2020-2021 Purchasing Guide Volume 2

Water Heaters | PLUMBING

a

b-d

e-f

A.O. Smith ® Residential Tankless Water Heater

UNIFORM ENERGY FACTOR (UEF)

MAX GPM BTU

CA COMPLIANT

PART #

MFG # TYPE GAS TYPE

WIDTH HEIGHT DEPTH

a 754125 | ATI-140H-N Indoor Natural Gas

6.6

120,000

13-7/8"

22-7/8"

10-13/16"

.93

Yes

| See Footnote

A.O. Smith ® Residential Condensing Tankless Gas Water Heaters

UNIFORM ENERGY FACTOR

MAX GPM BTU HEIGHT WIDTH DEPTH VENT TYPE

CA COMPLIANT

PART #

MFG # TYPE GAS TYPE

b 837718 | ATI-240H-N Indoor Natural Gas

6.6 160,000 23.63"

17-3/4"

11-1/4"

PVC

0.94

Yes

c 867683

ATI-340H-N Indoor Natural Gas

8 190,000 23-5/8"

17-3/4"

11-1/4"

PVC

0.95

Yes

d 627551 | ATI-540H-N Indoor Natural Gas

10 199,000 23.63"

17-3/4"

11-1/4"

PVC

0.93

Yes

| See Footnote

A.O. Smith ® Condensing Tankless Water Heater With Integrated Recirculation Pump

UNIFORM ENERGY FACTOR

MAX GPM BTU HEIGHT WIDTH DEPTH VENT TYPE

CA COMPLIANT

PART #

MFG # TYPE GAS TYPE

e 837702 | ATI-540P-N Indoor Natural Gas f 837703 | ATI-540P-P Indoor Liquid

10 199,000 23-5/8"

17-3/4"

11-1/4"

PVC

0.93

Yes

17-3/4"

11-1/4"

PVC

0.93

Yes

Propane 10 199,000 23-5/8"

| See Footnote

WARNING : California Residents, this product contains chemical(s), which is/are known to the State of California to cause cancer and/or birth defects or other reproductive harm. Find more information by visiting hdsupplysolutions.com to review the specific product details.

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3 EASY WAYS TO ORDER

MOBILE APP

1.800.431.3000

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