combi boiler and shower pump
- Thread starter sumo2001
- Start date
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I suppose it depends if you have a cold water tank gravity-feeding the hot cylinder or not. I would assume that you do, otherwise a standard hot water cylinder won't offer any benefit over just a combi on it's own (i.e. pressure no greater).
If this is the case, then you can fit a shower pump to the hot cylinder outlet. That is the only place to fit one, you can't pump the inlet or outlet of a combi boiler (you probably knew that already
).
A shower pump usually is mounted at the base of the hot water cylinder, so have a look and see if you have any room to do that in your airing cupboard. If not, just place it as near to the cylinder as possible.
If this is the case, then you can fit a shower pump to the hot cylinder outlet. That is the only place to fit one, you can't pump the inlet or outlet of a combi boiler (you probably knew that already
).A shower pump usually is mounted at the base of the hot water cylinder, so have a look and see if you have any room to do that in your airing cupboard. If not, just place it as near to the cylinder as possible.
- not a good start!
The Hot Water output from a combi is usually at mains pressure. A hot water cylinder is usually fed from a cold water storage tank (in the loft). Conventional cylinders are NOT designed to take mains pressure and will burst!
Do you mean that you have a Combi with a heat store - something altogether different?
If the Combi is fed with cold water from a tank, that can lead to another set of problems. That's not how they're designed to work.
Please explain more - better still, do a diagram of the pipes as you believe them to be.[/quote]
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cheers for replies,
i have a tank which stores hot water from my boiler in my airing cupboard i`ve 3 pipes coming in from the top 2 in 22mm 1 in 15mm all with gate valves (i think there gate valves anyway) and 1 22mm pipe coming out or the top of my hot water cylinder and going down through the floor can`t see too muck as my airing cupboard is quite tight with the hot water cylinder.i was planning on putting pump on one of the shelves and running pipes to shower up into the loft and back down as they`ve only got about 3 metres to go
i have a tank which stores hot water from my boiler in my airing cupboard i`ve 3 pipes coming in from the top 2 in 22mm 1 in 15mm all with gate valves (i think there gate valves anyway) and 1 22mm pipe coming out or the top of my hot water cylinder and going down through the floor can`t see too muck as my airing cupboard is quite tight with the hot water cylinder.i was planning on putting pump on one of the shelves and running pipes to shower up into the loft and back down as they`ve only got about 3 metres to go
You /we need to know exactly what's going on with your system. Suggest you get a plumber to look at it. If it's really a normal vented HW supply you will need a CW pipe from the loft tank, and a HW pipe from the HW cylinder via some sort of flange, going to the pump.
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