Replacement for '71 B Body vacuum-actuated heater valve?
#2485149
04/19/18 04:08 PM
04/19/18 04:08 PM
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Joined: Oct 2004
Posts: 1,074 So Cal, USA
Fab64
OP
super stock
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OP
super stock
Joined: Oct 2004
Posts: 1,074
So Cal, USA
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Hi all,
1971 Satellite w/factory A/C - I'm looking for a valid replacement for the factory vacuum-actuated water valve. This regulates the amount of water going into and out of the heater core. I can get one that is like the original (1st pic, below), but I've read that they were failure-prone even back then.
Apparently, this part was superseded by the factory (pics 2 & 3, below). I have been unable to locate one of these that is vacuum-actuated (cable-actuated is available). One hose goes thru the valve, but I can't tell if the other hose is straight-thru or not(?).
The last pic, below, shows what I have found: Four Seasons/Everco 74690. Notice it only allows fittings for one hose, whereas the others allow both inlet and outlet hoses to be attached. It also says "For cars without A/C". Opinions? All suggestions appreciated, thanks.
Roger
Last edited by Fab64; 04/19/18 04:46 PM.
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Re: Replacement for '71 B Body vacuum-actuated heater valve?
[Re: Fab64]
#2485684
04/20/18 05:01 PM
04/20/18 05:01 PM
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Joined: Apr 2012
Posts: 18,880 -
RSNOMO
Moparts Torchbearer
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Moparts Torchbearer
Joined: Apr 2012
Posts: 18,880
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I've read that they were failure-prone even back then. Got over 20 years on a 'bakelite' A/C water valve... It's doing just fine...
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