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Old Jul 15, 2021 | 11:40 AM
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Default What is this

Can anyone tell me what this vacuum is for?
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Old Jul 15, 2021 | 11:46 AM
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Originally Posted by Waltzee
Can anyone tell me what this vacuum is for?
Heater Control valve
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Old Jul 15, 2021 | 03:51 PM
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Thanks
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Old Jul 15, 2021 | 06:28 PM
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Originally Posted by Waltzee
Can anyone tell me what this vacuum is for?
Shuts off hot water to heater core when cool or AC is called for.
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