Combustion
Timer, programmer, retarder or condition responsive control
With test circuit checking or analyzing flame sensing...
Inventor
active
Control system for gas fired heating apparatus using radiant hea
Direct ignition gas burner control system
Direct ignition gas burner control system
Direct ignition gas burner control system
System and methods for controlling a water heater
No associations
LandOfFree
John S. Haefner does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John S. Haefner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John S. Haefner will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-237064