Rapid UHDS 100 Installation, operation & service manual - page 47
Manual is about: UHD-Series
Tubular Duct Furnace
of
58
SECTION 15: R
EPLACEMENT
P
ARTS
39 of 45
15.2 Burner Injectors
MODEL
UHD[X][S] 75
UHD[X][S] 100
UHD[X][S] 125
Orifice Quantity
5
6
7
Natural Gas
Orifice Marking
49
46
46
P/N
91930049
91930046
91930046
Propane
Orifice Marking
1.15 mm
1.25 mm
1.25 mm
P/N
91930115
91930125
91930125
Remove four screws to remove
manifold.
Ensure gas tight fitting of orifices
Ensure correct
alignment with
burners.
Ensure all pipe joints are gas tight.