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Hi, been having problem with my CH system in a house that we've recently moved into. Worcester Bosch 34CDi combi, 12 rads, system is 2yrs old all piped in plastic. Long story, two rads downstairs dont get hot, one tepid one cold... completely bled all the air out, balanced up the system as best...

I've recently bought an old farm property that has been renovated. The original property used a cesspit for drainage, located some way off the house near the barns. During the renovation, they fitted a new Kingspan Klargester bio disc septic tank system for the drains with all new piping. I'm...

Hi I have an intermittent f1 fault on my glowworm 18hxi I've checked the firing sequence, and can see that the spark is healthy, the boiler ignites, burns for approx 5 secs, then stops, repeats this sequence two more times, then stops and shows F1. When it lights, it doesn't start to...

Hi I have a CH system in our house (10 yrs old from new) 18 rads, fully balanced, Grundfoss 15/60 pump set on speed 3, open vented. System is spotlessly clean inside, has been flushed twice & drained in past ten yrs, always treated with fernox. Rads were balanced a couple of yrs ago, I...

Hi all....I've read some excellent info on this site, so I decided to join and ask for a bit of help myself. CH system in our house (2005 construction) is fully pumped, inc HW. Glow worm 18HXi condensing modulating boiler, 16 rads, all with TRV apart from one in the hall used as bypass. Main...