McDonnell & Miller 6667 Control THPU32HP7Y Fixed 1/8" Spark Gap: Factory-set
Baker’s notes & crumb story
Description
McDonnell & Miller 6667 Control THPU32HP7Y Fixed 1 8" Spark Gap: Factory set Fixed 1 8" Spark Gap: Factory set electrode spacing ensures consistent arcing and reliable ignition sequencing A failed gasket can cause the furnace to leak carbon monoxide into the cabinet