Couldn’t quite make it out due to a lot of debris.
Bryan, you and Mark are correct. Your questions helped me figure this out. As I said, I’m new to the business, so thank you all for your input.
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My local utility says “not needed” but the code inspectors still want them.
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The thing is is that the manufacturers still call for them in the installation instructions.
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It is not a dual fuel, and it is not a heat pump. It’s a gas pack.
The thermostat is for a gas pac.
Don’t listen to a homeowner. Learn it for yourself. There is a reversing valve visible through the fan grill if it is a heat pump.
Don’t call out stuff you don’t know. Your job is to turn on heat and cool and see if it responds.
Propane does not require a drip leg. What is a drip leg for, you may ask yourself, or not. It is to stop condensed moisture from the gas from entering the unit gas valve. Propane is a compressed gas that comes in a liquid state. Moisture can not exist in the liquid state at that pressure.
If you want to call something out, try the gas valve we can’t see. There are two supply lines coming out of the regulator. In order to service the HVAC, you have to shut all the gas off, including wherever the 2nd line services.
I would think the LP Regulator directly in front of the furnace flue would raise concerns. Not that it is… 
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