MODELS: BTL 199, 275(A) & 400(A)

ULTRA LOW NOx SERIES 100

COMMERCIAL GAS REPLACEMENT PARTS LIST

A. O. Smith Water Heater Parts Fulfillment 125 Southeast Parkway • Franklin, TN 37068 www.hotwater.com • 1-800-433-2545

PRINTED 0512 323367-000

A. O. Smith Water Heater Parts Fulfillment • Phone: 1-800-433-2545 • www.hotwater.com

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Item Parts Description BTL 199 BTL 275/A BTL 400/A

1 ..........Blower, Combustion .......................................... 9008240005 .........9008240005 .........9008240005

2 ..........Burner.... ............................................................ 9008241005 .........9008242005 .........9008242005

3 ..........Collar, Pipe Nipple ............................................. 9005783205 .........9005783205 .........9005783205

4 ..........Flame Sensor .................................................... 9008243015 .........9008243015 .........9008243015

5 ..........Igniter, Spark ..................................................... 9008244015 .........9008244015 .........9008244015

6 ..........Ignition Control .................................................. 9008245005 .........9008245005 .........9008245005

7 ..........Gasket, Cleanout .............................................. 9004099215 .........9004099215 .........9004099215

8 ..........Gasket, Skirt Ring Flange ................................. 9008246005 .........9008246005 .........9008246005

9 ..........I/O Module, High Speed .................................... 9008247015 .........9008247015 .........9008247015

10 .........I/O Module, Low Speed ..................................... 9008248015 .........9008248015 .........9008248015

11 .........Probe/ECO, Upper Thermostat ......................... 9006161215 .........9006161215 .........9006161215

12 .........Probe, Lower Thermostat .................................. 9006160215 .........9006160215 .........9006160215

13 .........Rod, Anode........................................................ 9004092005 .........9004092005 .........9004092005

14 .........Sightglass .......................................................... 9006102215 .........9006102215 .........9006102215

15 .........Switch, Blocked Inlet ......................................... 9008251015 .........9008252015 .........9008253015

16 .........Switch, Blocked Outlet ...................................... 9008297015 .........9008298015 . . . . . . 9008299015

17 .........Switch, Blower Prover ....................................... 9008249015 .........9008250015 .........9008250015

18 .........The Eliminator ................................................... 9006050205 .........9006050205 .........9006050205

19 .........Thermostat, Digital ............................................ 9004570205 .........9004570205 .........9004570205

20 .........Tube, Inlet ......................................................... 9008254005 .........9008254005 .........9008254005

21 .........Valve, Drain ....................................................... 9003907015 .........9003907015 .........9003907015

22 .........Valve, Gas Control - Natural .............................. 9008255005 .........9008256005 .........9008257005

23 .........Valve, Temperature-Pressure Relief .................. 9005899205 .........9005924205 .........9005924205

24 .........Variable Frequency Drive .................................. 9008258005 .........9008259005 .........9008260005

NOTES

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A. O. Smith Water Heater Parts Fulfillment125 Southeast Parkway

Franklin, TN 370681-800-433-2545

www.hotwater.com