|
|
|
#3 |
|
I'll get up and fly away
|
I'm an engineer, work where we develop commercial water heaters, mostly gas-fired. I could pass the word to our techs, if you want. Also, there's a certification program for HVAC techs. http://www.natex.org/site/1/Home May be another source.
|
|
|
| Thread Tools | |
| Display Modes | |
|
|