NG to LP Conversion Guide
Form CP-UD-GC, P/N 197209R11, page 3
FIGURE1-GasValveandBurnerOriceLocations(Fan model is illustrated; gas valve and orice
locations are the same on blower models.)
4.SelectandInstalltheBurnerOrice-AppliestoModelsUDAP/UDAS/UDBP/
UDBS - All Sizes
Remove or Install the Air Restrictor Plate - Applies only to Models UDAP/
UDAS/UDBP/UDBS - Sizes 30, 45, 60, 75, 100, and 150 AND Models UDBP/
UDBS Size 125
WARNING
Donotattempttodrillorice.Usefactory-suppliedoriceonly.
4A) SelecttheoriceandDetermineAirRestrictorPlateRequirement.
Because each kit is designed to convert more than one size of heater, there are
two or three burner orices per kit. From TABLE 1 below, nd the marking that
is on the orice for the size of heater being converted. From the kit, select the
orice with that marking. The other orice(s) will not be used in this conversion.
BurnerOrice-ModelsUDAP,UDAS,UDBP,andUDBS
Size 30 45 60 75 100 125
Natural
Gas
P/N 196853 196838 196839 196855 120158 196840
Marking #37 #30 3.7MM #19 #10 #4
Propane
P/N 196844 196845 196846 196852 196854 196847
Marking 1.6MM #48 2.3MM #39 3.0MM 3.2MM
Size 150 175 200 225 250 300 350 400
Natural
Gas
P/N 131581 196891 196892 221121 208255 221122 221123 196897
Marking 5.9MM E 6.8MM 6.95MM L 8.0MM 8.7MM 9.6MM
Propane
P/N 196898 196899 196900 196901 196902 196903 196904 196905
Marking 9/64" #24 4.1MM 11/64" #14 #8 #3 5.8MM
TABLE 1 - Burner
OriceP/N’sand
Markings










