Operating Guide

17 West Street | West Hatfield, MA 01088 | Toll Free 800.582.2213 | Phone [phone] | Fax [phone] | [e-mail] | www.aptankless.com
1.5
1.0
High
0.75
Med
Lavatory Sink
Kitchen Sink
Flow
GPM
at 7.2 kW at 9.6 kW
AQE 12
Std.
Low
Low
Low
Med
Std.
High
Non-
Code
Std.
0.5
0.5
1.0
1.0
2.0
1.5
1.0 - 2.0
2.5
2.0 - 3.0
1.5
*Max. number of sinks that can be serviced by one unit
*5 *4
*2
1 Shower
Multiple Sinks
Utility/
Janitor
Sink
Recommendations for 240 V
units are correct if installed
with 240 V service.
Increase one model size if
unit will be installed with
208 V service.
Call Aqua Power® at 800.582.2213 if you
have any sizing questions, or an
out-of-the-ordinary situation. Aqua Power®
service representatives can make recom-
mendations on sizing, or provide assistance
with our water heaters, to both homeowners
and professional installers.
FL
Cool (Northern) Climate
Inlet water
45°F - 55°F
Cool (Northern) Climate
Inlet water
45°F - 55°F
Warm (Southern) Climate
Inlet water
55°F - 70°F
HI
AK
MB
ON
QC
PE
NS
NH
VT
MA
CT
RI
NJ
DE
MD
NB
ME
NY
PA
WV
VA
NC
KY
TN
SC
GA
MS
AL
MO
AR
LA
TX
FL
OH
IN
IL
ID
OR
WA
NV
MT
WY
UT
AZ
CA
NM
CO
IA
MN
ND
SD
NE
KS
OK
MI
WI
AB
SK
BC


*4 *3*3 *2
AQE Sizing Guide
Single or Multiple Point Tankless Electric Water Heater
240 V
Requires 60 A
circuit breaker
240 V
Requires 50 A
circuit breaker
240 V
Requires 40 A
circuit breaker
AQE 8/10
‡
‡ AQE 8/10 is a single unit that is switchable at installation
via jumper for output at 7.2 kW (Stage 1) or 9.6 kW (Stage 2).