Recent content by Marvelous

Geez guys, so much to get stuck into for monday. Either way, I will probably start at the stopcock and work away from there. You guys are an awesome source of knowledge. Keep up the good work and I will keep you posted.

Hi AlanE, No I am not certified for unvented cylinders, but it stands to reason as there are safety valves. I just do the pipework and get someone else to install and commission. Saves me time and money. If it were the filter? Why would it effect the cold water system? 2 Blockages?

Did not notice any filters on mains water supply or pipework to and from cylinder. This problem is common throughout. Hot and cold outlets. It it more noticable from the hw though.

Evening ladies and gents, I have a bit of a quandary. A customer of mine has recently had a conversion done with a new 210l Megaflo. All was well for the first 2 years, but has noticed a reduction in 'pressure'. After testing the pressure (2.8 bar) I noticed a dramatic fall in flow rate to...

Not sure of the model of boiler as it looks quite old, but it is a floor standing unit with 28mm flow and return. It is a gas boiler. The system is vented and was worked on a while ago in the summer to convert the rads upstairs from the h/w system to c/h. All seemed fine at the time. They...

I have a large c/h system with 24 rads of varying sizes and with varying types (some cast iron, some pressed steel, some new towel rads). The 3 rads in the loft coversion are cold for at least 3 hours before only 1 of them gets warm. I have done the basics like bleeding and balancing, but still...