Auxiliary heater

1996 FORD E-SERIES VAN
150,000 MILES • V8 • 2WD • AUTOMATIC
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ITBROKE
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what is the proper I.d. of the auxiliary heater hose? Inner and outer diameter. On my vehicle this diameter appears to be 5/8" but the outside is 1". Typically replacement hose is 5/8" inside and 3/4" outside. Could be this was changed from the factory installation but maybe there was a reason for 1" outside diameter from the factory that is important for the rear heater. Insulating value maybe?
Oct 22, 2018 at 1:31 PM
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STRAILER
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Yes is sound like it because the ID is 5/8's can you shoot a picture and upload it so I can be sure? Cheers, Ken
Oct 26, 2018 at 12:38 PM
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ITBROKE
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Thank you for your reply Ken. Yesterday I had to get in to town so after conferring with a mechanic or two we opted for 5/8" ID and 3/4 OD. This seems to be a common automotive application so the plan is to put pipe insulation on these auxiliary heater lines to boost the heat in the van. Thank you for your response. As long as I have to drive these old beaters, I will probably be looking for more help.
Oct 26, 2018 at 1:01 PM
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STRAILER
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Excellent, we will be here for you. Use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers, Ken
Oct 27, 2018 at 10:21 AM