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2002bob

Air Conditioning Hose Insulation Wrap

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I need to wrap the air conditioning hoses (a/c) that run from the compressor to the firewall to protect them from the heat of the exhaust manifold.  Can anyone suggest an appropriate material & the source for that material?  (Yes, I searched first.  :) )

 

Thanks!

 

Bob

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I bought this stuff from McMaster-Carr:

 

1 7293K3 Heat-Reflective Flex-and-Stay Sleeving, 1" ID 2 7293K4 Heat-Reflective Flex-and-Stay Sleeving, 1-1/4" ID        

 

3 feet of each, for the two hoses. Of course only usefult before evacuating and charging the system.  They do fit over the original flare fitting ends on the hoses.

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I should have noted that I need something that will wind around the hoses or a slit tube that will slip over the hoses, as I don't want to disconnect the hoses.  Thanks for your reply!

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Something like this maybe?

 

www.amazon.com/Heatshield-Products-340020-Thermaflect-Shield

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My A/C hoses have never been 'covered'.  They sit along the fender, more than far enough away from my headers...  Still supple, no heat cracking after many years.

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That looks great, Harold.  I had searched Amazon, but was obviously using the wrong words!


That looks great, Harold.  I had searched Amazon, but was obviously using the wrong words!

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My hoses are not insulated either and I've not had problems with 'em deteriorating with the heat.  However some reflective insulation will allow the A/C to operate more efficiently--and a 2002 air conditioner needs all the help it can get.  

 

Equally important is insulating the hoses from each other where they touch.  They will eventually rub holes in each other--I found that out the hard way and lost some expensive R12...

 

Have you considered the slit foam insulation that is available to insulate household hot water pipes?  Buy at Lowes/Home Depot/local hardware store.

 

mike

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