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Re: Air Condition Leak
Posted to HVAC Forum on 6/12/2019 1 Reply

Not so sure about that being criminal. How much pressure does the water pump produce in the system when at temp and thermostat closed engine turning 2000 rpm.

Those were 15/16 psi systems testing at 18 should be no problem.

We test heater cores at 25/30 ps... Login to read more.

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