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W !Q.j
DOE
*·
5)
H
Ratings
I
DOE
Net I=B=R
Boiler
Heating
Water
DOE Seasonal
Vent
Water
Input
Capacity
Ratings
Efficiency
Diameter
Content
Model
MBH
MBH
(1)
MBH
(2)
AFUE
%
Inches (3)
Gal.
GV90+3
70
65
56
91.9
I
3
I
3.8
GV90+4
105
97
84
91.2
3
4.7
GV90+5
140
130
113
91.4
3
6.0
GV90+6
175
161
140
91.0
3
6.9
llotes:
(1)
Baseo on stanoa«J test proceuures pres.:Nbed
by
llle Unfied
States Oepanml!llt
of
Energy.
(2) Neti•B•R
ratings are based
on
net
installed radiation of sufficient
quantity for the
requirements
of
tile
bunding
and
nothing
needs
to be
added for
normal
piping and
pick·up.
Ratings are
based
on a piping and pld<-up allowance
of
US.
An
additional al!owance should
be
made for llnusual
piping
and pick-up
loads.
(3)
GY90+
boilers must be
vented
directly to
!be
outside.
Dimensions
Model
GV90+3
GV90+4
GV90+5
GV90+6
Length
Inches
L
303/4
303/4
37 3/
4
373/
4
j~r-~-iT
I
_
·
·_
-
2
·
.
~ 4
5!!!!1/S••o-
.J
I
Supply
I
Return
I
Tapping Tapping
ln.
ln.
1
1
1
n~
177/8 P43/4
26 1/2
g
7/8
_u_
. .
..
I
:
•
~
Gas
Minimum
Approx.
Connection
Recommended
Shipping
Size Inches
Pipe
Size
ln.
Weight
(Lbs)
1/
2
1
313
1/
2
1
353
1/
2
11
/
4
423
1/2
11 /4
464
Installation Flexibility wHh
Multiple V
enting
Options
Sidewall
Direct
Vent
Weii·McLain VenVair Cap
Sidewall
Direct Exhaust
Through-the-roof
Direct Vent
Separate Pipes
Through-the-roof
Through-the-roof
Sidewall Direct Vent
Concentric
Direct Vent Concentric
Direct Exhaust
Standard Equipment
Standard
Equipment:
Factory Tested
Insulated Extended Steel Jacket
Cast
Iron
Sections with Built-in
Air Separator
Stainless Steel Secondary Heat Exchanger
w/Alr Separator
Steel Base
Control Module with Indicator Lights
Blower
Assembly with
Observation
Port
Gas/ Air Manifold Assembly
Gas/Air Orifice Plate for Natural Gas
(separate
plate furnished for
conversion
to
propane)
Stainless Steel Burner
C
one and Ring Assembly
Negative R
egulation
Gas Valve
Hot Surface Ignition System
AJr Pressure Switch
System Circulator•
Built-in-Bypass Circulator System with
S ensor
for
Temperature Control*
Condensate Drain Trap
Sidewall Vent Termination Kit ..
40VA Transformer
Electrical Junction Box
30
PSI
ASME Relief V alve
(boiler
sections
&
secondary
heat exchanger tested for 50
P
SI YtOrking pressure)
water Temperature Llmit
Switch
Section Block Temperature Limit
Switch
Combination Pressure-Temperature Gauge
Drain Valve
Flue Thermal Fuse
water Treatment
-
Inhibitor
&
Test Kit
Additional
Equipment:
Concentric
Vent Kit
Condensate Neutralizer Kit
Expansion Tank
Package.
#109-sizes
3 thru 5;
11110-slze 6. Shipped
in separate
carton.
High Altitude Kit
W-M 5
&
10
Year Homeowner
Protection
Plan
W·M Indirect-fired Water Heaters
W·M Pool Heaters
W -M Baseboard Units
*Circulators supplied with boiler cannot be
removed
and cannot be
used
as
a zone circulator
in
multiple
zone systems
.
**Includes
inside and outside plates,
vent
cap
and
hardware.
500 Blaine Street. Michigan
City,
IN 46360
1
www.weil-mclain.com
c-
1151
108121
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