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If everything still works tomorrow i shall make a chocolate offering to the plumbing gods

It just started working again ! (?) Hot water from the tap, and burner is now heating the water for the central heating. I f nothing explodes I think it might just work out...

Hi everybody ! I just (semi-succesfully) replaced the circulation pump on our Vaillant Combi Boiler, but during a first testrun a fitting blew off (overpressure valve on pump wasn't fully seated, my bad) and soaked the whole boiler and tripped the main differential in the house. I...

The pump is replaced, but i've got another problem now. During the first test of the boiler the pipe for the overpressure valve on the pump blew off giving me a lukewarm shower. Unfortunately it also tripped the main differential. I cut the waterflow and immediately started blowdrying the PCB...

Thanks! The Max warmwater-output is rated at 29kW. So i guess that the 178983 would be the correct one then. It has VPAL 5/2 on the label, which seems in accordance with the VPAR-5 on the broken pump. The labels however are different. On the broken pump the silver label is a circle with...

(Part 2) The pump is a Wilo (Silver label with black lettering)2-speed pump VPAR-5 with art. nr. 0020005803. I'm in the understanding that these are no longer used, but now Vaillant uses Grundfos pumps (Black label with white lettering) Q1 : Can anyone give me confirmation that the...

Hi everyone, I've been browsing the interwebs on this matter a bit, but this forum is the only one that gives any answers, so here goes. When we bought our house (in Flanders, Belgium) it came equiped with a Vaillant Combi Condensation Boiler. I've never found any paperwork on it anywhere...