On 15/07/10 4:41 PM, wrote:

snip

I made mine with a garden variety Flow Master toilet valve, hooked to
the overflow pipe. The only trick is getting it set to the right level
when you design it.

http://gfretwell.com/electrical/pool%20filler.jpg

There is no overflow valve plumbed into the pool. I haven't seen them on
any pools out here.

Before we re-did the pool and replaced the concrete, there was access to
the pool light wiring from the concrete deck, but the code changed and
now it would be really hard to get to the light wiring conduit to sense
the water level.