Reznor 257473 Spark Ignition Control, This is a conversion kit to replace Johnson Control to United Technologies Control with 100% Lockout. This control will replace previously used ignition controllers with lockout (Serial No. Codes 63, 65 and 84).
24 Volts A.C,60 Hz100 Micro Amperes for control onlyIntermittent Pilot Ignition100% Shut off60 Minute Retry