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Heater Control Valve

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SirLordNick View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SirLordNick Quote  Post ReplyReply Direct Link To This Post Topic: Heater Control Valve
    Posted: 28-August-2023 at 9:03AM
Could you take a picture of your set up so i can see how to possibly replicate?

thanks!
1969 Ford Torino GT, (Vinyl Top/M-Code)
1972 Fiberform Malibu, 21'
1987 Jaguar XJS
1987 Nissan Hardbody Pickup
1998 Isuzu Amigo
2005 Bayliner 175
2012 Nissan Xterra S
2014 Ford Focus Electric
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Post Options Post Options   Thanks (1) Thanks(1)   Quote handsofstone Quote  Post ReplyReply Direct Link To This Post Posted: 28-August-2023 at 8:49AM
I cut in a pair of pex ball valves and took the handles off. If you just need to stop the hot flow to the core you only need one. A leak will need two.
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SirLordNick View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SirLordNick Quote  Post ReplyReply Direct Link To This Post Posted: 28-August-2023 at 6:10AM
So question for the group, mine rusted and busted. Any suggestions for replacement. I've seen originals on ebay for over $225, any other versions of the heater control valve for less and newer?

thanks!
1969 Ford Torino GT, (Vinyl Top/M-Code)
1972 Fiberform Malibu, 21'
1987 Jaguar XJS
1987 Nissan Hardbody Pickup
1998 Isuzu Amigo
2005 Bayliner 175
2012 Nissan Xterra S
2014 Ford Focus Electric
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: 04-July-2020 at 11:11AM
i had a 3 hose heater core in my 68 Montego, i know one thing if you use the right/wrong 2 hoses you'll get no heat.

it just bypasses the core in the side tank that has the 2 connections.

the system may be designed to prevent A/C evaporator freeze up by running only a partial heater core flow path when the A/C is on?


72 GT Ute
   
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schufitz View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schufitz Quote  Post ReplyReply Direct Link To This Post Posted: 04-July-2020 at 7:58AM
Not sure why that is, some brilliant Ford engineer had something in mind. The non AC cars just have 2 ports on the core like most all other cars.
Dave
1969 Torino GT/351W 2V/FMX/Vinyl Top/Black Jade/Gold Stripes/Nugget Gold Buckets/Console/Racing Mirrors/AC/PS/PDB
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: 04-July-2020 at 7:46AM
Why wouldn't they just shut the coolant flow off when not in use like all the other cars Ford made?

"What we do in full frontal view, is more honest than your cleaned-up mind."
Randy
1979 T-Bird
2005 F-150 STX RCSB 4.6, 3.55 LSD
How the Heck does a REGULAR CAB SHORTBED weigh over 5200 pounds?
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schufitz View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schufitz Quote  Post ReplyReply Direct Link To This Post Posted: 04-July-2020 at 7:11AM
The heater cores on the 68-69s (possibly 70-71s?) with factory AC have 3 ports. I believe the valve reduces the amount of hot coolant flowing in the core when AC is on. The valve pictured above was used on 68's, for 69's (or maybe mid year 68 ) they switched to a different style valve, but still 3 ports. I found a NOS aftermarket valve on e pay when I changed my core a few years back.     





Edited by schufitz - 05-July-2020 at 3:23PM
Dave
1969 Torino GT/351W 2V/FMX/Vinyl Top/Black Jade/Gold Stripes/Nugget Gold Buckets/Console/Racing Mirrors/AC/PS/PDB
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: 04-July-2020 at 2:55AM
It looks like it not just dual diaphragm, it sends the hot water two different ways...
Where do the hoses go?
Dual heaters like in a passenger van or stretch Limo?
"What we do in full frontal view, is more honest than your cleaned-up mind."
Randy
1979 T-Bird
2005 F-150 STX RCSB 4.6, 3.55 LSD
How the Heck does a REGULAR CAB SHORTBED weigh over 5200 pounds?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ptac85 Quote  Post ReplyReply Direct Link To This Post Posted: 04-July-2020 at 1:23AM


This is not mine.... but is the prt I am talking about!

tp
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ptac85 Quote  Post ReplyReply Direct Link To This Post Posted: 25-June-2020 at 4:06AM

  I asked this question before without success.... Does anyone know why my 1968 torino gt 390 fastback came with a dual vacuum heater control valve? I have only found online a handful of these cars and only one other in person. Was this factory air...or dealer hung on air? It seems like its quite a unique part so I am glad I was able to buy the only other one I have found. Any help on what this is would be appreciated. I might even be willing to part with it should someone with a need and would return it to a car---would want it.
tp
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