Slant/Fin SX-150 to SX-210 Ratings For Sentry Boilers--Natural And L.P. Gas, C-Vent Diameter

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

			NET		EFFICIENCY				DIMENSIONS-Inches
					(A.F.U.E.%)					C-VENT DIAMETER
			I=B=R
	A.G.A.	D.O.E.	RATING
MODEL	INPUT	CAPACITY	WATER	WATER	STANDING	INTERMITTENT				INTEGRAL	EXTERNAL
								A	B	DRAFT	DRAFT		D
NUMBER †	(Btuh)	(Btuh)	(Btuh) *	(Sq.Ft.)	PILOT	IGNITION				DIVERTER	HOOD
S-34	34,000	29,000	25,000	167	80.4	84.0		81⁄8	145⁄8	4	_	_
S-60	60,000	51,000	44,000	293	81.6	84.4	111⁄8		175⁄8	4	_	_
S-90	90,000	76,000	66,000	440	82.3	84.2	141⁄8		205⁄8	5	_	_
S-120	120,000	101,000	88,000	587	83.0	84.1	171⁄8		235⁄8	6	_	_
S-150	150,000	125,000	109,000	727	82.4	83.4	201⁄8		265⁄8	7	_	_
SX-150	150,000	126,000	110,000	733	82.1	83.2	201⁄8		265⁄8	_	6	47
SX-180	180,000	151,000	131,000	873	82.1	83.1	231⁄8		295⁄8	_	7	483⁄16
SX-210	210,000	175,000	152,000	1013	82.0	83.1	261⁄8		325⁄8	_	7	483⁄16

*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.

	C	Vent Damper*
Dimensions
MODEL S-34		Integral ￿
11/2" Supply
		Draft￿
		Diverter
	193/4"

3/4" to air eliminating￿ system (by others)

Pressure/Temp.￿
Gauge
Blocked Vent￿	287/16"
Safety Switch
3/4"Drain
Rollout Safety￿
Switch (behind￿	A
front panel)
61/2"
	B

High Limit.￿
Control
Ignition￿
Control
Circulator:￿
1/4" Circ. Flange￿	Sediment Trap￿
11/2" Return Tapping
	(required)￿

Combination￿
Gas Valve￿	Ground￿	(Dotted piping￿
(gas tapping 1/2")
	Joint Union	by others.)￿

LEFT END VIEW FRONT VIEW

RIGHT END VIEW

C Vent Damper*

Dimensions MODELS S-60 to S-150

11/2" Supply

193/4"

3/4" to air eliminating￿ system (by others)

Supply Piping￿ (by others)

Pressure/Temp.￿
Gauge
3/4" Drain
Rollout Safety￿
Switch (behind￿	A
front panel)
	B

Blocked Vent￿
Safety Switch
High Limit￿
Control
Ignition￿
Control
327/16"
Circulator:￿
1/4" Circ. Flange￿
11/2" Return Tapping		Sediment Trap￿
		(required)￿
Combination￿
Gas Valve￿	Ground￿	(Dotted piping￿
(gas tapping 1/2")	Joint Union	by others.)￿

LEFT END VIEW	FRONT VIEW	RIGHT END VIEW
C		Vent Damper*
	Vent Damper*	C
Dimensions	3/4" to air eliminating￿
	system (by others)
MODELS SX-150	Blocked Vent￿	High Limit￿
	Safety Switch
to SX-210		Control

11/2"￿		Supply Piping￿					D
Supply					Ignition￿
		(by others)
					Control
		Pressure/Temp.￿		287/16"	Circulator:￿
		Gauge			1/4" Circ. Flange￿		Sediment Trap￿
					11/2" Return Tapping		(required)￿
		3/4" Drain
		Rollout Safety￿			Combination￿
					Gas Valve￿	Ground￿	(Dotted piping￿
	3	Switch (behind￿	A
					(gas tapping 1/2")
19 /4"		front panel)				Joint Union	by others.)￿
				B

LEFT END VIEW FRONT VIEW RIGHT END VIEW

*Vent damper may be installed horizontally on all models with use of a common vent elbow.