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by robertw63
Wed Dec 19, 2007 8:14 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Upgrading controls
Replies: 7
Views: 3384

Yes of course it will htg engineer, but the original question was whether the (already fitted) thermostat (which is fitted in the LOUNGE ie it is the LOUNGE thermostat) could be altered to a programmable one. Of course it can. Your comments about the other TRVs etc. are correct enough but none of th...
by robertw63
Tue Dec 18, 2007 12:47 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: How do I add a cylinder thermostat to existing system
Replies: 3
Views: 11457

It's not quite as straightforwards as you'd like. USUALLY with these systems the boiler runs all the time the CH or HW is on and the CH is controled by the room thermostat which turns on the pump and diverter valve. This means that the HW is always as hot as the boiler can make it and fitting a ther...
by robertw63
Tue Dec 18, 2007 12:30 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Best place for radiators
Replies: 5
Views: 3996

All things being equal they are better underneath windows for the reasons earlier posters have mentioned. Even double-glazed windows are usually the coldest points in the room and downward circulation from them in winter creates draughts. If you don't like this for cosmetic or plumbing reasons then ...
by robertw63
Tue Dec 18, 2007 12:17 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: adding another radiator to an 8mm system
Replies: 1
Views: 6854

Yes. That's what it's there for. As long as your boiler has the capacity you can just go ahead. Unless you've already added radiators it's likely that your boiler will have enough capacity for another radiator or 2. You only need the pipe and (depending on the size of maniford fittings) maybe a redu...
by robertw63
Tue Dec 18, 2007 12:12 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic:
Replies: -1
Views:

The problem is that the heat losses from the conservatory are probably much greater than those from other rooms and also that the radiator in the conservatory is probably too small (as most of them are!). Unless your conservatory is very new is will not conform to the latest U values. If you do as y...
by robertw63
Tue Dec 18, 2007 12:05 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Upgrading controls
Replies: 7
Views: 3384

Oops!!! And I should have said that you don't really need to change the programmer to do this. You can get room thermostats which can be programmed for different temperatures at different times of day or even as you mention for holiday periods etc.
by robertw63
Tue Dec 18, 2007 12:03 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Upgrading controls
Replies: 7
Views: 3384

I don't agree with this answer. You can indeed do what you say (my house is set up like this) within limits. Your present system isn't 'perfect' anyway because when the lounge thermostat is satisfied the heating will go off whether any of the TRV-controlled radiators is satisfied or not. However tha...
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