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Hello I have Potterton Suprima 50L c2003, which has had the PCB replaced by Potterton as per known fault. Generally been pretty reliable but recently cut out a couple of times. No obvious error code and restarted OK. Got engineer out (HES cover) to check out, and he found valve screw on top...

Hi I have what I believe is an open system - header tank / cold water storage tank, "conventional" boiler & separate hot water tank. The header tank is inside the storage tank I think (? space saving as system all in attic). One plumber mentioned to me that it would be a good idea to...

Thanks both

Hello I have a 10 year old Potterton Suprima 50L which, apart from replaced noisy fan & PCB replacement, has worked OK. I've never had it serviced. Should I get this done ? Does it normally include adding anti-corrosion / anti noise agents to system ? It has also never been power...

Looks like dodgy fused spur ..

Hi My timer started flaking out last week - flickering on & off, and boiler responding likewise. Now the timer is completely dead - and no lights on boiler. If timer unit has gone, would this normally kill power to boiler as well ?

Thanks again The reason it needs fixing is that it is really stiff to turn, and doesn't pull the latch completely in - makes opening it very difficult. I'm concerned soon I won't be able to open the door at all once it's been closed. Will just lubricating cure this or do I need to...

Thanks No, happy just to replace like with like (rest of handles are round).

Sorry - really basic question. How do I remove & replace this door handle ? Thanks

Further info - both times it seems to have occurred on turning the shower off. Have booked a sparky to come and check things over.

Yes - I inherited the installation on moving in 5 years ago. There is a single blue circuit breaker switch on the MCB. The rest of the switches are a different colour, but all the same (black, white or grey - can't remember & not at home at moment). It is the blue one that goes when the...

Thank you It's a self-contained shower cubicle. I examined the internal part of shower, and it was dry with no evidence of a leak. All the wiring seemed bone dry. This shower does leak on rare occasions, with water appearing through the ceiling of toilet below on ground floor. I'm...

Hi I have an old Showerforce 1000XM, connected to hot/cold feeds from the attic immediately above the bathroom. There is white switch just next to the attic hatch labelled "Isolation", and has a small picture of a fan on it. Occasionally (usually after sustained use), the shower trips...

Hi I have a Marbo Dimmer Triple 2 way mains voltage 250W switch in my lounge. I bought this as a replacement for previous dimmer, which was broken (although I still have this). Unfortunately the variable resistor fuses (if this is the correct interpretation) are quite sensitive - a bulb...

Googled - aren't they physically combined with hot water tank ? http://www.gasapplianceguide.co.uk/combination_copper_cylinders.htm This combined tank is separate from the hot water tank - the larger hot water feed tank connected to hot water tank via pipe, the smaller "internal" tank...

I will do - but from what I've seen already there's a big black plastic tank next to boiler (hot water feed). Apparently in the bottom of this there is small 2nd plastic tank (the CH feed/expansion tank). He already added some X200, but was concerned that is might be getting into hot water...

Thanks Doing this via the radiator sounds a bit unnecessarily fiddly now ! So I should just tie up ball cock, open the drain tap to drain off some water (without having to mess around with those radiator valves) & untie ballcock ? Unfortunately I have a slightly weird header tank...

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Thanks I have a set of spanners, but not an adjustable spanner. I'll get one. If this is effectively a valve, why don't they just come with a tap cover so it can be turned on/off by hand ?

Do I need a special tool to turn the "flat tab" when isolating the radiator ? It looks like there should be a tap cover that would turn it, but the supplied plastic cover is just a cover & doesn't slot on to the tab. The only thing I have that might work is some pliers, but don't want to...