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Technical Training Department ©2003
Ashland City, Tennessee
SBN TANK TYPE COMMERCIAL GAS WATER HEATER
SERVICE HANDBOOK
Part Name Number Voltage Amperes
XFMER Secondary 24 V 1.5
Field Output 24 V 11.5
Inducer (Blower) 194408-0 120 VAC 1.7
ECO (Part of Upper
Temperature Sensor) 194396
24 V - Opens at 203° ±
5.4°F Closes ± 193° F 0.3
Main Gas Valve 24 VAC 1.5
2.2 FLA
3.5 LRA
Igniter 194405 120 VAC 2
OPT Power Venter 120 VAC 14.5 FLA
26.0 LRA
120 VAC
Electrical Information
Integrated Water
Heater Control
(Temperature Control
Board)
194393-0
Inducer (Blower) 194408
SBN Models Part No.
Pressure Setting To
Close Switch (Inches
W.C.
)
366 194411-0 (-) 1.60 ± .10"
275 194411-1 (-) 2.00" ± .10"
310 194411-2 (-) 1.75" ± .10"
120, 200, 250, 390 194411-3 (-) 2.40" ± .10"
154, 180, 199 194411-4 (-) 2.60" ± .10"
- 194411-5 (-) 2.50" ± .10"
Draft Proving (Pressure) Switch Table