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A.O. Smith 974 Series, 975 Series manual Blower/Burner - Assembly

Models: 975 Series 974 Series

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BLOWER/BURNER - ASSEMBLY

BLOWER/BURNER - ASSEMBLY

		BTH 300A	BTH 400A
Item	Description	974/975	974/975
1	Burner	194779	194998
2	Blower/Motor Assembly	194746	194746
3	Flange-Burner	194960	194960
4	Gasket	194817	194817
5	Gasket, Burner	194777	195016
6	Gasket-Viewport	194827	194827
7	Ignitor	192334	192334
8	Screw, #8-18 x 1/2	192698	192698
9	Screw, Socket Head Cap	192515	192515
10	Screw, Truss Hd. Mach 1/4-20 x 2.00	194816	194816
11	Sensor, Flame	194776-1	194776-1
12	Window, Observation	98758-3	98758-3
13	Hex Nut	196882	196882

Standard hardware items may be purchased locally.

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A.O. Smith 974 Series, 975 Series manual Blower/Burner - Assembly

Contents

See Page GAS VALVE See Page RECIRCULATING SYSTEM See Page POWERED ANODE ASSEMBLYSeries 974/975 See PageOPERATING CONTROL WIRING See Page CYCLONE XHE - MODEL BTH-300A/400A BLOWER/BURNER ASSEMBLY See PageNot illustrated Standard hardware items may be purchased locally CYCLONE XHE BTH 300A/400A - PARTS LISTCYCLONE XHE BTH 300A/400A - CONTROL PANEL CYCLONE XHE BTH 300A/400A - OPERATING CONTROLS & WIRING See Next PageDETAIL 2 - CYCLONE XHE BTH 300A/400A - CONNECTIONS Continued DETAIL 4 - GAS VALVE RECIRCULATING SYSTEMStandard hardware items may be purchased locally EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTS BLOWER/BURNER - ASSEMBLY BTH 400A POWERED ANODE ASSEMBLYA.O. Smith Water Heater Parts Fulfillment BTH 300A