Operation and Installation Manual

4
* 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 re and #1 smoke or less.
Tested in accordance with U.S. Department of Energy test procedures.
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 and Circulator Control, Primary Control. For
Tankless Heater Units add Tankless Hot Water Coil and Triple Combination High Limit/Low Limit/Circulator
Control.
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 85.0% 8X8X15
SFH-3100W SFH-3100WT 1.00 140 119 103 84.0% 8X8X15
SFH-4100W SFH-4100WT 1.00 140 122 106 86.0% 8X8X15
SFH-4125W SFH-4125WT 1.25 175 151 131 85.0% 8X8X15
SFH-4145W SFH-4145WT 1.45 203 173 150 84.0% 8X8X15
SFH-5160W SFH-5160WT 1.60 224 193 168 85.0% 8X8X15
SFH-5185W SFH-5185WT 1.85 259 221 192 84.0% 8X8X15
SFH-6175W SFH-6175WT 1.75 245 212 184 85.0% 8X8X15
SFH-6210W SFH-6210WT 2.10 294 252 219 84.0% 8X8X15
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-3100WT 1.00 T3 3¼ 10.5
SFH-4100WT 1.00 T4 3¼ 13.5
SFH-4125WT 1.25 T4 3¾ 13.5
SFH-4145WT 1.45 T4 4 13.5
SFH-5160WT 1.60 T4 4 16.5
SFH-5185WT 1.85 T4 4¼ 16.5
SFH-6175WT 1.75 T4 4¼ 19.5
SFH-6210WT 2.10 T4 4½ 19.5
BOILER RATINGS & CAPACITIES