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Possible blocked main heat exchanger.....

Richest man in the graveyard :D

it sounds like, the gas valve needs setting up correctly by an RGI.

8 hours for 4 TRV`s :shock:

Have fitted in excess of 100 of the heat only without a single fault (tempting fate now :shock: ) http://www.avantarange.com/heating_boilers.html As advised use the whole house calculator first to ascertain what size you require. 5 year parts and labour warantee (dependant upon installer)

Or the pressure relief valve is letting by...... tie a plastic bag around the discharge pipe to check for this.

Symptom of a faulty P.C.B, very common fault on the microns, we must have changed 30+ There have been 7 modifications/updates to the MicronFF P.C.B since this piece of junk was released. The latest modified board seems to have solved the intermittent lockout problem.

City & Guilds Level 3 NVQ in Domestic Natural Gas Installation and Maintenance 100/1919/4 This would be the ideal route if you were wishing to enter the gas industry.

You could even replace it with an up to date sangamo 7 day electronic control http://www.sangamo.co.uk/web/site/Products/RPTS/e850_series_standard.asp Great timeclocks, will probably out last the boiler.... You just need to determine whether you have a 3 or 4 pin currently, then its just...

You can remove the actuator from the valve & check that it drives for at least 10 seconds, if so the valve itself is jammed, have had a few of these.... Have a look under fault codes http://content.honeywell.com/UK/homes/Technical/Yplan%20Installation%20Guide.PDF

Honeywell smartfit installation... F4 fault is 3 port valve jammed, either seized or the actuator isnt travelling fully.

Ignoring the CORGI laws, where does it say that in the GSUR which is the real law of the country? Tony Ingenious.. lets all ignore corgis advice Why not go the full hog, cancel your corgi registration & let your a.c.s expire? :D

I actually phoned CORGI a while back for clarification on this. I was advised that Landlord safety cert`s must be carried out both annually & every time there is a change of tenant. The reasoning behind this was to cover the possibility of the ex-tenant taking appliances with them e.g cookers...

Pump L - 9 N - 2 E - 3 Boiler connections SWL - 10 L - 1 E - 3 N - 2 Pump L - 9 N - 2 E - 3

Try this www.omegaflex.co.uk

By the way the answer your looking for is a maximum volume of 0.035m cubed.......

Hi Gforcejames, recognise that corgi number a fellow Connaught gasfore employee... James Richards by any chance?? Use to work out of Wrotham office, now working out of Bromsgrove... Glad to hear that mr Price has moved onto pastures new....!!