the UV tube and is converted into a DC signal by the UV sensor. The DC signal can be processed by a flame signal amplifier. The UV tube does not respond to daylight, incandescent bulb light or infrared radiation emitted by hot workpiece...
It seems that every house I’ve ever owned has needed a new furnace. I mean sure, the old furnace was still there clunking along and producing heat, but it was always some embarrassingly old thing installed by someone that obviously didn’t care about energy efficiency (or it predated the...