27
*Mbh = 1,000 Btu per hour [Btu = British Thermal Unit]
1
Oil burner input based on 140,000 Btu per gallon�
2
Net AHRI water ratings shown are based on a piping and pickup allowance of 1�15� Consult manufacturer before selecting
a boiler for installation having unusual piping and pickup requirements, such as intermittent system operation, extensive
piping systems, etc�
3
Heating Capacity and AFUE based on 13.0% CO2 with -0.02” W.C. draft over fire and #1 smoke or less. Tested in
accordance with U�S� Department of Energy test procedure�
T= Tankless
STANDARD EQUIPMENT: Crated Boiler, Flush Jacket, Oil Burner, Target Wall/Liner, Circulator- 1¼”, Safety
Relief Valve, Temperature Pressure Gauge, Drain Valve, Wiring Harness, Burner Electrical Disconnect, Plastic
Cover, Supply Tapping-2”, Return Tapping-1 1/2”, High Limit, Low Limit and Circulator Control, Low Water Cut
Off Primary Control. For Tankless Heater Units add Tankless Hot Water Coil.
Table 6 - BOILER RATINGS
BOILER
MODEL
NUMBER
(1)
OIL BURNER
INPUT
(3)
HEATING
CAPACITY
(2)
NET
RATINGS
WATER
(3)
A.F.U.E.
CHIMNEY
gph
*Mbh
*Mbh
*Mbh
SFH-3085W
SFH-3085WT
0�85
119
103
90
86�0%
8X8X15
SFH-4100W
SFH-4100WT
1�00
140
124
108
87�0%
8X8X15
SFH-4125W
SFH-4125WT
1�25
175
152
132
86�0%
8X8X15
SFH-5160W
SFH-5160WT
1�60
224
195
170
86�0%
8X8X15
SFH-6185W
SFH-6185WT
1�85
259
226
197
86�0%
8X8X15
16 - BOILER RATINGS & CAPACITIES
Table 7 - TANKLESS WATER HEATER CAPACITIES
BOILER
MODEL
NUMBER
INPUT
RATE
G.P.H.
TANKLESS
HEATER
NUMBER
TANKLESS
HEATER CAPACITY
INTERMITTENT DRAW
G.P.M.
BOILER
WATER CONTENT
GALS.
SFH-3085WT
0�85
T3
3
10�5
SFH-4100WT
1�00
T4
3
¼
13�5
SFH-4125WT
1�25
T4
3¾
13�5
SFH-5160WT
1�60
T4
4
16�5
SFH-6185WT
1�85
T4
4¼
19�5
PN 240013073, Rev. A [08/31/2020]
