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Hi I want to increase the level of loft insulation from 100mm to 250mm. My joist are only 100mm high. I don't want to loose the timber as I need some of the space for light storage. I've read on this site that I should cross batten the roof with a timber of 200 to 225 mm x 35 or 50mm...

Hi I should have done this first, but I've just called Worcester Bosh technical. They agree with yourself not to fit an automatic air valve as the boiler will go into purge mode upon starting and vent all air in the system through its own self contained vent, inside the boiler. Sorry...

Hi Thanks for further help. Yes you are right in what you said "If your boiler is GC number 47-311-71 (ie. a WB GREENSTAR 30CDi Conventional) I think YOU'll find that the 'air vent' referred to on page 10 of the manual you probably looked at is a pipe, not a valve!! " This is true but...

I think you'll find that a forum is designed to reach many people and discuss the matter objectively. To get many answers and opinions e.g. the fact that the suppliers states one thing and you give another opinion. Who's to say that the first answer given is not posted by a person who...

Thanks again for the tip. I suppose the answer that we finally came to was .... 1) You don't need to fit an automatic air vent, whilst changing your pipes around as this air intake problem will be resolved by the combined vent & cold intake pipe! The idea of this forum is to share...

Can you please look at the first post I made where I asked specific questions about fitting a Automatic Air Vent

Gentlemen I appreciate the comments and tips but I've just been on the Worcester bosh 30CDI boiler instruction web page and it shows a Automatic air vent at the highest point, in an open vented system. I do plan to change the vent pipe to a combined Vent and cold water fill, to remedy the...

Hi Yes I had the pump speed set to low and the cold fill pipe was free flowing as it new. but thanks for the tip. Should I not bother fitting an automatic air vent and just change the pipes? Rob

Hi I am having problem with air being sucked down into the system through the Vent pipe. I've been told to change the system to have a combined vent & cold water fill pipe, which sound like it will solve my problems. I live in a bungalow so my cold water fill tank is only 50cm above the...

Hi I want to fit an automatic air vent to my central heating system as it does not have one at the high point. I've seen loads of products that look like a small bottle that screws into the system. I've read on one product installation guide that it cannot remove air from the system, when...

Thanks for the tip. I've spoken with a carpenter and he said the same thing. I'll give it a go tomorrow. I suppose the worse thing to happen will be a big pile of doors all hacked to pieces on the drive! Thanks Rob

Thanks guys I think the problem has been mentioned from another posting. I've air being sucked into the system through the vent pipe. So I'm guessing my pump is constanlty circulation air, which is causing the noise. I've now got to do some re-arranging Thanks though

Hi All I'm having a nightmare trying to sort out a door for my lounge. Since the addition of real wood flooring it has reduced the height of the hole significantly. I need a 6 panel door that is either 75" in height or one that I can cut, saw or plane down to size. I'm so confused as B&Q...

Hi Checked the cold fill pipe and it was free from any blockages. The F&E tank is also full. Cheers Rob

Hi All The vent is the 22mm pipe that T's into the top of the horizontal pipe, above the pump and on the left hand side of the picture. The cold feed is the 15mm pipe that T's into the bottom of horizontal pipe, after the vent and before the pump. Thanks Rob

Thanks Tony That solution sounds great. I'll re-arrange the set-up ASAP

Sorry, My manners temporarily disappeared. Thanks you both for your tips

This is a photo of the layout. On the left is the boiler. This is all in a small cupboad so fitting an aerjec is going to be really difficult. http://www.flickr.com/photos/11764523@N05/?saved=1

How do I combined the feed and expansion pipe? I have a Worcester Greenstar 30CDi Conventional in S layout. http://www.worcester-bosch.co.uk/index.php?fuseaction=product.detail&con_id=127781&detail_id=129082 The link above is the layout I copied when installing the boiler. It shows a...

Hi I've tested my system and found that air is being sucked down from the expanion tank, overflow pipe. I want the system right so should I re-arrange the piping or just fit an aerjec de-aerator? My system F&E tank is only about 50cm above the top of the boiler as I live in a bungalow...