SENTRY®

High performance, cast-iron gas boiler

We Build Trust and Comfortwww.slantfin.com

S-60shown

• Reliable natural draft design• Quality control features• High performance heating • Thermal targeting technology to conserve

fuel by monitoring heating demand• Low water cut-off function• Thermal pre-purge option to save fuel• Display shows boiler water temperature

and boiler control’s setting• LED lights provide information of

boiler operation

VESTIBULE

The boiler you choose for your home now will affect yourfamily’s comfort_and pocketbook_for many years to come.Sentry boilers provide a blend of efficiency and reliabilitythat will keep your home comfortably warm and your fuelcosts low year after year. A new Sentry boiler can save upto 30% or more on fuel bills compared to a typical old boil-er operating at 60% efficiency.

Sentry is ideal for a wide variety of gas boiler require-ments as a replacement or for new installations. Itsadvanced design provides years of trouble-free, high effi-ciency operation, while providing easy installation espe-cially in sites with low chimney connections or low over-head clearance.

Lower profilemakes installations easy

*See installation instructions for specific applications and clearances.

• Input: 5models 34,000 to 150,000 Btu/hr• Intermittent ignition • Low clearance*• Saves energy. AFUE to 84.4%

Popular sizes available in pink forpurchase! For each pink boiler sold,

Slant/Fin will donate a portion ofproceeds to breast cancer charities!

2021 DOE COMPLIANT 2021 DOE COMPLIANT UNITED STATESDEPARTMENT OF ENERGY

with Energy Conservation Program

We’re in this together!

©2016 Slant/Fin Corp. • Publication S-10 • Printed in U.S.A. 1016

MODELNUMBER †

CSAINPUT(Btuh)

DOECAPACITY

(Btuh)

NETAHRI

RATINGWATER(Btuh)*

WATER(Sq.Ft.)

EFFICIENCYAFUE%

DIMENSIONS-Inches

“A” “B”

C-VENTDIAMETER

INTERMITTENTIGNITION

INTEGRALDRAFT

DIVERTER

• S-34• S-60• S-90• S-120S-150

34,00060,00090,000120,000150,000

29,00051,00076,000101,000125,000

25,00044,00066,00088,000109,000

167293440587727

84.084.484.284.183.4

8-1/811-1/814-1/817-1/820-1/8

14-5/817-5/820-5/823-5/826-5/8

44567

C

193/4"

11/2" SupplyTapping

3/4" Drain

3/4" to air eliminatingsystem (by others)

Rollout SafetySwitch (behind

front panel)

Vent Damper*

287/16"

61/2"

Pressure/Temp.Gauge

Blocked VentSafety Switch

Integral Draft

Diverter

AB

Relief Valve

Control(Model S-34)

FRONT VIEW

AquastatRelay

IgnitionControl

CombinationGas Valve

(gas tapping 1/2") GroundJoint Union

Circulator:11/4" Circ. Flange

11/2" Return TappingSediment Trap

(required)

(Dotted pipingby others.)

RIGHT SIDE VIEW

1-1/2” RETURNTAPPING,1-1/4”CIR. FLANGE

ROLLOUTSAFETYSWITCH(behindfrontjacket)

PRESSURERELIEF VALVE

BLOCKEDVENT SAFETYSWITCH

COMBINATIONGAS VALVE

GROUNDJOINT UNION

SEDIMENT TRAP(REQUIRED)

(DOTTED PIPINGBY OTHERS)

MO

DE

L S

-34

MO

DE

LS S

-60

to S

-150

SENTRY®

RATINGS FOR SENTRY BOILERS – NATURAL AND L.P. GAS

* Net ratings are based on a piping and pick-up allowance of 1.15. 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.

† 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.

§ Note: S-34 has external side mounted control.• Note: US Department of Energy 2021 Compliant.

®

BOILERS & BASEBOARD

We Build Trust and Comfort

Since 1949U.S.A.Slant/Fin Corporation • 100 Forest DriveGreenvale, NY 11548 • 516-484-2600www.slantfin.com

CanadaSlant/Fin LTD/LTEE • 400 Ambassador Drive,Mississauga, Ontario L5T 2 J3 • 905-677-8400www.slantfin.ca

VESTIBULE

High performance, cast-iron gas boiler

19-3/4”

1-1/2” FPTSUPPLY

3/4”DRAIN

32-7/16”

VENT DAMPER

DISPLAY

AB

PRESS./TEMPGAUGE

SUPPLY PIPINGSYSTEM (BY OTHERS)

3/4” TO AIR ELIMINATINGSYSTEM (BY OTHERS)

§

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• Computer-aided design• Highest quality manufacturing• Superior components