Goodman / Amana / Daikin Modulating Gas Valve Pressure Switch Tubing

If you are working on having an issue with a modulating valve and its not working you need to verify the tubing placement... 

GMVM96 Modulating Furnaces with AA revision at the the end of the model number. 

Goodman/Amana/Daikin Part# 0151M00024S