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Thanks for that, the R5 is a small commercial sized meter and not listed on the BES website. Cheers

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.

Baxpoti, The Powermax I am working on was previously looked after by DC Heating, the owners uped and went to NZ, they used to descale them at regular intervals due to the hard water in this area, they have appeared on these pages before. I am just after where to connect to to descale the...

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 Baxpoti, Without the central heating onit was pretty cool to the touch and I was surprised at it taking soooo long to heat up. I had to leave in the end and I would say it was around that of the delivery temp. Thanks Dave

Hi John, To go on a rad is imediately restricting the flow from the flusher, I always go on the pump on a OV system. Have plenty of dustsheets down and go upstairs or alternatively purchase some hose extensions, once you start doing more of them boilers are often found in the loft, so long...

Thanks for getting back to me so promptly. Hot water delivery is pretty cool, 32 Degs C, plenty of it though, I even inserted a temporary stop valve on the cold water inlet of the blending valve to prove that what was coming out was going through the heat exchanger. The Hot Water pump is...

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...

Ooopps forgot to include the hyperlink :? http://www.pmmag.com/CDA/Archives/38b99783250d7010VgnVCM100000f932a8c0____

Just found this which goes some way to explain what Low Loss Headers are all about. Just installing a Valliant Ecomax at home so want to get as much info as I can to incorporate a LLH into the system if I can Shouldn't we all be oot supping beer! Tis Sat nite :D

Hi Softus, I only heard about this on Thursday, a guy on a course always installs them into his heating systems but didn't have time to explain. Have a look at this and like me be baffled :!: http://www.contractormag.com/articles/column.cfm?columnid=487 Hopefully someone will be...

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.

Many thanks for your prompt reply. My friend of my uncles, neighbours great aunt is very brave I believe and will give it a try :D :D Cheers

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, It's a open vented system boiler. Will build in a few valves to enable boiler to be isolated should the need arise. Can't use a freezer which will be a bit of a blow but that's the only real drawback I can see in using anti-freeze. regards dave

Save yourself a fortune and buy a quatz from Ebay. Before you scoff there are many reputable companies trading, type in aqualisa on the search and pick one being sold by 'unique plumbing supplies', I have found this seller to be very efficient with great prices. Regards Dave

Many thanks for all your input. I have decided to add enough antifreeze to negate the need for a frost or pipestat with the cost being recouped from lower fuel bills throughout the winter months. On each annual service the sg can be checked just as in a car, to ensure suffuicient...

Thanks for that 2sheds. A thought occurred to me, don't get many of them!! The scene, bitterest winter for years, -10 ootside and freezing wind, power is cut off, whats doing to protect the boiler? I'm now thinking to spend £120 on sufficient antifreeze to protect down to say -15...

Thanks for the replys chaps. Hadn't thought of the valid issue 2sheds raised, will definately not use automotive anti-freeze and will go the pipe stat route with the onboard frost thero. Cheers Dave