Buderus logamax plus gb142-24 Installation Manual page 22

6 Installation
1'
4'
7' (1220 mm)
at least 1 ft (305 mm)
above grade and snow line
Fig. 17 Vent and air pipe position (2) of a system with combustion air supply from the room (non-room sealed)
Below are approved examples of vertical and horizontal
venting installation
NOTICE
Place pipe supports every 5 feet (1525 mm) of
horizontal run, beginning with support near
boiler.
NOTICE
The condensate water must be drained in
accordance with the applicable rules. See
chapter 7 „Connecting the condensate drain".
NOTICE
Periodic cleaning of the vent terminal and
air-intake screens is mandatory.
Buderus • http://www.buderus.net
22
5'
(1525 mm)
1'
4'
3'
(1220 mm)
(1220 mm)
4'
(1220 mm)
Exhaust terminal must be at least 3 ft (915 mm)
above forced air inlet within 10 ft (3050 mm)
Fig. 18 Vertical venting system (sealed combustion)
We reserve the right to make any changes due to technical modifications!
Installation instructions Logamax plus GB142-24/30/45/60 • version 10/2007
3'
3'
Forced
Air Inlet
10"- 0" MIN
(250 mm - 0 mm MIN)
EXHAUST
1'
Gravity Air Inlet
12" (300 mm) OVER MAXIMUM
SNOW LEVEL OR 24" (600 mm)
WHICHEVER IS
GREATER
1
INTAKE