I see "former rental club" in your signature. In the long rental post I posted what happened to me after using Sea Foam. A search here doesn't turn up in searches over 12 months old.
Hopefully you won't have same problem, but beware. And maybe RV units are manufactured differently now compared to my 2013 model. I don't think any rental place adds seafoam to their units, but no surprise there.
I added some seafoam and within 200 miles injectors got plugged up. Of course when this happened I had no idea what was going on other I thought maybe fuel filter was bad, even though I changed every filter and fluid on the thing right after buying it.
Sorting out the problem...Talking with an injector business called Dr injector and a retired school bus mechanic neighbor next block over. here's my reasoning. When these things are made, the installation of the fuel line goes from gas tank to generator, holes are drilled in top of fuel tank for the generator fuel line. Those drill fillings fall to the bottom of fuel tank. but newer units are plastic, and don't know if material of tank makes a difference. My tank is alum After years of being sitting at bottom of fuel tank they sort of get stuck. Add something to clean the system such as seafoam and they get unstuck and get sucked up in fuel line and make there way to the engine fuel filter and plug it up. Then the fuel filter goes into "bypass" mode and then plugs of the injectors. More specifically the little tiny screens that some injectors have (such as my 5.4 ford triton.) Injectors at the time $75 each or spend about 4 hours with a bright light and twizzers and magnifying glass picking out junk. Does not include time learning how coil over plugs work and getting to injectors removing and installing back in.
What I would do...put on new fuel filter now , engine and generator (if generator has one) then change first 100 miles, then every 150-200 miles for about 1,000 miles, and carry a spare filter and (if Ford, those fuel line wrenches about $15.00)