Best Clage M3 2026

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Last Updated - 03.02.2026

Best Choice

01

Stiebel Eltron

STIEBEL ELTRON DEM 3 Electronic Mini Instantaneous Water Heater Only for Hand Wash Basin, 3.5 kW, with Plug 230 V, Pressure-resistant and Pressureless, VDE Tested, 231001

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9.7

Exceptional

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Main highlights

Temperature increase of the water by 25 degrees: the outlet temperature at the tap depends on the cold water inlet in the building. Hot water flow rate: max. 2.0 l/min
Installation: only horizontal over- or under-counter wall mounting. Earthing contact plug 230 V
Fitting: for pressure-resistant (recognizable on the 2 connection hoses) and pressureless fitting (recognizable by the 3 connection hoses)
Efficient: Includes special aerator (included) for pleasantly soft water jet. Saves water and energy without sacrificing comfort
Country approval: Germany, Austria, Czech Republic, France, Netherlands
Box contents: Stiebel Eltron instantaneous water heater DEM 3, special aerator, connection hose 3/8, strainer, operating and installation instructions, T-piece 3/8
Areas of use: instantaneous water heater with plug for hand washbasins in the guest toilet. Immediately lukewarm water (approx. 35°C). Not suitable for kitchen and bathroom - a Stiebel Eltron small storage tank or instantaneous water heater from 11 kW is required

250,59 €
Value for Money

02

Stiebel Eltron

STIEBEL ELTRON DEM 3 Electronic Mini Instantaneous Water Heater Only for Hand Wash Basin, 3.5 kW, with Plug 230 V, Pressure-resistant and Pressureless, VDE Tested, 231001

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Temperature increase of the water by 25 degrees: the outlet temperature at the tap depends on the cold water inlet in the building. Hot water flow rate: max. 2.0 l/min
Installation: only horizontal over- or under-counter wall mounting. Earthing contact plug 230 V
Fitting: for pressure-resistant (recognizable on the 2 connection hoses) and pressureless fitting (recognizable by the 3 connection hoses)
Efficient: Includes special aerator (included) for pleasantly soft water jet. Saves water and energy without sacrificing comfort
Country approval: Germany, Austria, Czech Republic, France, Netherlands
Box contents: Stiebel Eltron instantaneous water heater DEM 3, special aerator, connection hose 3/8, strainer, operating and installation instructions, T-piece 3/8
Areas of use: instantaneous water heater with plug for hand washbasins in the guest toilet. Immediately lukewarm water (approx. 35°C). Not suitable for kitchen and bathroom - a Stiebel Eltron small storage tank or instantaneous water heater from 11 kW is required

205,99 €
03

CLAGE

CLAGE M3/END 1500-17243 Small Hydraulic Tankless Water Heater M3 in Set with Single-Lever Sink Tap END, 3.5 kW, with Plug, Only for Pressureless Fittings, VDE-GS Tested

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versions - M3 is also available as a complete set with matching fitting. For installation above the removal point, there are overtable device variants where the water connections point downwards.
Provides warm water without heat - No storage, water is heated directly in the flow.
Installation - The device is connected directly to the connection hoses of the tap under the sink. The clip-on wall bracket, external 10 cm water connections and the standard prepared connection cable ensure quick and easy installation.
Extra long life - The IES blank wire heating system is efficient, ensures a long service life, low calcification and is also very maintenance-friendly. The heating cartridge can be replaced.
Energy-saving - Compared to a 5-litre small storage, up to 85% energy can be saved. This is up to 70 euros less operating costs annually.
Easy to use: hydraulically controlled small instantaneous water heater for supplying a single sink (e.g. in guest toilets, tea kitchens or commercial sanitary rooms). The device is only compatible with pressureless fittings (low pressure fittings) and is good as a replacement for old small tanks. The small instantaneous water heater is not suitable for increased hot water requirements (e.g. in the kitchen and bathroom).
Box contents: CLAGE instantaneous water heater (made in Germany), multilingual use and assembly instructions (English language not guaranteed), special aerator, mounting material, power cable, M3 with Schuko plug.

169,95 €
04

AEG

AEG hydraulic small instantaneous water heater, ready to plug, without pressure for hand sinks., white, 189554

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use: small instantaneous water heater for the supply of lukewarm water for the hand basin in the guest toilet (not suitable for shower or bath).
Made in Germany: Up to 66% energy and 50% water savings compared to a 5 litre small storage tank.
Easy and space-saving installation: flexible over- or under-sink installation, suitable for both pressure (closed) and low pressure (open) fittings.
Comfort function: temperature increase up to 25 °C possible, outlet temperature depending on inlet temperature, flow rate internally adjustable approx. 2.0 l/min., good water distribution thanks to the included aerator.
Box contents: 1 x AEG small instantaneous water heater 189554 MTH 350 with plug, strainer, special aerator, connection hose 3/8 (50 cm length, seals), operating / installation instructions (English language not guaranteed). Weight: 1.5 kg; H x W x D 14.3 x 19 x 8.2 cm

114,21 €
05

Stiebel Eltron

DNM Small Instant Water Heater

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Temperature increase of the water by 25 degrees: the outlet temperature on the tap depends on the cold water inlet in the building; hot water flow rate: max; 2.0 l/min
Temperature increase by approx. 25 °C
Pressure-free operation
No standby or distribution losses
Installation: only horizontal over- or under-table wall mounting; earthing contact plug 230 V
Fitting: only for pressure-free fitting (recognizable by the 3 connection hoses)
Efficient: includes special aerator (included) for pleasantly soft water jet; saves water and energy without sacrificing comfort
Country approval: Germany, Austria
Box contents: Stiebel Eltron instantaneous water heater DNM 3, special aerator, sieve, operating and installation instructions (English language not guaranteed)
Areas of use: mini instantaneous water heater with plug for hand washbasin in the guest toilet; immediately lukewarm water (approx. 35°C); not suitable for kitchen and bathroom - here a Stiebel Eltron small storage tank or instantaneous water heater from 11 kW is necessary

