How to check gas pressure to Nordyne furnace.

You will first need a tool that will register the gas pressure in inches of water column. Then you will need to find the tap on the gas valve and have an adapter to fit the tap and the tool. The inch water column will usually be listed on the unit info tag or in the service manual. There is also a tap usually located on the gas train to check for pressure drop but that is for a different usage. Good luck.

Manometer gauge. The only problem is if your asking how. You may want to rethink before adjusting or trying to adjust gas pressures on a appliance with out knowing how. Some one may get hurt.