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Hi All I live in a house that's built on a raft foundation so I have a 3ft concrete border around my house. I want to do a rear patio at the back but the first 2 patio slabs will be on the raft and the remaining 4m will be on the soil. As the raft is theoretically always moving...

Last year I pressurised my open vent system. In my airing cupboard (highest part of the system) I now have a pressure vessel and just above that I have an automatic air vent. Now every time the pump stops this vent lets out a purge of air which is quite loud. Is this ok? Does it...

Dear All I have heating system which is pressurized system with Heat Only boiler - in the upstairs airing cupboard there is now a 18l pressure vessel and on the pipe run to this there us a automatic air vent. This valve is the highest part of the system and often gives a little squirt...

What do you mean?

To close the thread off chaps - The Vaillant Group Service engineer attended today and replaced the burner and graphite seal. As someone suggested, my burner was a part of the batch with the new design which was not as good as the previous design. Now the boiler is very very quite, its...

You have a dead leg of pipework somewhere which is causing this within your water supply pipe work is the normal cause of this.

Thanks First service is not due till 17th of dec as it was installed on 17th dec 13. Maybe I will ask them to service it while they are at my house.

Thansk all I have just filled out the online form for service on the vaillant website. Think there is a service engineer on the same road as mine, as I see the van every morning with vaillant group service on it.

Dear All I have a 12 month old Vaillant ecotec 418 - when it starts up especially for the first time in the morning or evening it starts with quite a large boom from inside the boiler, also on the flue I have a plume management kit which on the end has a bird guard, on the first start the...

Just get a Sangamo solar dial (Q551), it will track the daylight by time and has 1 user set switch off point as well as dawn - will last you years and you can pick them up on ebay for £40-50.

Any idea chaps

Dear All Last week I have pressurized my open vent system and changed over all of my old rads to new quinn rads. I have filled up the system and added some cleaner into the circuit. The cleaner has been running in the system for 4 days and the system has been used to heat the house for...

Ideally I would crack the fitting and apply around the olive and remake the fitting. BUT LSX will also work in the scenario you have said.

I use Fernox LSX when sealing baths and sink wastes - never had a leak yet even on cheapo wastes.

I use Fernox LSX when sealing baths and sink wastes - never had a leak yet even on cheapo wastes.

Could be your condensate draining?

Any answers/guidance chaps?

My system is currently quite clean! When changing a large number of rads in a house to new rads is it best to run some system cleaner in the system for a few days to remove the manufacturing oils from inside the rads?

2013 Vaillant Ecotec 418