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I have what appears to be a stock heater valve that does not have a flared end, but the connection to the heater core is a female flare. The valves screws nicely into the flare but, obviously, cannot make a good, tight seal. The gorilla that used to work on this car tried to make this combination work by glopping a lot of sealer arounf the whole operation to no avail. Where should I go from here? Please advise.

Regards,

Ron

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Ron,

Boy, those are two different puppies, aren't they? But if the thread sealant was just smeared on the outside, no wonder it wouldn't work. A good thread sealant - plumbers often use Rectorseal #5 - might work for you. Failing that, perhaps you can find adapter fittings? But with heater hook-up space at a premium.... Good luck.

Larry
Ok, Being a Plumber/Pipefitter for too many years....The two threads are different. Pantera Place is clearly the correct male flair thread. The one in question ? Well I have acouple questions ? Are the threads straight or tapered, they appear straight but does that screw is too easy ? Tight or just fine ? If straight ? Then another question ? Does that fitting unscrew from the housing ? If so the wrong end is screwed into the valve housing ! Otherwise a tappered ferrel of some sort can be machined and push in the end, sort of like the Radiant heating plastic adapters ferrels. As a matter of fact one would probably work. They have orings on the inside and slide int he end of a straight thread. Other wise this is an aftermarket part for anthoer automobile.
The threads are straight (not pipe) and the valve screws nicely into the female flare fitting from the heater core. It's just that my valve doesn't have the flare end like the one at Pantera Place. The fitting does not screw into the valve; the hex you see is part of the valve body. And I certainly agree with your comments regarding any sealer. That's why this little project was put on hold until I had the time to work it right. I'm hoping to find an adapter like you mention. I appreciate feedback.
Ok here is the answer ! The heater core is copper ? Cut the nuts off, trim the flare off, both can be done with a hack saw and dress them up with a file. Go get a Copper x Female Iron pipe size adapter solder it on and screw the striaght thread into it. Or buy a new heater valve or an after market one that goes in line.
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