| [GMCnet] HVAC controls [message #353389] |
Tue, 31 March 2020 19:45 |
glwgmc
Messages: 1014
Registered: June 2004
Karma:
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Senior Member |
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Did that on both my GMCs Dean. Much better than the trouble prone vac valve.
Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR
glwork@mac.com
http://jerrywork.com
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Message: 12
Date: Tue, 31 Mar 2020 16:28:59 -0700
From: "Hanson Email"
To:
Subject: [GMCnet] HVAC controls
Message-ID:
Content-Type: text/plain; charset="us-ascii"
OK Wizards;
I know someone can help me with this issue. It may get your attention off of
crimps and solder (zzzz) for a while. My heater valve (in the hose upfront)
has vacuum to it all the time. Can't really tell if it is more or less with
the control set to heater or off. On a previous '73-23',40 years ago
(really) I researched it and removed the vacuum valve and replaced it with a
ball valve so I could optimize the AC by eliminating any hot water going
through the core. First question is there an easy repair to the control unit
to actually turn on and off the various valves; 2nd question is there any
valves that really work; and 3rd question do you see any problems with
throwing that heater valve away and putting in a ball valve?
Thanks
Dean Hanson 75 Avion- up and raising.
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Jerry & Sharon Work
78 Royale
Kerby, OR
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