Instruction/ maintenance manual of the product LB/LW 500 A.O. Smith
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1 A.O. Smith Water Heater Parts Fulfillment 125 Southeast Parkway, Franklin, TN 37068 1-800-433-2545 • www.hotwater.com PRINTED IN U.S.A. 1006 PART NO.
2 LB/L W W A TER W A YS & COMBUSTION CHAMBER P ARTS LIST L W Models LB Models Item Description Model 500 Model 750 Model 1000 Note: Replacement housing assemblies (item 10) are currently all steel type. When replacing the housing assembly both the inner gasket (item 9) and outer gasket (item 7) must also be replaced.
3 LB/L W EXHAUST , DRAIN & W A TER INLET ASSEMBL Y P ARTS LIST Item Description Model 500 Model 750 Model 1000 1 ................ Clamp, Hose (Large) .......................................................................... 191794-1 .............
4 LB/L W JACKET/FRAME ASSEMBL Y Item Description Model 500 Model 750 Model 1000 1 .......... Bolt, Machine 5/16" - 18 .............................................................. 191358-1 ..................... 191358-1 .................... 191358-2 2 .
5 LB/L W NA TURAL GAS TRAIN/BLOWER ASSEMBL Y - MODEL 500 Item Description Model 500 Item Description Model 500 20 .... Nut, Hex 1/4" ..................................................... 170272 21 .... Orifice, Air ...............................
6 LB/L W NA TURAL GAS TRAIN/BLOWER ASSEMBL Y - MODEL 750 Item Description Model 750 1 ..... Blower ............................................................. 191652-1 2 ..... Blower Adapter Assembly ............................... 191645 3 ..... Blower Manifold Assembly .
7 LB/L W NA TURAL GAS TRAIN/BLOWER ASSEMBL Y - MODEL 1000 DETAIL BACK VIEW Item Description Model 1000 1 ..... Blower ................................................................ 192195 2 ..... Blower Adapter Assembly .............................
8 Item Description Model 500 1 ..... Valve, Main Gas ............................................... 191956-1 2 ..... Regulator, LP ..................................................... - - - - - 3 ..... Valve, Manual Shut-Off ........................
9 Item Description Model 750 1 ....... Valve, Main Gas ............................................. 77780 2 ....... Regulator, LP ................................................ 192460 3 ....... Valve, Manual Shut-Off ...............................
10 Please update these numbers LB/L W PROP ANE GAS TRAIN ASSEMBL Y - MODEL 1000 Item Description Part No. 1 ...... V alve, Main Gas, LP 300 Series ................... 77780 2 ...... Regulator, LP 301 Series ............................ 192460 3 ......
11 LB/L W WIRING CHART LB/L W CONTROL BOARD WHC 1502 Part Number 210128 WHC1502 COLOR GAUGE PART NUMBER *** White 14 41974 Black 14 99650 Green 14 41972 White 16 86580 Black 16 86578 Green 16 69058 Wh.
12 Outlet T emperature Control/ ECO Assembly 210572 T ank Probe Harness Assembly 210604 Pressure Flow Switch Harness Assembly 210576 T ransformer Harness Assembly 210578 (Model 1000) 21 1330 (Models 500 & 750) Ignition Harness Assembly 210575 Gas V alve Harness Assembly 210574-1 (Prop ane) 210574-2 (Nat.
An important point after buying a device A.O. Smith LB/LW 500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought A.O. Smith LB/LW 500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data A.O. Smith LB/LW 500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith LB/LW 500 you will learn all the available features of the product, as well as information on its operation. The information that you get A.O. Smith LB/LW 500 will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith LB/LW 500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime A.O. Smith LB/LW 500.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith LB/LW 500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith LB/LW 500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
