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Hi Quick question. I'm having building work done and my quote details a Vaillant boiler and Megaflo system. I've been away while they do the plumbing and they have fitted a MAIN 24Kw boiler and a 210 MAIN unvented cylinder. I want a reliable HW/CH system and am not so hung up on the...

Hi Apologies for starting a new thread about my CH/HW issue. I've done this because it's a different problem to the one resolved in the other thread. I've put a schematic of my system in my photo album taken from the boiler's manual. From what I can see, this lower schematic is how my...

Hi I just discovered this forum. I hope somebody can help me out. I just had my CH & HW system power flushed and the guy told me the pump was on the wrong way so he replaced it the right way up. The Potterton Kingfisher 2 boiler, pump and motorised valve are all next to each other in a...