Ultra Boiler Manual

Part number 550-100-440/0122
25
  
BASIC INSTALLATION

Figure 24 DIRECT VENT APPLICATIONS — Vent and air termination options
DIRECT VENT
SIDEWALL termination
DIRECT VENT
VERTICAL termination
DIRECT VENT
VERTICAL vent and
SIDEWALL air
Weil-McLain
sidewall
termination
cap
(See Boiler
manual
page 67)
3” or 4”
concentric
termination
(See Boiler
manual
page 75)
U3511-bw
VENT
VENT
AIR
AIR
Vertical
vent
termination
and
Sidewall
air
termination
(See Boiler
manual
page 79)
U3505VS-bw
VENT
VENT
AIR
AIR
3” or 4”
concentric
termination
(See Boiler
manual
page 72)
Vertical
termination with
separate vent
and
air pipes
(See Boiler
manual
page 66)
Sidewall
termination with
separate vent
and
air pipes
(See Boiler
manual
page 66)



Step 1
Install the boiler.
Step 2 Determine the termination method — sidewall or vertical, concentric or separate pipes, etc.
Step 3 Determine proper location for wall or roof penetration for each termination.
Step 4 Install termination assembly as described in this manual.
Step 5 Install air and vent piping from boiler to termination.
Step 6 Install pipe supports and brackets as required.