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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Hi,
I'm havining a go at installing all the pipework and rads for a new (combi boiler) central heating system to keep the costs down. All seems to be going OK, but I've got a question. I live in a bungalow and therefore becuase my pipework has to run through the roofspace, it's higher than all the rads and the boiler. Basically my flow and returns and both inverted loops. What do I use to vent the air at the top of these loops. I know it probably sounds like a stupid question, but I've been to B&Q and some of the online DIY/plumbing stores and the choice isn't very clear. There's lots of advice around about venting air from radiators, but that doesn't really help me. The main 'backbone' of the system in the roof is 22mm copper pipe if that's imporant. Thanks in advance. |
#2
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aaron_wolves wrote:
Hi, I'm havining a go at installing all the pipework and rads for a new (combi boiler) central heating system to keep the costs down. All seems to be going OK, but I've got a question. I live in a bungalow and therefore becuase my pipework has to run through the roofspace, it's higher than all the rads and the boiler. Basically my flow and returns and both inverted loops. What do I use to vent the air at the top of these loops. I know it probably sounds like a stupid question, but I've been to B&Q and some of the online DIY/plumbing stores and the choice isn't very clear. There's lots of advice around about venting air from radiators, but that doesn't really help me. The main 'backbone' of the system in the roof is 22mm copper pipe if that's imporant. Why not just stick a 22mm "T" on both F & R at the highest point then extend up 12 inches or so an bung an air vent on the top of each. Job done. -- http://gymratz.co.uk - Best Gym Equipment & Bodybuilding Supplements UK. http://trade-price-supplements.co.uk - TRADE PRICED SUPPLEMENTS for ALL! http://fitness-equipment-uk.com - UK's No.1 Fitness Equipment Suppliers. http://gymratz.co.uk/hot-seat.htm - Live web-cam! (sometimes) |
#3
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"Pet @ www.gymratz.co.uk" wrote in news:Wl3ee.24905
: Why not just stick a 22mm "T" on both F & R at the highest point then extend up 12 inches or so an bung an air vent on the top of each. Job done. That's about it. I don't know if this is prarper practice but I made the highest point above the flow and return risers from the boiler, and fitted auto bleed valves on tees there. Now someone's going to yell "Aaarghh - anywhere but there!" ;-) mike |
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