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Hi Guys,

Anyone out there have an example of a Heater Hose Control Valve they are using to be able to selectively allow or disallow coolant to reach the heater core?

Is this generally done at the manifold or in-line on the heater hoses themselves?

Thanks a lot!

-Stan



It's usually mounted inline on the 5/8" heater hose and is either vacuum or cable controlled. Opened when you want hot coolant flowing through the heater core and closed when you don't.