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Subject Topic: Alde Heating System Leaking Fluid Post Reply Post New Topic
02/7/2017 at 8:14pm
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View sja1951's Profile View Profile   Reply to sja1951 Reply   Quote sja1951 Quote  
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Hi Guys,

I have what I think is an Alde 3020 boiler and one day I noticed a drip of anti freeze liquid from a small black rubber pipe under the van.

The boiler looks like the one pictured here:

http://www.alde.co.uk/itemdetails.php?itemId=1

The black rubber pipe from the round brass fitting in the above photo (almost at the top centre) goes through the floor to drain to open air below the van. (maybe an overflow or drain pipe) This pipe started to give a steady drip of the heating anti freeze fluid, thus draining the expansion tank. I folded this rubber pipe over hence blocking the drip and then topped up the expansion tank.


However where the pipe pushes unto the brass unit, it started leaking due probably to the back pressure. Would I be right in thinking that the “brass unit” has developed a fault and requires replacing in order to correct the problem?

As I plan to leave for our summer trip next week and all the local workshops are fully booked, I am now looking for any help I can get as blocking this "overflow" pipe does not sound like the best idea that I have had.



-------------
Sammy A


02/7/2017 at 8:59pm
 Location:  Dumfries
 Outfit: 2022 CoachmanVIP 2022 Pilote P696GJ
View neil and lena's Profile View Profile   Reply to neil and lena Reply   Quote neil and lena Quote  
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I think from what you describe the leak is coming from the automatic air bleed valve which happened to me also
Sometimes it can be a small piece of dirt which jams which stops the valve from closing completely .
Alde told me try tapping the valve with rubber mallet or similar which I did and it partially cured the problem but in the end I had to get a replacement fitted .
When the heating system is running and up to temperature try that and it might dislodge any dirt that's trapped .
Failing that its a automatic air bleed valve


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02/7/2017 at 9:34pm
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Thanks Neil & Lena,

Did tapping the valve cure the problem in the short term as we are booked to leave next week and all the workshops are booked out for the next month.

Did you eventually buy the part and fit it yourself and did you have to drain the whole system?

-------------
Sammy A



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