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I know that bronze pumps are normally specified for DHW secondary circulation, but I recently noticed that what look that normal domestic heating pumps with plastic bodies are sometimes used for the secondary circulation on storage combis - e.g. the Saunier Duval Isomax. Can anyone think of...

I know this is an extremely long shot, but does anyone happen to have an aluminium condensate collector for an 80mm twin pipe flue system knocking around? The original was supplied by Chaffoteaux to go with a Britony combi, but was actually made by Ubbink, who still list the product but...

Now the week-end is here it's time to forget about plumbing and play some games.....http://www.harrian.com/games/

I just came across this - For £30 you can register and access info such as boiler manuals. What do you guys make of it?

I need to replace the Wilo pump head on a Biasi M90D 24S. Will a standard Wilo pump head fit, and should it be a 5 or 6 metre head pump (existing head is 0.36 Amp, 83 Watt)?

I've set up a secondary return to an unvented cylinder powered by a bronze circulator (Circulating pumps SE50B). The circulator is controlled by a timer and a pipestat fixed to the furthest point of the circuit. Even though the pump control is set to the lowest power (1 of 3) it's still much...

First it was the Polish Plumber, but now.....

I've recently installed a Telford Tempest unvented cylinder with a Keston C25 boiler. All fine, but the corrugated stainless steel coil in the Tempest vibrates when water is pumped through. At certain slow pump speeds this seems to resonate and cause a loud buzzing noise. I'm thinking of...

Does anyone know what a BG C1 combi boiler is in reality? A Worcester Bosch perhaps? Is there anyway of accessing information about BG badged products on-line?

MOD 2 the post that was deleted had an advertising link in it to a pay site untill admin tell me otherwise they will be removed if you want to complain about this action [email protected] your post was deleted as it had nothing to do with the topic it was...

This is now in the public domain. http://www.gas-news.co.uk/TB_183.pdf The installer has been dealt with by the Courts, but what about the appliance manufacturer and the independent testing house (Notified Body)? Should an appliance have been put on the market with an adjustment to...

Those who think the whole gas safety thing is over-hyped might like to reflect on this - http://www.southwalesargus.co.uk/display.var.927059.0.gas_fitter_admits_girls_manslaughter.php It's been discussed on other forums (ARGI, Gas-news), although this report gives better info. than we had before.

Just read on the Argi site that Tim Ottridge, MD for registrations, has resigned from Corgi after only a year in post. Corgi say they will not replace him but will slim down their management structure. Tim has apparently had another offer outside the gas industry.

I have to specify a shower pump for a standard bar shower and, possibly, a second low pressure shower which currently works on gravity. The customer is very sensitive to noise so I want to identify the quietest pump available. Any suggestions?

While on the line waiting for Vaillant Technical to reply, I thought I'd fill in the time (30 mins so far! - "you're call is important to us and we are sorry for the delay, but please be assured that we are doing out utmost to answer you" :roll: ). I have condensate leakage from near the...

Condensing boilers require return temps of below 55C to condense and achieve higher efficiencies. With regard to CH this can be achieved on a 20C temp drop with a flow temp of up to 75C (say 70C to allow a margin). Return temp will then be around 50C. In warmer weather the flow temp (and...

I have a diverter valve (ACL lifestyle) staying in HW position on a Worcester 280 combi. Can I expect this to be just a matter of fitting a new synchron motor or should I be looking for a Worcester spare part?

Central Heating. This post lists alphabetically the elements of a typical domestic Open Vented Central heating (CH) systems for the benefit of the novice. Sealed systems may eventually be covered too, but initially this post is confined to Open Vented Systems. Please note that not every...

Filling loops - How to restore the pressure in a sealed heating systems. Thanks to several contributors. Sealed heating systems, as are almost always found with combi boilers, need to have their pressure checked and topped up from time to time. In most cases the pressure gauge will be on the...

How to flush a heating system with mains water. The steel elements (radiators) in heating systems tend to corrode over time, the speed of this depending on how much oxygen (air) is available and whether a chemical inhibitor has been added. The corrosion products are mainly hydrogen...