Stiebel Eltron Mini POU Electric Tankless Water Heater


Weight: 7.00 lbs
MPN: 231045

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Get the superior, reliable, and energy-saving tankless electric water heater for point-of-use applications.

The Stiebel Eltron Mini line was designed for point-of-use use. The Mini heats up water instantaneously while it flows through the unit. Any standby heat loss is completely eliminated.

Its heating elements are efficiently controlled by a flow switch. In addition, all Mini water heaters come with a safety high-limit and a manual reset. It is made with meticulous German engineering and the highest quality materials to ensure that every Mini lasts many years of trouble-free service.

Tankless water heaters are recommended for use with flow controls and faucet aerators. The Mini 2-1 is restricted to a maximum output of 0.32 GPM. The Mini 2-1, 2.5-1 and 3-1 models come with a 0.5 GPM pressure aerator / flow reducer. The Mini 3.5-1 and 4-2 feature a 0.66 GPM pressure compensating aerator / flow reducer. All aerators can fit most faucets. No drains, pressure relief valves, or circulating pumps are needed.


• Major energy savings
• Extremely compact design saves space
• Proven reliability
• Unlimited hot water supply
• Sleek design is appealing and can be mounted in plain sight

Sizing Guide

Technical Specifications

Mini 2-1 Mini 2.5-1 Mini 3-1 Mini 3.5-1 Mini 4-2 Mini 6-2
Voltage 120 V 120 V 120 V 120 V 240 V 208 V 240 V 208 V
Wattage 1.8 kW 2.4 kW 3.0 kW 3.5 kW 3.5 kW 2.6 kW 5.7 kW 4.3 kW
Amperage 15 20 25 29 14.6 12.7 23.8 20.6
Required circuit breaker size 15 A (SP) 20 A (SP) 25 A (SP) 30 A (SP) 15 A (DP) 25 A (DP)
Required wire size 14 AWG 12 AWG 10 AWG 10 AWG 14 AWG 10 AWG
Minimum water flow 0.21 GPM 0.40 GPM 0.40 GPM 0.40 GPM 0.40 GPM 0.77 GPM
Weight 3.44 lbs
Dimensions 6.5" x 7.5" x 3.25"
Volume of water in unit 0.026 gal
Working pressure 150 psi
Tested to pressure 300 psi
Water connections 3/8" outside diameter flexible braided stainless steel hose connectors


Installation manual
Warranty information
Sizing guide
Technical information

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Average Customer Rating:

2 most useful customer reviews
Lonny Watne
Jan 8, 2020
This customer purchased this item.
Even though this was the wrong item, my mistake, working with GadgetsGo staff was a great experience and they made the return very easy. I plan to use them and recommend them for future purchases.
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Mar 6, 2016
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