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ASME
RELIEF
VALVE
I
I
I
I
I
LEFT SIDE
DRAII_
VALVE
TEMPERATURE
PRESSURE
I I I I
t I I
I I
I I I-
I I I
LiMrr & RELAY
CONTROL
Swrm_
IANIFOLD 2
23111
3 <-'--
U _tTCH
[_ _,_" INTERMnTEHT
_ILOT CONTROL
L
FRONT RIGHT SIDE
®
@
®
DESIGN CER11FIED FOR
NA_nJp_,LAND pRGPANE GA_
MODEL
Natural Propane
Gas Gas
229.965520 229.965320
229.965530 229.965330
229.965540 229,965340
229.965550 229.965350
229.965560 229.965369
229.965570 229,965370
AGA Heating
NATURAL AND PROPANE GASES
Net IBR Vent Diameter(INCHES)
Rating
*MBH
31
55
82
109
135
162
Width
A
11
14¼
17%
20¾
24
27¼
To Chimney
(Category I)
4
4
4
4
4
4
No. Input
Sec. *MBH
2 42,5
3 75.0
4 112.5
5 150.0
6 167.5
7 225.0
Capacity
+MGB
36
63
94
125
155
186
Horizontal Vent
(Category III)
3
3
3
3
4
4
* MBH = 1,000 Btuh = British Thermal Unit Per Hour
Boilers are equipped foraltitudes upto 2,000 feet only: o
U.S.A. Only -For altitudes above 2,000 feet, ratings should be reduced at the rat of 4 _ for each 1,000 feet above sea level.
Canada Only - Boilers may be used at highaltitude by using a certified field conversion, kit,resulting in a 10% derate.
+ Heating Capacity based on D.O.E. (Department ofEnergy}test procedure.
The Ratings marked "Net 1=B=R Ratings" indicate
the amount of remaining heat input that can be
used to heat the radiation or terminal units. The
Net I=B=R Ratings shown are based on an
allowance of 1.15 in accordance with the factors
shown on the I=B=R Standard as published by
The Hydronics Institute.
Selection of boiler size should be based upon
"Net I=B=R Rating" being equal to or greater
than the calculated heat loss of the building.
The manufacturer should be consulted before
selecting a boiler for installations having unusual
piping and pickup requirements. These boilers must
stand on a noncombustible floor. If installed on a
combustible floor, use Combustible Floor Base.
These Gas-Fired Hot Water Boilers are low
pressure, sectional cast iron boilers Design
Certified by CSA (Canadian Standards
Association) for use with Natural and Propane
Gases. They are constructed and hydrostatically
tested for a maximum working pressure of 50psi
(pounds per square inch) in accordance with
A.S.M.E. (American Society of Mechanical
Engineers) Boiler and Pressure Vessel Code
Section IV Standards for cast iron heating boilers.
BOILERS FOR USE AT HIGH ALTITUDE
This boiler is factory equipped for use at altitudes
of 0-2,000 feet above sea level. For use at altitudes
above 2,000 feet above sea level, the input ratings
are reduced by a change in main burner orifice size.
4
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