Automatic Drain Valves - Page 3
 

Automatic Drain Valves

Started by DoubleEagle, September 24, 2020, 06:04:02 PM

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richard5933

#30
September 29, 2020, 12:08:21 PM
Quote from: Jim Blackwood on September 29, 2020, 10:32:23 AM
Is the drain valve also a pressure relief?

Jim

I don't believe that they all are. I've seen types that have a preset limit and then they pop, but on my bus I don't think that they do that. Three of my five are petcocks, so for sure they are not a pressure relief.
Richard
1974 GMC P8M4108a-125 Custom Coach "Land Cruiser" (Sold)
1964 GM PD4106-2412 (Former Bus)
1994 Airstream Excella 25-ft w/ 1999 Suburban 2500
Located in beautiful Wisconsin
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