Dimensions - Weil-McLain WM97-70-CT Manual

WM97+ -
gas fired water boiler

Dimensions

Figure 136 Dimensional data — WM97+70/110/155 (all dimensions in inches)
TOP
FRONT
1
Boiler supply tapping —
1" NPT (70/110) / 1¼" NPT (155)
2
Boiler return tapping —
1" NPT (70/110) / 1¼" NPT (155)
3
Control panel, with display and navigation
buttons
4
Electrical entrance openings
5
Vent connection: 3" PVC
6
Pressure/temperature gauge (shipped loosed)
See Figure 6, page 12 for mounting details and
instructions.
7
Gas connection (note 1) (manual gas valve
– 132 –
— Boiler Manual
TOP
(shows field-installed components)
RIGHT
70/110
BOTTOM
(shows field-installed components)
shipped loose for field installation)
See page 61 for details and instructions.
8
Drain valve (shipped loose)
See Figure 6, page 12 for mounting details and
instructions.
9
Condensate drain connection (also see item 14,
below)
10 Air connection: 3" PVC
11 Relief valve (shipped loose)
See page 37 for mounting details. Relief valve
mounts on supply pipe off of supply tee and
¾" street elbow as shown.
12 Boiler drain line / DHW boiler water return
(shows field-installed components)
FRONT
(shows field-installed components)
line (if DHW tank is connected directly to the
boiler)
See Figure 8, page 13 for details and instruc-
tions for usage.
13 DHW boiler water supply line (if DHW tank is
connected directly to the boiler)
See Figure 8, page 13 for details and instruc-
tions for usage.
14 Condensate trap and flexible drain line
(shipped loose)
See page 60 for details and instructions. The
condensate drain hose or pipe must connect to
the flexible line supplied with the boiler to en-
sure the trap assembly can be removed easily.
Part number 550-142-120/0113
TOP
RIGHT
155
BOTTOM