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Mark999

Willerby aspen boiler odd problem

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Hi peeps...odd problem with  our boiler in our aspen....2005..caravan was moved from another site before purchase..ever since purchase the boiler has very very slow weep into a tray we placed under it..can live with it but after cleaning tray out last month it's stopped totally.....had heating on and off...no weep..is it possible that it's rain down flue or getting past  a seal on flue? Proper poured down last  few days and still a dry tray..should add that  the water in tray is slightly greasy/oily but I think stop leak was added to system by previous owner....

 

 

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13 hours ago, Mark999 said:

 

 

Just a guess!   The movement of the van has caused one of the flow or return unions on the boiler to start leaking.   As the unions heat up they expand so they begin to leak - or maybe stop leaking.   They need checking whilst they are hot.

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On the boiler there could be a drain point screw that needs tightening up - we had this on a house boiler which took a bit of finding. With the mains water supply isolated to the boiler, does the pressure gauge on it show the pressure is falling if the heating is not used for a long time - if so there could be  leak on the heating side.

 

The heating side should have anti freeze in it which might be coloured (you could check by taking a bit out of a radiator bleed screw) - if so is the tray coloured from the drips ? The drips being greasy oily could be anti freeze rather than a stop leak additive, does it have a curry smell to it ?

 

You could pull off the front cover of the boiler and look for any signs of a leak which if not leaking now could have left stain marks. If you do not have a manual for the boiler these can usually be found on the boiler manufacturers web sites and this will show how to remove the cover if it is not obvious.

 

Your site is likely to want you to have a boiler service or gas check every year so if you do not find anything wrong make sure the boiler technician checks it as part of the service.

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