Potterton overheat

My old Kingfisher RS60 has started to boil the water even with the boilder thermostat set to the minimum possible.
The wall thermostat works Ok and turns the boiler on and off and also the hotwater tank thermostat will do the same.
As both the hot water and heating pumps are running OK and the hot water tank heats the water and the rads get hot I am guessing the boiler thermostat is shot.
I have the maintainance guide for the boilder which explains how to change it and lists the Part as either -
Thermostat, Ranco C26 P0610 Potterton Part 404456 British Gas 382 291
or
Thermostat, Ranco C26 Potterton Part 200996
Does the panel think this is the most likely problem ?
If so does anyone know where I can get one ?
Cheers
Steve
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On Sun, 15 Feb 2004 03:37:47 +0000, steve_m wrote:

Yes. Heating spares stockists, eg HRPC, online or real. See Yellow pages.
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Ed Sirett - Property maintainer and registered gas fitter.
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they have a web site as well. if you mail them they will reply with a quote for the part number you give them. rob
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I tried HRPC for my diverter valves and they were mega expensive 130, above quoted 55pvat, rob
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Cheers
Steve
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Thanks people -
Emailed specialistheating.com yesterday morning ,got reply and ordered part, arrived this morning, fitted it in less than 30 mins and now have boiler back under control !
Cheers
Steve
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