unvented cylinder

Hi I am about to find someone to service our megaflo unvented system and boiler. We feel that there are a couple of problems 1. the water does not feel as hot as it should, I can easily let it run over my hands (boiler set to max) and 2. wife cant have a 20 minute shower without the hot water...

Hi all, I have searched the forum but I cannot find this issue and I have contacted the manufacturer but it is Saturday and they are not back until Monday. System: Premier Plus Unvented Cyclinder with Horstmann Electronic 7 controller. We have had a few power cuts over the last couple of...

I have an unvented heating system with a 300L Gledhill StainlessLite cylinder that somtimes emits a very loud cracking sound (https://clyp.it/4ov2ozv0) when hot water is drawn from a tap. Everything works fine except for this sound which can be unnerving for those who don't expect to hear it...

Hello all - A loud rattling/buzzing sound has developed in the pipes next to our hot water/central heating cylinder. The sound is locating near to the lower Honeywell valve in the attached picture. Interestingly the sound stops when I turn on the hot water alongside the central heating. Hot...

I have a an electric unvented cylinder hot water boiler, the tundish has started dripping water constantly. Is this dangerous? should I switch the boiler off until I can get it serviced? thanks for the advice Jon Untitled by jon21021985 posted 9 Sep 2013 at 12:58 AMUntitled by jon21021985...