13
110328-02 - 6/22
ALTA
Installation, Operating & Service Instructions
6
Preparing Boiler
(continued)
1. Remove vent connector and screws from parts
carton.
2. Check vent reducer on top of heat exchanger to
ensure it is installed properly.
WARNING
Asphyxiation Hazard.
A boiler operating with an improperly installed
vent reducer (3 in. to 2 in.) could cause
unreliable operation at elevated carbon
monoxide levels resulting in severe personal
injury, death, or substantial property damage.
3. Lubricate heat exchanger vent gasket with
soapy water.
4. Insert vent connector through jacket into heat
exchanger with flue gas sample port facing
forward. See Figure 6-2.
5. Tighten 4 screws.
Install Vent Connector
Figure 6-2: Installing Vent Connector
Flue gas sample
port facing front
of boiler
Vent Connector
Attach with
(4) screws
!
