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Old 09-04-2024, 03:01 PM
GoreMaker GoreMaker is offline
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Default Sticky Goo For Installing AC Capillary

Seems like the capillary for the AC temperature switch is typically installed with a large wad of black, sticky goo around the thinner evaporator tube. What is this goo and where do I buy some? Can I just wrap it with silicone tape, instead? Seems like that would look way less ugly and insulate the thermistor just as well.

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Old 09-04-2024, 09:06 PM
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4dblnkldude 4dblnkldude is offline
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I call it tar tape. typical in the HVAC/R industry. Stock it at work, yoou can get it at RE Michels or any HVAC store/supply house.

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Old 09-04-2024, 10:57 PM
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Bill Hanlon Bill Hanlon is offline
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The guys in my son-in-law's shop call it "dum dum". I bought a roll of it from O'Reilly's (or was it AutoZone??)and the counterman knew what I was looking for.
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Old 09-05-2024, 09:11 AM
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HVAC supply will have, my furnace guy just put some on my new ac unit.

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Old 09-05-2024, 11:05 PM
70GS455 70GS455 is offline
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It's also called cork tape

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Old 09-06-2024, 10:25 AM
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What was hard to font was the capillary part, I found 2 nOS, bought both.

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Old 09-06-2024, 12:38 PM
gto4ben gto4ben is offline
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Yes. It's cork insulation tape.
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