Replacement Parts List

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A. O. Smith Replacement Parts
20
Blower/Exhaust Assemblies - Commercial Gas Valves & Thermostats
Gas Valves
Part
Number
NEW Part
Number
Description Gas Type
9004495205 100109889 1˝ NPT Propane
9004496205 100109890 1˝ NPT Natural
9004497205 100109891 3/4˝ NPT Natural
9004551205 100109936 1˝ NPT Natural
9007398005 100111977 1˝ NPT Propane
9004507205 100109897 3/4˝ NPT Natural
9007181005 100111784 3/4˝ NPT Natural
9004521205 100109909 3/4˝ NPT Natural
9004535205 100109922 1/2˝ NPT Natural
9004582205 100109958 3/4˝ NPT Propane
9004583205 100109959 3/4˝ NPT Propane
Blower Assemblies
Part
Number
NEW Part
Number
Series
9004305005 100109776 250/251
9004456105 100109864 250/251
9004306005 100109777 260/261
9004581105 100109957 100, 260
Exhaust Assemblies
Part
Number
NEW Part
Number
Series
9004363105 100109819 226/227
9004419105 100109840 230/235
9004425105 100109844
230/231,
234/235
9004453105 100109862 236/237
9004434105 100109849 234/235
Commercial Thermostats
Image
Part
Number
NEW Part
Number
Description
C 9004769105 100110071
Single pole, Double throw immersion Thermostat,
temperature range 140°F to 194°F.
D 9005078205 100110256
Single pole, single throw remote bulb, immersion Thermostat,
temperature range 60°F to 200°F.
NI* 9005714005 100110604 3/4˝ NPT well. Included with 9005078205 Thermostat
E 9004969215 100110182
Single pole, single throw Surface mounted Thermostat;
adjustable 120°F to 180°F. Double pole, single throw,
manual reset high limit, cutout -200°F
Style 4401 series 59/66T
F 9004533215 100109920
Single pole, Double throw Thermostat with high limit
incorporated as one piece, adjustable 120°F to 180°F.
Type 89T13
*NI: Not Illustrated