit comes with the tank of course but can anyone see any reason why I can't fit a filling loop from the cold water supply on the boat... with a tap of course, to make it easier? nope .......... I fitted one when I installed my system last summer .......... remember you will only pressurise to the maximum psi of your fresh water pump. In my case that was only a gnats cock below the recommended level. |
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Post by quaysider on Oct 2, 2016 8:44:38 GMT
presumably, if I somehow 'over did it' it would end up in the header tank anyway right?
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Post by peterboat on Oct 2, 2016 12:00:35 GMT
It would But I have antifreeze in my system so I keep it separate from the water system also I think my heating system can operate at a higher pressure than the water system so it could feed back..............antifreeze tea anyone?
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Post by JohnV on Oct 2, 2016 13:20:06 GMT
presumably, if I somehow 'over did it' it would end up in the header tank anyway right? Ah !!! I might have misunderstood your system ....... I believe "filling loops" are normally used on sealed systems (which mine is) which do not have a header tank. You pump up the system to the correct pressure when cold, the expansion vessel accepting the increased volume when the temperature increases. If you have a header tank, your system is presumably an open vented system (un-pressurised). In that case yes you can plumb in a fresh water feed to your header tank from your domestic system via a valve and a one way valve (which is to stop any possible contamination of your drinking water) but I was not aware that this was also called "filler loop". Your only problem will be knowing when the header tank has the correct quantity of water. (if Smiley Pete was around he could give you chapter and verse ....... incidentally his notes on CWDF are an invaluable guide to many things) |
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Post by loafer on Oct 2, 2016 18:56:44 GMT
Can't anyone drag Smiley over here? I can't get in now and I haven't yet engineered another sock puppet. I've forgotten how I circumvented the cookie thing, which is stopping me even being a lurker!
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Post by JohnV on Oct 2, 2016 19:00:03 GMT
Can't anyone drag Smiley over here? I can't get in now and I haven't yet engineered another sock puppet. I've forgotten how I circumvented the cookie thing, which is stopping me even being a lurker! He is a member and occasionally visits. I think he just gets a bit pissed off when being asked the same questions over and over, when most of the info is in his notes PS nice seeing you back and active on the site Loafer |
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Post by quaysider on Oct 3, 2016 19:05:55 GMT
Can't anyone drag Smiley over here? I can't get in now and I haven't yet engineered another sock puppet. I've forgotten how I circumvented the cookie thing, which is stopping me even being a lurker! He is a member and occasionally visits. I think he just gets a bit pissed off when being asked the same questions over and over, when most of the info is in his notes
PS nice seeing you back and active on the site Loafer thanks for that - I've just had a look through and printed out a diagram that will be useful ..... most of the time I DO think to search the topics before I ask questions over there.... less so here as I think the questions will help raise the place's profile in google ... ergo I'm doing my bit |
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Post by tonyt on Oct 3, 2016 19:51:50 GMT
My system with a webasto is filled via the header tank. It's a pain when initially filling the system through a funnel and trying to bleed the air out. Other boats I have looked at have the same set up.
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Post by smileypete on Oct 13, 2016 22:39:18 GMT
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Post by quaysider on Oct 14, 2016 18:51:29 GMT
smashing - thanks ever so much for that Pete.
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