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I'm going to be draining down my system this weekend. It's an open vented fully pumped system with a conventional boiler and two mechanical valves. The only place that there are isolation valves is either side of the pump. Is it good practice to have them elsewhere in the system? I have the...

Hi, I was hoping for your advice on something I've noticed. My system is: Potterton suprima 100 (fairly recent new PCB). pump: grundfos super selectric. (set to 3) Open vented separate vent and feed (vent is 22mm). two honeywell zone valves - both two way automatic bypass (set to 2)...

Hi, I'd be really grateful if I could get the advice of any of you guys/gals out there. i've owned a victorian house for two and a half years. It'd had a paint job not long before i moved in. This crack appeared a while after I moved in. It might have got very slightly bigger over this...

Hi, I woke this morning to hear drips falling. I located the leak to the valve on the pipe running from the cold water storage tank in the attic. There was a fair bit of limescale on the underside so I think it must have been going a while. I was unable to stop the leak with either...