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Help identifying pictured part

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Old Jul 31, 2018 | 09:51 PM
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Help identifying pictured part

I know there’s a guru out there that can tell me what this part is in the pic. 05 F250. 6.8 v10. The vacuum hose popped off and the AC wouldn’t blow cold anymore. Found it right away and putting it back on fixed it but now it’s bothering me that’s I don’t know what that dohicjybis called. Please educate me!
 

Last edited by Primetime1; Jul 31, 2018 at 09:53 PM. Reason: Spelling and my phone won’t let me get to the dohicky word!
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Old Jul 31, 2018 | 10:05 PM
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Heater control valve. It shuts off coolant flow to the heater core when not in use.
 
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Old Jul 31, 2018 | 10:05 PM
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heater shut off valve
 
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Old Jul 31, 2018 | 10:42 PM
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Thank you Gentlemen!
 
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Old Aug 1, 2018 | 05:55 PM
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By default, it is closed when the hvac is set to off or max ac. Any other time it is open.
 
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