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www.ultimatehandyman.co.uk Forum Index -> Plumbing Forum
-> Central Heating & Boilers |
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 5664
Location: Bath
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 Posted: Mon Nov 17, 2008 2:23 pm Post subject: |
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Not keen on that idea Tony, because the air tend to cause corrosion in the rad.
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Scruff |
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Agile
Gas/Heating Expert
Joined: 18 Dec 2007
Posts: 40
Location: London/Midlands
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| Posted: Mon Nov 17, 2008 2:47 pm Post subject: |
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Its not significantly worse than any normal topping up.
After a couple of days the 20% oxygen is dissolved in the water and later goes on to form oxides if the system has not been passivated with inhibitor.
Its just a simple way to get over some problems at minimal cost ( which is what most of our customers want! )
I do appreciate that your customers with their £200k systems were less concerned by cost!
Tony |
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Stoday
Electricity economics consultant
Joined: 20 Jan 2006
Posts: 3227
Location: Sitting on the Bog
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| Posted: Mon Nov 17, 2008 3:25 pm Post subject: |
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Returning to reality...
The OP wants wants his system to work acceptably for him. The cheapest way to try to do that is, I think, to put the thermostat in another room and to turn the TRV of the radiator in that room fully on. (and the hall fully off, because it seems to be redundant).
The system will then operate as the majority os systems work, that is thermostat in one room, TRVs in the others. This is satisfactory for nearly all people who have such a system. Such a change won't cost much, even if the change is made by replacing the old thermostat with a radio controlled one.
If that's not satisfactory, then the heating system and its controls should be upgraded rather than tinkered with. It won't cost £200k, but the budget is likely to run into thousands.
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