heaters already installed. Can I reuse the ducting and wiring if I upgrade to the Air 4D?
Maybe | Can I swap out an old Chinese diesel heater with the Air 4D?
Q: I have one of those generic heaters already installed. Can...
I installed it today and it went very well. Thank you for your prompt response and very fast shipping. I am really pleased. I hope I will be able to do business with you again.
