Installation Guide

Part number 550-100-066/0608
11
g a s -f i r e d w at e r b o i l e r Boiler Manual
Prepare boiler (continued)
Placing floor-mounted boilers
Set boiler in place and check level.1.
Adjust legs, if necessary to level boiler.a.
Wall-mounted boilers (Ultra-80 through -310)
The wall-mounting kit is NOT supplied as standard equipment 1.
with the boiler, and must be purchased separately. See 
below.
Wall mount Ultra boilers only using the Weil-
McLain Ultra boiler wall-mounting kit and accom-
panying instructions. (See Repair parts section for
part number of wall mounting kit.) DO NOT use
the shipping bracket to wall mount the boiler.
The wall must be vertically plumb and capable of
carrying the weight of the boiler. The operating
weights for wall-mountable boilers are:
Ultra-80: 139 pounds
Ultra-105: 145 pounds
Ultra-155: 181 pounds
Ultra-230: 192 pounds
Ultra-310: 229 pounds
Failure to comply with above and the procedure
given below could result in severe personal injury,
death or substantial property damage.
Verify kit contents:2.
Wall-mount bracket.a.
Black iron bushing, 1” x 1/8” NPT.b.
Lag screws, (2) 3/8” x 3” hex head.c.
Grommet, (1) 7/8” O.D & grommets, (2) 1 3/8” O.D.d.
Automatic air vent, 1/8” NPT.e.
Items b through e are needed only if routing piping through f.
bottom of enclosure (applies only for Ultra-80 through
-230).
Verify all parts listed above are available before proceeding.g.
Stud spacing: Bracket holes are spaced for studs on 16-inch centers. 3.
For other stud spacing, provide secure, solid mounting surface on
which to attach the boiler wall-mounting bracket.
Wood stud wall: Install bracket with lag screws (3/8” x 3”) included 4.
in kit, only into the studs.
Metal stud wall: Secure bracket to studs with 3/16-inch toggle bolts 5.
and 3/16-inch at washers (not included with kit).
6. attempt to attach the wall mount bracket using anchors
or any means other than directly securing to the wall studs (or
equivalent wood structure if studs are not on 16-inch centers).
The boiler bracket must engage with the wall-mount bracket. Make 7.
sure the brackets are not just resting edge to edge.
Mount the boiler on the wall following these instructions. Perform 8.
all procedures given in the Boiler Manual on pages 1 through 9
before mounting the boiler.
The boiler is heavy. Use caution not to drop the boiler or cause 9.
bodily injury while lifting and handling. Verify that the boiler
is securely attached to prevent possibility of boiler falling after
installation.
 Install
bottom-piping grommets if required
 Install wall-mount bracket
 Place boiler on wall-mount bracket