Recent content by laxhill

Thanks for update Kevin. I was in no way knocking your professional knowledge it was just that you said I couldn't have what I knew I had (if you follow). Having fitted one recently it was a reasonable thing for you to say. For the record the boiler still hasn't "rumbled" since the vessel was...

Thanks Noodlz - fault not tied to trv's time wise but they've been checked anyway. I'm pinning my hopes on the expansion vessel

We agree it's an expansion vessel then :wink: Worcester engineer fitted the new one on Saturday. "It's an updated model" he said. I can only assume they have had some sort of problem with air being trapped or else why include a vent on it? My boiler has been plagued with this 1-2 sec rumble...

Repeat after me - it is an expansion vessel - http://www.worcester-bosch.co.uk/index.php?fuseaction=product.detail&con_id=5070&detail_id=7604 to make it easy it's the red thing on the left numbered 7. The updated model has an air vent on it on the top. I know because I've got one. If you...

ps trvs on every rad except one

Re bleed valve - I might not be describing it correctly. An air vent? It's on the top of the vessel and is a small cylinder with a small black cap on it. The charger is half way down on the side. It is most certainly an expansion vessel.

This sounds to be exactly what I currently have. Noise seems to appear at random, lasts for a second or two. Case sometimes vibrates with the noise. Seems to happen when boiler working "hard". Can happen 6 times in half an hour and then not for a couple of hours etc. Only on central heating...