Westinghouse 518045-1 - High Altitude Regulator ConversionFor units 0719 or later on the serial # (Newer)contains 4 jets#5.0= 6K to 7K#5.2= 5K to 6K#5.4= 3K to 5K#5.6= 2K to 3K
For units 0719 or later on the serial # (Newer)
contains 4 jets
#5.0= 6K to 7K
#5.2= 5K to 6K
#5.4= 3K to 5K
#5.6= 2K to 3K