megaflow cylinder
Discussion
I'm keen to get an unvented cylinder to sort out the dismal water pressure we get from our taps. Is it best/easiest to place the new cylinder in place of our old vented one, or is it better to place it where the original roof tank is sited? Any ideas on cost/complexity? Can i retain a open vented central heating system?
944fan said:
Is it just the pressure from the hot water that is poor? Unvented cylinders have hot water pushed out at mains pressure. If the mains pressure is pants it wont achieve anything.
I have a megaflow but we have mains water pressure that can strip paint.
The downstairs kitchen tap is fine. Upstairs it take around 20 minutes to fill a small bath and 5 mins to fill a sink - it really is a pathetic trickle. most of the house is on hold 15 mm bore pipe with plenty of tee offs. A lot of the pipe work must be furred up?I have a megaflow but we have mains water pressure that can strip paint.
Before ordering, get the incoming main tested for it's pressure and flow.
You want 22mm from your mains stopcock to the new cylinder. This may be a pain to do, but you want the best flow rates.
Unvented cylinders need to get a discharge pipe to outside. So near an outside wall is best. Under the right circumstances, you can discharge into a soil pipe.
Due to being mains pressured, they can be located pretty much anywhere.
You want 22mm from your mains stopcock to the new cylinder. This may be a pain to do, but you want the best flow rates.
Unvented cylinders need to get a discharge pipe to outside. So near an outside wall is best. Under the right circumstances, you can discharge into a soil pipe.
Due to being mains pressured, they can be located pretty much anywhere.
Gingerbread Man said:
Before ordering, get the incoming main tested for it's pressure and flow.
You want 22mm from your mains stopcock to the new cylinder. This may be a pain to do, but you want the best flow rates.
Unvented cylinders need to get a discharge pipe to outside. So near an outside wall is best. Under the right circumstances, you can discharge into a soil pipe.
Due to being mains pressured, they can be located pretty much anywhere.
Am i right to assume that the feed to the loft tank will be from the water main? If so, should i take the 22mm feed from the loft down into the cylinder?You want 22mm from your mains stopcock to the new cylinder. This may be a pain to do, but you want the best flow rates.
Unvented cylinders need to get a discharge pipe to outside. So near an outside wall is best. Under the right circumstances, you can discharge into a soil pipe.
Due to being mains pressured, they can be located pretty much anywhere.
Traditionally the cold main comes into the house, stopcock, kitchen sink cold and then up to the water tanks. Typically.
The pipe after the stopcock tends to be 15mm. Fine for two outlets, but having to supply hot and cold throughout the house is asking a bit much of it.
You can tee the loft cold main into the 22mm low pressure outlet which left the tank to sort the cold out. But it all would need looking at really to make sure the pipe sizes etc are right when distributing around the house.
Can you see the cold mains route to the loft, or easily get it to it's new location?
The pipe after the stopcock tends to be 15mm. Fine for two outlets, but having to supply hot and cold throughout the house is asking a bit much of it.
You can tee the loft cold main into the 22mm low pressure outlet which left the tank to sort the cold out. But it all would need looking at really to make sure the pipe sizes etc are right when distributing around the house.
Can you see the cold mains route to the loft, or easily get it to it's new location?
I had a Megaflow installed and I am very impressed with it. We removed the airing cupboard upstairs to make our bathroom bigger and we now actually have the cylinder downstairs. We have a drench shower upstairs in the bathroom now and the Megaflow pushes a very impressive amount of water upstairs.
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