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    Question Regarding Closed Combi Boiler System

    Hi, I said I'd report back on how it went and here it is. Straight off the bat, let me say, it worked. I switched off the boiler and depressurized the system at the boiler and watched the pressure go to 0. I then closed off the valves to both sides of the radiator in the bathroom which is the...
  2. G

    Question Regarding Closed Combi Boiler System

    Excellent. Thanks I'll try that. I have a wet vac so will get it ready.
  3. G

    Question Regarding Closed Combi Boiler System

    Thanks. I'll give it a go this weekend, and let you know how I get on. I will probably close the valves in the other radiators before I start just in case anyway. Thanks all.
  4. G

    Question Regarding Closed Combi Boiler System

    OK, thanks John506. I thought it wouldn't come out (even though it was higher) because there was no way air could get into the system. If the water drains out and air can't get in, what fills the void where the water was? I just want to understand this logically.
  5. G

    Question Regarding Closed Combi Boiler System

    Hi, Before I start, I have searched through the posts on the internet (and this forum) and can't find a direct answer to my question. If there is one, i apologise in advance. I have a closed combi system and want to replace my upstairs bathroom radiator with a towel warmer. The previous...
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