Service manual

SECTION 9: VENTING
19 of 29
• Vent must terminate at least 4' (1.2 m) below, 4'
(1.2 m) horizontally from, or 12" (30 cm) above
any door, window or gravity air inlet into building.
• Locate vent terminal at least 12" (30 cm) from any
opening through which vent gases could enter a
building.
• Use only corrosion resistant materials for the
discharge line from the pump to the point of
discharge.
• Vent terminal opening must extend beyond any
combustible overhang.
• Install vent terminal at a height sufficient to
prevent blockage by snow.
• Protect building materials from degradation by flue
gases.
• Any portion of flue pipe passing through a
combustible wall must be dual insulated and an
approved thimble must be used.
FIGURE 16: Horizontal Venting
25' (7.6 m)
and 3 Elbows Maximum
25' (7.5 m) and 3 Elbows Maximum
50' (15 m) and 3 Elbows Maximum
18" min.-40" max
46 cm min.-
101 cm max
Approved Thimble
(If Applicable)
4" (10 cm)
Vent Terminal
Tjernlund VH1-4"
(10 cm)
Vent Terminal
Bird Screen
(included w/
Pump
Package)
5" (12.5 cm) Single Wall Pipe
6" (152mm) Single Wall Pipe
5" to 4" (12.5 to 10 c
m) Reducer
6" to 4" (15 to 10 cm) Reducer
Tjernlund VH1-6"
(15 cm)
Vent Terminal
18" min.-40" max
46 cm min.-
101 cm max
4" (10 cm) Single Wall Pipe/Tube
Tjernlund VH1-6"
(15 cm)
Vent Terminal
6" to 5"
(15 to 12.5 cm)
Reducer
Description Part Number Description Part Number
Bird Screen 4'' (10 cm) 01365400 Vent Terminal, 4'' (10 cm) 02537801-IP
Bird Screen, 6'' (15 cm) 01397400 Vent Terminal, Tjernlund VH1-4 90502100
Band Clamp, 4'' (10 cm) 91901300 Vent Terminal, Tjernlund VH1-6 90502101
Band Clamp, 6'' (15 cm) 91913703