On 7 Jan 2009, at 15:24, Adrian Stott wrote:

> Your pressure switch is what sets the pressure in the system, and you
> appear not to be replacing that.  Isn't the accumulator is just the
> pneumatic equivalent of a spring?  AIUI, all you need to do is ensure
> that the tank will accept a higher pressure than the switch is set to.
>
If the pressure in the tank is greater than the cut off pressure of  
the switch, then it will achieve nothing, the diaphragm remaining at  
the base of the tank (ie, no water in it) throughout the cycle.
––
All the best

Bruce

There are no strangers on the cut, only boaters we've yet to meet.



[Non-text portions of this message have been removed]


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