Hopefully your letters of inquiry contained more info such as the fuel, inlet and outlet conditions, intended use, footprint, local conditions, control systems, any special requirements, etc.
__________________
“Tell me and I forget. Teach me and I remember. Involve me and I learn.” Ben Franklin.
...and were directed towards appropriate, reputable suppliers!
__________________
"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
"Almost" Good Answers: