Re: micro power square wave oscillator

Michael A. Terrell wrote:
Joerg wrote:
Considering the cost of PVC pipes today (made with crude oil ...) a real
hammer arrester seems like a deal and usually you don't have to worry
about remembering the drainage routine for many years.


Mine is in the old well house, above an outside faucet. If I shut
off the ball valve from the new well and open that faucet, it drains
all the water from the pipe. No extra valves, and everything is in
plain sight, so it's obvious to almost anyone. All it cost was the PVC
tee and end cap.


How long does the air in there last?

--
Regards, Joerg

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