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Hi The picture you attached is exactly what my system looks like. There is never any hot water not even for a short time. I will try loosening the nut you suggest tomorrow and let you know what happens. thanks

thanks for reply. it is a gravity system. I know how to bleed radiators to let air out, but how do you let air out of the coil in the cylinder??? thanks

Hi Guys Just wanted to check before I replace my copper indirect cylinder, that its what I should do? The system is indirect coil, vented central heating using Potterton boiler from the 70s. The radiators work perfect. However, for the past year we have no hot water. It is a system that only...

thanks I'll give that a go

Thanks for all the replies. Any way I can check for blocked cold feed or coil blockage - Alternatively, would it just be easier to replace the whole cylinder? Thanks

The system has no motorised value. The system cannot be switched to Hot water and/or Heating... Old system from the 70s so when the boiler is turned on, it puts rads on and heats water, there is no option to switch between the two. But thanks for suggestion anyway.

Any advise appreciated... All my radiators upstairs and down all get hot, don't have the master bedroom one turned on (maybe this is an issue), but the Indirect Cylinder in the airing cupboard is cold, so too are the pipes leading in and out. I've checked the 2 tanks in the loft, they both have...

Hi I'm gonna be replacing my old Copper Water Cylinder in the Airing cupboard. Its the Indirect coil type. Can someone just advise what taps and Draining I should do. I can see I have a tap to turn off on the pipe that leads into the bottom of the cylinder. Cannot see any taps on the pipes...

The Cylinder is a Hercules, Height 42" width 18" Just wondered if replacing the whole cylinder with a new one would help with the heating of the hot water. Not sure how difficult it would be, there appears to only be 3 pipes that need undoing, two in the side and one from the top...

thanks for the replies. My Heating system does not have any switches by the boiler that allows me to switch Heating or Water separately. Maybe this is how the old boiler systems worked?? Would you guys suggest I have the cylinder replaced (maybe has lots of limescale as we live in a very hard...

I have a Potterton Boiler (Don't Laugh, from the 70s!!!), to heat water we have to have the heating (rads) on. I noticed there is a switch outside the airing cupboard that is not connected, but the red light glows when turned on. Could I screw one of those long heating elements into the...

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