DHX Trend & Plus Electric Tankless Water Heater Sizing Guide
17 West St., W. Hatfield, MA 01088 | 800.582.8423 | 413.247.3380 | fax 413.247.3369 | info
@
stiebel-eltron-usa.com | www.stiebel-eltron-usa.com
Simply the Best
42°F
52°F
72°F
62°F
MULTIPLE SINKS
KITCHEN SINK
(1.0-2.2 GPM)
90°F
110°
F
120°
F
120°
F
UTILITY/JANITOR’S SINK
(1.0-2.2 GPM)
LAV SINK
(0.5-1.5
GPM)
FIXTURES
& FLOW RATES
& TEMP. USED TO CALCULATE MAX. FLOW RATE
SHOWER
(1.0-2.5
GPM)
DHX 15-2 Trend
&
Plus
MAX. FLOW RATE
POSSIBLE
FIXTURES
2.0 / 1.4 GPM 2.6 / 1.7 / 1.4 GPM 3.5 / 2.0 / 1.7 GPM 5.4 / 2.6 / 2.0 GPM
14.4 kW
MAX. FLOW RATE
POSSIBLE
FIXTURES
DHX 12-2 Trend
&
Plus
1.7 / 1.2 GPM 2.1 / 1.4 GPM 2.9 / 1.7 / 1.4 GPM 4.5 / 2.1 / 1.7 GPM
12.0 kW
DHX 10-2 Trend
MAX. FLOW RATE
POSSIBLE
FIXTURES
1.4 GPM 1.7 / 0.96 GPM 2.3 / 1.1 GPM 3.6 / 1.4 GPM
9.6 kW
MAX. FLOW RATE
POSSIBLE
FIXTURES
DHX 8-2 Trend
1.0 GPM 1.3 GPM 1.7 / 1.0 GPM 2.7 / 1.3 GPM
7.2 kW
42°F 52°F 62°F 72°F
DHX 3.5-1 Trend
0.47 GPM 0.59 GPM 0.81 GPM 1.25 GPM
MAX
. FLOW RATE
POSSIBLE
FIXTURES
3.5 kW
DHX 6-2 Trend
MAX. FLOW RATE
POSSIBLE
FIXTURES
0.85 GPM 1.08 GPM 1.46 GPM 2.28 GPM
6.0 kW
DHX Trend & Plus Electric Tankless Water Heater Sizing Guide
1 Use the map to find the approximate ground water temperature where you live.
2 Check the column on the table with your ground water temperature to see how many fixtures can
be supplied at the same time with hot water.
3 Use your actual maximum flow rate to fine-tune these recommendations. If you know you have
1.5 GPM low flow showerheads, for instance, then 3 GPM would supply 2 showers at the same
time, or 1 shower plus 1 sink, etc.
Low
Flow
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