On 27 Jan 2021, at 7:34 am, david@... via <david@...> wrote:

I saw a Quincy unit in a shop with two small boxes next to the pressure relief valve. ?Onebox had a red LED light and was labeled “Check Valve Is Defective”. ?The box next to it had a red LED labeled “Check Valve Is Defective LED light is Defective”.

David Best

On Jan 26, 2021, at 12:16 PM, Jerry P <Jerry-Pac-Man@...> wrote:

My Quincy compressor has 2 relief valves in case one fails.
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Jerry P

Life is what happens to you when you're making other plans.
"You can observe a lot by watching."? Yogi Berra