104,05 €
06

Comfee

COMFEE CWH3.5EA1W Mini Instantaneous Water Heater 3.6 kW for Hand Sink, Electric Instantaneous Water Heater, Small 230 V Under-Table, Electronically Regulated, Pressure-Resistant, Instant Water

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Space-saving and invisible – ideal for small spaces: compact under-sink instantaneous water heater (only 18.5 cm high) - fits perfectly under any sink in guest toilets, offices or workshops. No more bulky boiler!
Plug and play - easy installation: Includes Pre-assembled connection set (3 cm) and Schuko plug - quick installation under the sink. (Compartment installation recommended)
Intelligent electronics - safe and precise: electronically controlled water temperature - no sudden cold or too hot water. Protects sensitive skin when washing hands or shaving.
Instant warm water - no long waiting: hot water in seconds - no flow like old storage devices. Simply turn on the tap and enjoy immediately
Energy & Water Saving - Environmentally Friendly: No standby consumption like storage devices - Hot water only when needed. Saves energy and water compared to conventional small storage systems.

109,99 €
07

Comfee

COMFEE CWH3.5EA1W Mini Instantaneous Water Heater 3.6 kW for Hand Sink, Electric Instantaneous Water Heater, Small 230 V Under-Table, Electronically Regulated, Pressure-Resistant, Instant Water

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Space-saving and invisible – ideal for small spaces: compact under-sink instantaneous water heater (only 18.5 cm high) - fits perfectly under any sink in guest toilets, offices or workshops. No more bulky boiler!
Plug and play - easy installation: Includes Pre-assembled connection set (3 cm) and Schuko plug - quick installation under the sink. (Compartment installation recommended)
Intelligent electronics - safe and precise: electronically controlled water temperature - no sudden cold or too hot water. Protects sensitive skin when washing hands or shaving.
Instant warm water - no long waiting: hot water in seconds - no flow like old storage devices. Simply turn on the tap and enjoy immediately
Energy & Water Saving - Environmentally Friendly: No standby consumption like storage devices - Hot water only when needed. Saves energy and water compared to conventional small storage systems.

96,99 €
08

Thermoflow

Thermoflow Elex 5.5 kW Instantaneous Water Heater 230 V | Pressureless Small Instantaneous Water Heater | Hot Water up to 40 °C | G 3/8 Inch Connection | 3 L/min | Instantaneous Water Heater for Sink

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Water heater: The Elex 5.5 electric instantaneous water heater ensures pleasantly tempered water up to 40 °C and can be used as an under-sink device or as a instantaneous water heater for top table installations
Installation: The water heater has G 3/8 inch connections and is mounted on a wall. With dimensions of 18 (H) x 13 (W) x 6.8 (D) cm, the small instantaneous water heater is
Energy-saving: the 5.5 kW instantaneous water heater allows efficient water heating thanks to energy efficiency class A. The annual power consumption of the Thermoflow instantaneous water heater is 461 kWh
Box contents: the Thermoflow Elex 5.5 low-pressure instantaneous water heater is not ready to plug in and comes with instruction manual and mounting material. A low-pressure fitting is mandatory for commissioning
Areas of use: thanks to the power of 5.5 kW and a hot water output of 3 l/min. The electric water heater is suitable as an instantaneous water heater for the kitchen or washbasin

67,64 €
09

AEG

AEG hydraulic small instantaneous water heater, ready to plug, without pressure for hand sinks., 231003

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8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Use: space-saving small instantaneous water heater: immediately and unlimited lukewarm water for ecological, economical use, for individual water points, e.g. Hand wash basin in the guest toilet.
Simply economical: Made in Germany: saves up to 66% energy and 50% water compared to a 5 litre small tank, solar suitable up to 60 °C
Easy and space-saving installation: flexible over- or under-sink installation, suitable for both pressure (closed) and low pressure (open) fittings, ready to plug.
Constant water temperature: outlet temperature depends on inlet temperature, temperature increase up to 25°C possible, flow rate approx. 2.0 l/min.
Box contents: 1x AEG small instantaneous water heater 231003 MTE 350 with plug, strainer, special aerator, connection hose 3/8 inch (50 cm with seals), T-piece 3/8 inch for pressure-resistant installation, operating installation instructions (English language not guaranteed). Weight: 1.5 kg (H x W x D): 14.3 x 19 x 8.2 cm.

186,95 €
10

AEG

AEG hydraulic small instantaneous water heater, ready to plug, without pressure for hand sinks., 231003

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7.9

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Use: space-saving small instantaneous water heater: immediately and unlimited lukewarm water for ecological, economical use, for individual water points, e.g. Hand wash basin in the guest toilet.
Simply economical: Made in Germany: saves up to 66% energy and 50% water compared to a 5 litre small tank, solar suitable up to 60 °C
Easy and space-saving installation: flexible over- or under-sink installation, suitable for both pressure (closed) and low pressure (open) fittings, ready to plug.
Constant water temperature: outlet temperature depends on inlet temperature, temperature increase up to 25°C possible, flow rate approx. 2.0 l/min.
Box contents: 1x AEG small instantaneous water heater 231003 MTE 350 with plug, strainer, special aerator, connection hose 3/8 inch (50 cm with seals), T-piece 3/8 inch for pressure-resistant installation, operating installation instructions (English language not guaranteed). Weight: 1.5 kg (H x W x D): 14.3 x 19 x 8.2 cm.

146,99 €