A.O. Smith 120 trough 500 - Manual (Page 48)

BTR TANK TYPE HEATERS
SERVICE WORKBOOK
A.O. Smith Water Products Service Handbook
Irving, Texas ©2000 Training Department
47
PARTS LIST for BTR Models 197 and 198 Series 100 & 101
Item Parts Description BTR 197 BTR 198
1 Bracket For Main Burner Orifice............... 098044(5) 098044(5)
2 Main Burner ............................................. 192322 192322
3 Main Burner w/Pilot Bracket..................... 193873-0 193873-0
4 Pilot Burner Natural ................................. 193314-0 193314-0
5 Pilot Burner Propane ............................... 193314-1 193314-1
6 Gasket ..................................................... 99036 99036
7 Pressure Plate ......................................... 99037 99037
8 Screws, Self Tapping............................... 69852 69852
9 Control, Ignition Module ........................... 193325 193325
10 Control, Dual w/ECO ............................... 192828 192828
11 Drafthood................................................. 192957-4 192957-4
12 Manifold................................................... 76244-2 76244-2
13 Instruction Manual ................................... 193927 193927
14 Main Burner Orifice Natural ..................... 76243-32 76243-32
15 Main Burner Orifice Propane.................... 76243-49 76243-49
16 Anode Rod............................................... 43817-38 (4) 43817-42 (4)
17 T & P Relief Valve ................................... 99465-7 99465-7
18 Transformer ............................................. 193444 193444
19 Inlet Tube ................................................ 192626 192626
20 Gas Valve Natural.................................... 192827-2 192827-2
21 Gas Valve Propane.................................. 192827-3 192827-3
22 Off/On Switch .......................................... 193243 193243