will adding said pump to an unvented system on the cold water inlet to the cylinder work to any great degree, current water pressure standing is 1.5bar anyone had any dealings with said pump.
grunfos homebooster pump
- Thread starter ctp
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I cannot find any info regarding connections to unvented,but if you can connect to the incoming water supply what would be the prob with unvented.
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because thats what it is designed for.
question answered
so the next question, does anyone think it could be of any advantage.....watchout for low flying pigs.............pump fitted on its own.
The problem with connecting pumps to the incoming supply (and why permission is likely to be refused) is that it effectively pulls the water from the main starving other nearby properties.
If you just go ahead and put one on before too long someone will complain to the WA about the loss of pressure at their taps.
Mr Inspector will come along an do some checks, quickly figure out someone nearby has a pump fitted to the mains and you will get a knock on the door and told to get it out.
Taken from the grundfoss literature
The UPA 15-90 is used in open (that means open as in tank fed) systems and may, subject to approval from the local Water Company, (not very likely) be connected
directly to the water main.
The whole problem is you have a system fitted that is not suitable for your supply.[/b]
If you just go ahead and put one on before too long someone will complain to the WA about the loss of pressure at their taps.
Mr Inspector will come along an do some checks, quickly figure out someone nearby has a pump fitted to the mains and you will get a knock on the door and told to get it out.
Taken from the grundfoss literature
The UPA 15-90 is used in open (that means open as in tank fed) systems and may, subject to approval from the local Water Company, (not very likely) be connected
directly to the water main.
The whole problem is you have a system fitted that is not suitable for your supply.[/b]
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You told him it's not designed for the main,but grundfos clearly state it is.
You told him it's not permiseable which dependent upon local approval,again it is.
It's surprising you can't understand or read what the manufacturer of the product states rather than what you believe to be right in your own mind.
Seven Trent have previously given permission to apply a pump
to the main in areas around here upto 25lpm.(location dependant)
You told him it's not permiseable which dependent upon local approval,again it is.
It's surprising you can't understand or read what the manufacturer of the product states rather than what you believe to be right in your own mind.
Seven Trent have previously given permission to apply a pump
to the main in areas around here upto 25lpm.(location dependant)
It is primarily designed for use in open systems but trhey do say that with supplier approval it may be connected to the mains.
However they also say that it must have a minimum inlet pressure of 0.2 Bar.
That precludes using it to "suck" water out of the mains and in any case the water supplier is unlikely to approve that senario.
Its only 40 w power so it hardly going to make much difference to a poor flow rate apart from boosting the pressure to make showers work better whcih is what its primarily intended for. And a very useful item it is too!
Tony
However they also say that it must have a minimum inlet pressure of 0.2 Bar.
That precludes using it to "suck" water out of the mains and in any case the water supplier is unlikely to approve that senario.
Its only 40 w power so it hardly going to make much difference to a poor flow rate apart from boosting the pressure to make showers work better whcih is what its primarily intended for. And a very useful item it is too!
Tony
so why didnt you say that in the first place tony instead of looking down from the high ground, it was only a n idea to see if it was feisable and could benefit slightly low water systems toget a better flow thats all. and it is not so nerr 
You can put a pump on you incoming main as long as it doesn't pump more than 12lpm. More than that & you need permission from the water board.
Give wras a call & they should be able to advise you as to what you cando.
Give wras a call & they should be able to advise you as to what you cando.
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