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Piping Diagram
LINEAR-TEMP* System - Wiring Diagram 300-2, 399-2, 420-2, 520-2 OR 670-2
Series 302
Piping Diagram
Single Flue (1 Unit) Diagram (AOSCG61130)
Series 250
For Models:
BT-60 250
BT-60 251
Piping Diagram
Single Flue (1 Unit) with Mixing Valve Diagram (AOSCG61160)
Series 250
For Models:
BT-60 250
BT-60 251
Piping Diagram
Single Flue (1 Unit) with Vertical Storage Tank Diagram (AOSCG61140)
Series 250
For Models:
BT-60 250
BT-60 251
Piping Diagram
Single Flue (2 Unit) Diagram (AOSCG61170)
Series 250
For Models:
BT-60 250
BT-60 251
Piping Diagram
Single Flue (2 Unit) Two Temperatures Diagram (AOSCG61180)
Series 250
For Models:
BT-60 250
BT-60 251
Piping Diagram
Commercial Electric (2 Unit) Diagram (AOSCE61040)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (2 Unit) with Horizontal Storage Tank Diagram (AOSCE61060)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (2 Unit) with Vertical Storage Tank Diagram (AOSCE61050)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (3 Unit) Diagram (AOSCE61070)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (3 Unit) with Horizontal Storage Tank Diagram (AOSCE61090.dwg)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (3 Unit) with Vertical Storage Tank Diagram (AOSCE61080.dwg)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (4 Unit) Diagram (AOSCE61100)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (4 Unit) with Horizontal Storage Tank Diagram (AOSCE61120)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Piping Diagram
Commercial Electric (4 Unit) with Vertical Storage Tank Diagram (AOSCE61110)
Series 200
For Models:
DSE-100A 200
DSE-10A 200
DSE-120A 200
DSE-20A 200
DSE-30A 200
DSE-40A 200
DSE-50A 200
DSE-5A 200
DSE-65A 200
DSE-80A 200
Why A. O. Smith?
Market Leader
A. O. Smith is a leading manufacturer of both residential and commercial water heating technologies, including the #1 most specified commercial water heater.
Commitment to Innovation
For more than 145 years, we’ve developed state-of-the art products that push new boundaries and improve the lives of our customers.
Best-In-Class Support
We combine cutting-edge technology with committed people who take pride in providing the very best support for our customers.
Unmatched Quality
Our products are put through rigorous quality and endurance testing so no matter where hot water is needed, A. O. Smith can provide a solution you can count on.
Learn more about A. O. Smith