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FIGURE 15: Swirler Installation Model: IRH 125, 30 ft U-Tube; Swirler Package — 20 ft (6 m)
Note:
Swirler installation for this model must be complete prior to coupling installation for proper swirler starter
tab placement.
Tab
Vent
Adapter
Swirler Starter Section
10 ft (3 m) Tube
Pivot Point
Swirler Adapter Section
Swirler
Adapter
Section
Pivot Point
Swirler
Adapter
Section
Swirler Starter
Section
Swirler
Adapter
Section
10 ft (3 m)
Tube
Burner Tube
Coupling
Swirler Adapter
Section
Swirler
Starter
Section
5 ft (1.5 m) Tube
(tubes cut in field)
U-tube
Coupling
Internal Coupling Pin
Fold swirler tab over tube as shown
5 ft (1.5 m) Tube
(tubes cut in field)
See “FIGURE 20: U-Tube Heater Assembly Overview” on
page 30 for U-Tube installation instructions.
Summary of Contents for IRH
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