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Old 05-01-2017, 05:49 PM   #1
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Aqua Hot Antifreeze color

Just bought a 2008 Allegro Bus 42QRP. Just took it out and noticed it needs boiler antifreeze but none is visable to determine pink or green. The Auqa Hot is a 650D. Anyone know what Tiffen filled these with? (The unit works so it isnt dry as far as I can tell)


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Old 05-01-2017, 06:53 PM   #2
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Usually Pink

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Old 05-01-2017, 08:17 PM   #3
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You might want to open it up and drain some out. If you mix two different brands it may damage the system. I was told it makes the fluid sticky if you mix them. Tiffin uses the pink stuff
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Old 05-01-2017, 08:24 PM   #4
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Just for clarity its a 450 not a 650
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Old 05-02-2017, 10:05 AM   #5
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Aqua-Hot - Frequently Asked Questions
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Old 05-09-2017, 05:52 PM   #6
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Hi - As far as I know Tiffin has always used the Camco pink boiler fluid. If you get the -100 degree cut it in half with distilled water.


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