| [GMCnet] HVAC controls [message #353382] |
Tue, 31 March 2020 18:28  |
Hanson Email
Messages: 110
Registered: March 2020
Karma:
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Senior Member |
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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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