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The Tempra® 24 Plus line features a unique Advanced Flow Control function, which ensures that you’ll never be surprised by a cold shower. It also features two different temperature memory presets, making it easy to adjust for personalized needs. Thanks to these and other innovations, the Tempra® Plus ensures that you’ll enjoy endless hot water along with unrivaled efficiency. (240/208V, 24 kW copper tankless electric w. Advanced Flow Control)
Tempra® Plus has self-modulation. Self-modulation ensures that only the least amount of energy is used at all times. The Advanced Flow Control function ensures a steady output temperature even if flow rates vary up or down, like when hot water is being used and an additional tap is opened or closed.
Features:
Proven reliability from the world leader
Unlimited supply of hot water
Sleek design saves space
No venting required
Provides continuous hot water on demand
Saves energy-with auto-modulation
7/3-year warranty
Tempra® Plus features exclusive Advanced Flow Control™, invented by Stiebel Eltron and awarded German patent DE 3805441 C2 and other patents
Number & min. recommended size of circuit breakers (1) (DP)
1 x 50 A
2 x 30 A
2 x 40 A
2 x 35 A
2 x 50 A
3 x 40 A
3 x 35 A
3 x 50 A
Number of runs & min. recommended wire size (2) (copper)
1 x 8/2 AWG
2 x 10/2 AWG
2 x 8/2 AWG
2 x 8/2 AWG
3 x 8/2 AWG
3 x 8/2 AWG
Maximum Flow Rate at Ambient Water Temperature
42°F
1.3 GPM
1.6GPM
2.1 GPM
2.6 GPM
3.1 GPM
3.9 GPM
52°F
1.6 GPM
1.9 GPM
2.5 GPM
3.1 GPM
3.7 GPM
4.6 GPM
62°F
1.9 GPM
2.4 GPM
3.1 GPM
3.8 GPM
4.6 GPM
5.7 GPM
72°F
2.5 GPM
3.1 GPM
4 GPM
5 GPM
6 GPM
7.5 GPM
Maximum temperature increase above ambient water temp
@ 1.50 GPM
54 °F
41 °F
65 °F
49 °F
88 °F
66 °F
92 °F
82 °F
92 °F
92 °F
92 °F
92 °F
@ 2.25 GPM
36 °F
27 °F
43 °F
37 °F
58 °F
44 °F
73 °F
54 °F
87 °F
66 °F
92 °F
82 °F
@ 3.00 GPM
27 °F
20 °F
33 °F
25 °F
44 °F
33 °F
54 °F
41 °F
66 °F
49 °F
82 °F
61 °F
@ 4.50 GPM
-
-
-
-
29 °F
22 °F
37 °F
27 °F
44 °F
33 °F
55 °F
41 °F
Min. water flow to activate unit
0.37 gpm (1.4 l/min)
0.50 gpm (1.9 l/min)
0.50 gpm (1.9 l/min)
0.50 gpm (1.9 l/min)
0.77 gpm (2.9 l/min)
0.77 gpm (2.9 l/min)
Weight
13.5 lb (6.1 kg)
16.1 lb (7.3 kg)
16.1 lb (7.3 kg)
16.1 lb (7.3 kg)
19.0 lb (8.6 kg)
19.0 lb (8.6 kg)
Nominal water volume
0.13 gal (0.5 l)
0.26 gal (1.0 l)
0.26 gal (1.0 l)
0.26 gal (1.0 l)
0.39 gal (1.5 l)
0.39 gal (1.5 l)
Max. inlet water temperature
131 °F (55 °C)
Dimensions
Width 165 /8˝ (42.0 cm) x Height 14½˝ (36.9 cm) x Depth 45 /8˝ (11.7 cm)
Minimum pressure
30 psi (2 bar)
Working pressure
150 psi (10 bar)
Tested to pressure
300 psi (20 bar)
Water connections
¾˝ NPT
1. Overcurrent protection sized at 100% of load. Tankless water heaters are considered a non-continuous load.
2. Copper conductors with a temperature rating of 75 °C or greater must be used. Conductors should be sized to maintain a voltage drop of less than 3% under load.
3. Requires minimum 150 A main service.
4. Requires 200 A main service.
5. Requires 300 A main service.
6. 29 Trend/Plus & 36 Trend/Plus may be wired for balanced 3-phase 208 V. 15 Trend/Plus, 20 Trend/Plus, 24 Trend/Plus may be wired for unbalanced 3-phase 208 V