Step 7.1 Tube Installation
Combustion 
Chamber
7' 6"
(229 cm)
Description | Part Number |
Tube | 91409XXX |
|
|
Turnbuckle | 91903201 |
|
|
Tube/Reflector Hanger | 03090100 |
|
|
NOTE: Tubing requires a downward slope of 1/2" (13 mm) per 20' (6 m) away from burner. Tailpipe tubing requires a downward slope of 1" (26 mm) per 20' (6 m) away from burner.
End View
Weld | Bottom |
Seam | of Tube |
Tube
Hanger
Turnbuckles 
10'
maximum
(3 m)
Chamber 
Step 7.2 Coupling and Tube Assembly
A | Close coupling with tab. | Start slide bar/coupling lock |
| B onto coupling. |
| Tab |
| |
|
| Slide Bar/Coupling Lock | |
|
| Wide End | |
|
| Coupling | |
Open | 3" (8 cm) to |
| |
|
| ||
| 4" (10 cm) |
| |
Closed |
|
| |
C Insert tubes into coupling. | D Tighten coupling to join tubes. | ||
|
| Slide Bar/Coupling Lock | |
| Orient coupling so that | Coupling | |
| the impact block is in the |
| |
| 2:00 or 10:00 o’clock |
| |
| positions. | Tube | |
| Tube | ||
|
| ||
Tube | Description | Part Number | |
Coupling | 01329600 | ||
| |||
| Slide Bar/Coupling Lock | 01329700 | |
| Tube | 91409XXX | |
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