Service manual

SECTION 9: VENTING
17 of 27
• Vent must terminate at least 3' (1 m) above any
forced air inlet located within 10' (3 m).
• 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 pre-
vent blockage by snow.
• Protect building materials from degradation by flue
gases.
• Any portion of flue pipe passing through a com-
bustible wall must be dual insulated and an
approved thimble must be used.
FIGURE 15: Side Wall Venting
10' (3 m)
Maximum and No Elbows
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 VH1-6"
(15 cm)
Vent Terminal
Bird Screen
(included w/
Pump
Package)
5" (12.7 cm) Single Wall Pipe
6" (152mm) Single Wall Pipe
5" to 4" (12.7 to 10 cm) 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
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