Instruction/ maintenance manual of the product 977 Series A.O. Smith
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1 COMMERCIAL WATER HEATER PARTS LIST Model BTH-300A Model BTH-400A Series 976/977 PRINTED IN U.S.A. 0606 PART NO. 197177-002 BLOWER/BURNER ASSEMBLY See Page 5 GAS VALVE See Page 5 OPERATING CONTROL WI.
2 BTH 300A BTH 400A Item Description 97 6/977 97 6/977 1 Cleanout Gasket ........ 9004099015 ....... 9004099015 2 Cover, Cleanou t ......... 9004098005 ....... 9004098005 3 Temperature and Pressure Relief Valve . . . 9005903205 ....... 9005903205 CYCLONE XHE BTH 300A/400A - PARTS LIST Standard hardware items may be purchased locally.
3 BTH 300A BTH 400A Item Description 976/977 976/977 1 Switch, On/Off ....................................................................................... 9005929215 ... 9005929215 2 VFD & Control Assembly ......................................
4 CYCLONE XHE BTH 300A /400 A - CONNECTIONS (Continued).
5 GAS VALVE BTH 300A BTH 400A Item Description 976/977 976/977 1 Switch, Low Gas Pressure .... 9006084215 ........... 9006084215 LP Gas .................................. 9004474215 ........... 9004474215 2 Valve, NAT Gas ........ ............ 9006085205 .
6 BTH 300A BTH 400A Item Description 97 6/977 976/977 EXHAUST ELBOW AND FITTINGS 1 Exhaust Elbow Assembly ............................................................................................ 9006109205 .. ... 9006109205 2 Tubing ..............
7 BTH 300A BTH 400A Item Description 976/977 976/977 1 Anode ........................................................................................................ 194787 ... ....... 1 94787 2 Control Box ............................................
8 A.O. Smith Water Heater Parts Fulfillment 125 Southeast Parkway Franklin, TN 37068 1-800-433-2545 www.hotwater.com.
An important point after buying a device A.O. Smith 977 Series (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 977 Series 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 977 Series - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith 977 Series 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 977 Series will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith 977 Series, 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 977 Series.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith 977 Series. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith 977 Series 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
