Specification
GG SERIES Hot Water Model
RATINGS - NATURAL AND L.P. PROPANE GAS
± GG models: Add suffix “P” for packaged water boiler. Type of gas: After
model number, specify gas by name “Natural” or “Propane”
* Net ratings are based on a piping and pick-up allowance of 1.33 (steam)
and 1.15 (hot water). Slant/Fin should be consulted before selecting a
boiler for installation having unusual piping and pick-up requirements.
Ratings must be reduced by 4% at 2,000 feet elevation and an additional
4% for every additional 1,000 feet elevation over 2,000 feet.
Equipment
Before purchasing this appliance read important energy costs
and efficiency information available from your contractor.
† GXH model: Add suffix “PT” for standard water boiler with tankless heater, “PZ”
for steam boiler, “PZT” for packaged steam boiler with tankless heater. Type of
gas: After model number, specify gas by name “Natural” or “Propane”.
** Gross output rating (Btuh) and thermal efficiency
§ Ratings for GXH-300H are for natural gas only.
‡ Tankless heater ratings based on intermittent draw.
NOTE: All boilers under 300,000 Btu input are tested and rated for capacity under
the U.S. Dept. of Energy (D.O.E.) Test Procedure for boilers.
GXH and GXHA Low Pressure Steam Models
(Tankless heater) GXHA models have integral draft diverter.
ALL MODELS include pre-assembled heat exchanger; base; flue collector; gas
burners; gas orifices and manifold assembly; combination gas valve including
manual shut-off, pressure regulator, pilot adj., safety; pressure relief valve (ASME);
draft hood (integral draft diverter in GXHA models); blocked vent safety switch; rollout
safety switch; pre-assembled insulated semi-extended jacket (extended as shown);
automatic vent damper.
PACKAGED WATER BOILER includes all equipment listed for ALL MODELS and for
model S, combination control (hi limit and low limit), circulator; drain cock.
PACKAGED WATER BOILER WITH TANKLESS HEATER (SUFFIX PT) includes all
equipment listed for ALL MODELS, plus built-in air eliminator; pressure and
temperature gauge; circulator; drain cock; and lo-limit); tankless heater.
PACKAGED STEAM BOILER (SUFFIX PZ) includes all equipment listed for ALL MOD-
ELS, plus steam pressure limit control with siphon; pressure gauge; low water cutoff and
water level sight glass (unmounted); drain cock, transformer and junction box.
PACKAGED STEAM BOILER WITH TANKLESS HEATER (SUFFIX PZT) includes all
equipment listed for ALL MODELS and for model PZ, plus tankless heater instead of
cover plate; low limit control.
OPTIONAL EQUIPMENT Room thermostat. Air package consisting of diaphragm expan-
sion tank, fill and pressure reducing valve, and automatic air vent. Combustible floor kit.
®
BOILERS & BASEBOARD
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Since 1949
© Slant/Fin Corp. 2016 • Printed in U.S.A 816 • Publication No. GG-10
Built for superb performance
and long life.
GALAXY
™
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MODEL
NUMBER
†
RATINGS
NET AHRI
RATING
WATER
(Btuh)*
AFUE
%
NET
RATINGS
WATER
(Sq. Ft.)
CSA
INPUT
(Btuh)
D.O.E.
CAPACITY
(Btuh)
GG-250HEDP
GG-275HEDP
GG-300EDP
GG-350HEDP
GG-375HEDP
GG-399HEDP
250,000
275,000
300,000
350,000
375,000
399,000
209,000
228,000
243,000**
285,000**
303,000**
322,000**
182,000
198,000
211,000
253,000
263,000
284,000
82.8
82.7
81.1**
81.4**
80.9**
80.6**
1211.3
1322.0
1407.0
1653.0
1753.0
1867.0
GXH SERIES Hot Water Model (Tankless Heaters)
MODEL
NUMBER
†
RATINGS FOR NAT. & LP PROPANE GAS
AFUE
%
TANKLESS
HEATER
CAPACITY
(GPM)
‡
VENT
SIZE
NOMINAL
DIA.
INCHES
HOT WATER NET RATINGS*
CSA
INPUT
(Btuh)
D.O.E.
CAPACITY
(Btuh)
AHRI
WATER
(MBH)
WATER
(SQ. FT.)
GXH-105EDPT
GXH-125EDPT
GXH-150EDPT
GXH-170EDPT
GXH-190EDPT
105
126
147
168
189
87,000
104,000
122,000
140,000
158,000
76.0
90.0
106.0
122.0
137.0
500
600
706
813
913
82.5
82.5
82.5
82.5
82.5
2
1
⁄2
3
3
1
⁄4
3
1
⁄2
3
3
⁄4
5
6
7
7
7
MODEL
NUMBER
†
RATINGS FOR NAT. & LP PROPANE GAS
AFUE
%
TANKLESS
HEATER
CAPACITY
(GPM)
‡
VENT
SIZE
NOMINAL
DIA.
INCHES
STEAM NET RATINGS*
CSA
INPUT
(Btuh)
D.O.E.
CAPACITY
(Btuh)
AHRI STEAM
(MBH)
AHRI
STEAM
(SQ. FT.)
GXHA-100EDPZ
GXHA-120EDPZ
GXHA-160EDPZ
GXHA-200EDPZ
GXH-230EDPZ
GXH-250EDPZ
GXH-275EDPZ
GXH-300HEDPZ
§
100
120
160
200
231
252
273
300
81,000
97,000
130,000
163,000
189,000
206,000
223,000
239,000
61.0
73.0
98.0
122.0
142.0
155.0
167.0
182.0
254
304
408
508
591
646
696
758
81.0
81.2
81.2
81.3
81.2
81.2
81.3
79.7
2
1
⁄2
3
3
1
⁄2
4
4
1
⁄4
4
1
⁄2
5
5
1
⁄2
5
6
6
7
7
7
7
9
**
**
U.S.A.
Slant/Fin Corporation • 100 Forest Drive
Greenvale, NY 11548 • 516-484-2600
www.slantfin.com
Canada
Slant/Fin LTD/LTEE • 400 Ambassador Drive,
Mississauga, Ontario L5T 2J3 • 905-677-8400
www.slantfin.ca
®
CUS
®