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heater hose variable valve?

 
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Old 20 Mar 2015, 06:55 am
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Default heater hose variable valve?

What does the heater hose variable valve do? Is it to reduce flow of water? Just asking as mine broke and getting a replacement is nearly impossible!!!
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Old 20 Mar 2015, 07:22 am
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Default Re: heater hose variable valve?

Found this on the Dodge forum:

another term for a variable restrictor valve is a back pressure regulator.

This explanation of a back pressure regulator would then make sense:

Two typical flow control problems are recirculation and warm-up. Because of the large pressure drops involved with high temperature liquids, the fluid may flash. This erodes both the valve and the downstream piping. Additional problems include unacceptable noise and vibration of the piping.

Backpressure Regulators (BPRs) offer a solution to these problems. They are installed in the recirculation piping - normally at or near the return vessel. When there is recirculation flow, the BPR opens, and compresses a calibrated spring. This protects the complete bypass system against cavitation and flashing.


Back Pressure Regulators
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Old 20 Mar 2015, 07:42 am
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Default Re: heater hose variable valve?

Do you think it would be ok to replace it with a straight piece as i cant get hold of one for a few days?
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Old 20 Mar 2015, 07:44 am
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Default Re: heater hose variable valve?

And thanks for the info, tried liking/thanking you but i cant find the right button!
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Old 20 Mar 2015, 07:56 am
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Default Re: heater hose variable valve?

From what I've read while searching for your answer, some owners have replaced that part with a straight pipe but I believe it also helps with getting heat into the core so it might stop you from warming up the interior.
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Old 20 Mar 2015, 08:04 am
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Default Re: heater hose variable valve?

Quote:
Originally Posted by Alltorque1983 View Post
And thanks for the info, tried liking/thanking you but i cant find the right button!
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Old 20 Mar 2015, 12:50 pm
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Default Re: heater hose variable valve?

Alltorque1983

Do you have a 1.6 L motor?
If so, is the valve of which you speak pictured below?

It is an air bleed valve used when filling the cooling system.
No reason a straight tube could not work.

Last edited by sanatanadharma; 09 Nov 2016 at 09:58 am.
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Old 20 Mar 2015, 01:18 pm
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Default Re: heater hose variable valve?

Thanks for the info!! Its only a temporary fix so i can still use the car to ferry the kids about until Wednesday when the new part will be in! Its a 2.0 so has what looks like a plastic coupling with a spring loaded diaphragm in it.
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Old 20 Mar 2015, 01:43 pm
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Default Re: heater hose variable valve?

Quote:
Originally Posted by Alltorque1983 View Post
Thanks for the info!! Its only a temporary fix so i can still use the car to ferry the kids about until Wednesday when the new part will be in! Its a 2.0 so has what looks like a plastic coupling with a spring loaded diaphragm in it.
Like the one in the link from my first post?

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Old 20 Mar 2015, 02:19 pm
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Default Re: heater hose variable valve?

Looks like this....
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