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by mdvUK
Thu Apr 16, 2009 8:55 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Central Heating quote - Fair price?
Replies: 1
Views: 3025

Central Heating quote - Fair price?

Hi I'm looking to upgrade my conventional boiler with a new system boiler and upgrade the hot water cylinder tank in the airing cupboard. The current diverter valve, programmer and cylinder and room stats will remain as they were only replaced in Jan09. Could someone advise as to whether the quote b...
by mdvUK
Sun Sep 21, 2008 7:45 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Bleeding radiators
Replies: 6
Views: 4482

i'm no expert but with my open vented system, i have everything turned off, then bleed all the rads. Bleed all the rads once, then re-visit after the last rad is bled just to make sure. Then I swtich the CH on and let it run for some time( if any TRVs are fixed, turn these up to max). . IF it's a ne...
by mdvUK
Sun Sep 21, 2008 7:33 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Mains Water pressure
Replies: 0
Views: 3785

Mains Water pressure

I'm thinking to install a combi - coverting from my current open vented system. I am currently checking my water pressure. Having purchased a mains water pressure guage, my reading when just this tap is running is 2.5bar. When one tap is open this drops to 1.5bar. I'm on shared water mains at the bo...
by mdvUK
Sat Sep 13, 2008 11:40 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No Hot Water - Central Heating OK - Help!
Replies: 8
Views: 14895

Hi,

I can confirm that when the heating is switched on, the hot water must also be selected. I think it is a 3 port valve. It is an open vented system, and I beleive it is a gravity fed system

How do I remove the airlock?

Many thanks for your help!
by mdvUK
Fri Sep 12, 2008 5:56 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Quote for Vaillant ECOTEC Plus 831
Replies: 3
Views: 5844

Quote for Vaillant ECOTEC Plus 831

Hi All I've been quoted £1900 (all in) for a new Vaillant ECOTEC 831, fully installed with all parts and removal of immersion tank etc etc. The boiler is costing 950, pipe and fittings 200. Power flush 200, rest is labour. Is this about right - can i purchase the boiler myself and make a significant...
by mdvUK
Fri Sep 12, 2008 5:55 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No Hot Water - Central Heating OK - Help!
Replies: 8
Views: 14895

Hi Nitro The diverter is a drayton MA4, it's currently in the mid position and does not change even when the heating is selected. I had some work done a few months ago, (new rads installed) and everything was working fine. This happened suddenly last week.... I've been quoted £1900 for a new Vaillan...
by mdvUK
Thu Sep 11, 2008 8:46 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No Hot Water - Central Heating OK - Help!
Replies: 8
Views: 14895

HI Nitro My cylinder (storage water tank) thermostat is an odd one - the dial has numbers 1-9. Currently this is set 5. I'm having to switch this on to heat the water as the boiler is not storing hot water in this tank/supplying it to the taps. The boiler thermostat is set at 2 (1 being for summer a...
by mdvUK
Tue Sep 09, 2008 6:43 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: No Hot Water - Central Heating OK - Help!
Replies: 8
Views: 14895

No Hot Water - Central Heating OK - Help!

I have a Potterton II Kingfisher RS50 conventional boiler. It's an open vented system (i.e with a hot water storage tank in airing cupboard and two tanks in loft) Central heating works fine, but the boiler does not fire up when the program timer switch is selected to run HW only (pilot light is on)....
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