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I'm afraid not Tony, I did ask but I was told "you don't need to know" must be main dealer only info ! Do you know ? All knowledge is useful.

Thank you Tony, I called Potty Tech and spoke a good Techy. The answer for anyone else that may need it is :- Old boards have 3 jumpers, newer boards have four jumpers. To change the temp as per the original instructions remove the second blue jumper ie the third from the left. (another...

Surely someone can help

On the Promax 24 HE the manual (p24) details 3 jumpers on the circuit board and describes how the flow temperature can be altered from 82 to 63 degrees by removing jumper 2. The boiler I am looking at has 4 jumpers on the circuit board !! Can anyone explain how the four jumpers function as...

Can anyone identify this plastic decking and supplier ? I need to enquire about sealing strips to prevent water passing through it and soaking the joists supporting it. It is installed on a bridge structure and the joist should be kept dry and the area below it also. Overall width 160mm. Top...

pics of decking planks

Thanks for your reply Tibbot, the head for both the hot and cold is the same really, both from the header tank but will only give 0.1bar at the shower head (1metre from the surface of a full header tank) which, I understand is insufficient for a mixer valve to function properly and give a decent...

Thanks for your reply, I only want the pump to operate for the shower on the first floor and of course it would never be used simultaneously with the bath taps so in this case is teeing off the supply from the pipes (hot and cold 22mm) to the bath taps not dedicating both the feeds to the shower...

I live in Dormer bungalow and the Hot Water Tank is on the ground floor under the stairs and the header tank is in the loft space above the first floor. I want to install a shower in the bathroom on the first floor using a mixer valve, but there is not enough head to give enough pressure and...

Thanks for all your help, the plumber came back today and swapped the pipes around, quite a job. The boiler sounds a lot more smooth and healthy now. He showed us the arrows on the boiler adjacent to the pipe fittings ! The arrows show the direction into the boiler so the return pipe is...

It works OK but it sounds a bit like kettling, tinny sort of sound, the manual say quite clearly which is which and to check they are correct before commissioning as though it is important.

No, I have'nt but I know someone who has.

Can anyone tell me what effect reversing the flow and return pipe connections on an open vented system using with a Worcester 15ri condensing boiler would have please ? Thanks in advance

John thanks for your reply, I would say it is about 30 feet in total, about 15 feet down to garage and 10 feet across and max 5 feet up the wall. The vertical bit is in a concrete duct and across under a suspended floor then chased up the wall.

Can anyone give me a second opinion on this. Our power supply comes from the garage which is below the house. The meter, main switch and a small fused distribution board for the lights and power supply in the garage are all in the garage. The power supply for the house goes up to the main...

Anyone got any ideas on these then ? Can anyone tell me the likely annual service costs for both the Viessmann Vitodens 100WB-1 and the Worcester Greenstar 15ri. Can a frost stat be used with both these boilers or is the climate control system best for setting up when away in the winter ...

Thanks for all your replies, kind of you to spare the time and share your knowledge. Its a good point re availability and using an approved Viessmann installer / serviceman. I had a bit of a job finding an installer and called Viessmann, the nearest is in Plymouth 30 miles and I guess there...

Can anyone tell me the likely annual service costs for both the Viessmann Vitodens 100WB-1 and the Worcester Greenstar 15ri. Can a frost stat be used with both these boilers or is the climate control system best for setting up when away in the winter ? How does the climate control work...