Weather-Rite UHA100 Installation, Operation & Service Manual - page 51
Manual is about: Tubular Unit and Utility Heaters
of
64
SECTION 15: R
EPLACEMENT
P
ARTS
43 of 51
15.2 Burner Injectors
MODEL
UHA[X][S] 30
UHA[X][S] 45
UHA[X][S] 60
UHA[X][S] 75
UHA[X][S] 100
UHA[X][S] 125
Orifice Quantity
2
3
4
5
6
7
Natural Gas
Orifice Marking
49
49
49
49
46
46
P/N
91930049
91930049
91930049
91930049
91930046
91930046
Propane
Orifice Marking
56
56
56
1.15 mm
1.25 mm
1.25 mm
P/N
91930056
91930056
91930056
91930115
91930125
91930125
Remove four screws to remove
manifold.
Ensure gas tight fitting of injectors.
Ensure correct
alignment with
burners.
Ensure all pipe joints are gas tight.