S-90
®
Natural and L.P. Propane Gas
RATINGS CHART – GAS BOILERS
SENTRY
EFFICIENCY
(A.F.U.E.%)
STANDING
PILOT
INTERMITTENT
IGNITION
MODEL
NUMBER †
A.G.A.
INPUT
(Btuh)
D.O.E.
CAPACITY
(Btuh)
NET
I=B=R
RATING
WATER
(Btuh) *
WATER
(Sq.Ft.)
S-34 34,000 29,000 25,000 167 80.4 84.0 81⁄
S-60 60,000 51,000 44,000 293 81.6 84.4 11
S-90 90,000 76,000 66,000 440 82.3 84.2 14
S-120 120,000 101,000 88,000 587 83.0 84.1 17
S-150 150,000 125,000 109,000 727 82.4 83.4 20
SX-150 150,000 126,000 110,000 733 82.1 83.2 20
SX-180 180,000 151,000 131,000 873 82.1 83.1 23
SX-210 210,000 175,000 152,000 1013 82.0 83.1 261⁄
* Net ratings are based on a piping and pick-up allowance of 1.15. Slant/Fin
should be consulted bef
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.
ore selecting a boiler f
or installation ha
ving un
usual
†
Type of gas: after model number, specify gas by name “Natural” or
“Propane”.
Note: All Sentry boilers are tested and rated for capacity under the U.S.
Dept. of Energy (D.O.E.) Test Procedure for boilers.
DIMENSIONS-Inches
C-VENT DIAMETER
INTEGRAL
8
8
8
8
8
8
8
8
DRAFT
DIVERTER
A
8
1
⁄
8
1
⁄
8
1
⁄
8
1
⁄
8
1
⁄
8
1
⁄
8
8
B
145⁄
175⁄
205⁄
235⁄
265⁄
265⁄
295⁄
325⁄
EXTERNAL
DRAFT
HOOD
D
4 __
4_ _
5 __
6_ _
7_ _
_647
_748
_748
3
⁄
16
3
⁄
16
DISCONTINUED MODEL
SLANT/FIN CORPORATION, Greenvale, NY 11548 • Phone: (516) 484-2600
FAX: (516) 484-5921 • In Canada: Slant/Fin LTD/LTEE, Mississauga, Ontario
www.slantfin.com
©Slant/Fin Corp. 2007
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