On Aug 26, 2014, at 2:01 PM, Randall wrote:
>> You need to check the Schrader value with the tank empty of water and no
>> pressure on the water side (drain open). With the tank empty of water
>> there still should be some pressure on the air side of the bladder,
>> can't remember the amount.
>
> Another, less scientific approach, is to just close off the inlet and open
an outlet where you can see it. Wait until the flow stops, then add a little
air. If you get some more flow out, add a little more air. Repeat until the
extra air doesn't dispel any water. That will still be less than it should
have, but enough to prevent water hammer and rapid cycling.
>
What's causing the water hammer? I've never heard of it when something turns
_on_.
jim
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