Forum Discussion

Monkeyrun's avatar
Monkeyrun
Explorer
Oct 05, 2013

Help understanding Allegro Furnace Operation

My Allegro BUS 39 is a 1999 model with a basement furnace. I started it up and found that it operates fine, however, understanding how it operates is a bit confusing to me. I posted several pictures i...
Monkeyrun's avatar
Monkeyrun
Explorer
Oct 06, 2013
Where is the cold air return on these units? Si that it on the top as seen through the hole in the floor via last picture?

Thanks for the help on this one folks!

Regards,

MR

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,343 PostsLatest Activity: Dec 14, 2025