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Intrepid® Direct Vent - Rear Vent Gas Heater
Orifice
Bracket
Fig. 80 Tilt ember bed slightly to correctly place on venturi
and air shutter.
Orifice
Orifice
Bracket
Fig. 81 The air shutter setting is 1/2" (13 mm) from the orifice
bracket to the edge of the air shutter.
CO142
air shutter meas
6/07
36
Pem Studs
ST919
Air Shutter
tilt ember bed
6/07
CO142
Table 3. Injector Orifice Size Matrix
Kit #
Orifice
20012921
#56 (.0465")
Conversion to Natural Gas
Kit #
Orifice
20012910
#47 (.0785")
All Models
1. Replace burner making sure venturi on bottom of em-
ber bed aligns with orifice and is seated properly on
air shutter assembly. (Fig. 80) Make sure burner is slid
into place at a slight angle and opposite to how it was
removed. When burner is slid into place, the three (3)
pem studs should slide down through clearance holes
into the bottom of the control panel.
2. Thread and tighten 3/8" nuts back onto pem studs on
underneath side of control panel, reversing Step 1
shown in Figure 79.
3. Reinstall logs as per instructions on page 29.
4. Place conversion label on valve.
5. Replace glass, stove front and safety barrier.
6. Restore gas to system and relight appliance according
ST919
to Lighting Instructions on page 32.
7. Leak check the system using a gas leak detector solu-
tion.
8. Relight the main burner in both the "HI" and "LO" posi-
tions to verify proper burner ignition and operation.
Conversion is complete.
Conversion to LP
Input (BTU/h)
Part #
Minimum
30000336
12,000
Input (BTU/h)
Part #
Minimum
20003054
12,500
Maximum
16,000
Maximum
18,500
20306761
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