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Hi, Does anyone know the BSP Thread size for the outlet thread of a R5 meter? I am Gas safe registered just don't come across these too often. Cheers Dave.

Hi and many thanks for your help so far. With you advice to date and looking at the old threads I need to descale the heat exchanger. So I am desperate to know how to go about descaling one of these, I have all the kit just not the knowledge of these particular thermal stores, hence my...

Hi, I have a problem with one of these Thermal Store Boilers. Before I go into detail does anyone know much about these? My problem is with 'Hot Water' delivery. Many Thanks Dave

Hi, Just serviced a Trianco TSO 125/1 and fitted a new nozzle, 1.00 x 60 H as per manu inst, pump press set up and flue has been swept but am getting very high CO readings of around 400 ppm with my TESTO 325, measured just below air diverter in flue, CO2 is around 11.2, efficiency and smoke are...

Can anybody give me any guidance on where to find information on Low Loss Header Design for domestic heating systems? Any other guidance or pics would be appreciated. Thankyou.

A friend of my uncles, neighbours great aunt :D is having trouble getting a G H W system 'gravitating' again and heating the HWC. Central heating which is pumped is fine. Here in Norfolk there are plenty of this type of system about and you can't get people to pay out their hard earned...

Hi, I am fitting a Grant Out-door boiler and having just been in PTS and gasped at Fernox Inhib & anti-freeze price, £19 for 5 ltrs and you need 25% to protect down to -11 was wondering is automotive anti-freeze be alright to use? Car engine coolant works in a harsher environment with all...

Hi there, Just spent all day trying to unblock a feed & expansion pipe on a Boilermate 2, tried chemicals and a trusty coathanger to no avail. :( Does anyone know another way of doing it? Is the pipe going into the top of the cylinder open ended at the bottom? I get 1 1/2 mtrs down...

Hi, A friend has a Boilermate 2 and has now had 3 pumps replaced in the primary circuit in just over a year. the current one is very hot and no hot water is forthcoming. Initial thoughts were the Hot water heat exchanger but then if the primary pump isn't playing the Boilermate wont be...