Tag: RA817A

Honeywell RA116A, RA117A, RA817A Protectorelay Oil Burner Controls Installation Guide THESE ONE-PIECE, STACK-MOUNTED OIL BURNER PRIMARY CONTROLS CYCLE THE BURNER ON THERMOSTAT DEMAND AND SHUT DOWN THE BURNER ON FLAME LOSS OR SYSTEM MALFUNCTION. Combine a Protectorelay unit for cycling the burner and a Pyrostat flame detector for sensing temperature changes of flue gases up…