How to Measure the Total External Static Pressure on an HVAC System.

[@victorsr6708]

Good job explaining and demonstrating

[@Faruk651]

-0.03 static pressure on the return? I assume there is no filter installed in that test unit.

[@ashrafsaad1414]

Thanks

[@billybbob18]

TXV bulb just flapping in the breeze.

[@pedrocastano6410]

He's not an hvac specialist, he only check static pressure, lol.