My riello burner lights for about 12sec and then locks out?
my riello oil burner just makes abuzzing sound?
Riello 40 G3B oil fired heater?
Riello mectron 3m oil burner leak?
Fan Cage Making noise on a Riello 40 FS?
My Riello 40 loses it prime ?
how can i bleed my riello 40 oil burner?
Riello oil pump shaft seal leaking?
riello 40 starts, runs fine then stops. ?