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Best Thermoflow Ut5 - Holiday Sale

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Last Updated - 18.12.2025

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01

Thermoflow

Hydrex 21 Boiler Water Heater 21 kW Hydraulically Controlled Thermoflow

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9.9

Exceptional

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

Installation: The Thermoflow instantaneous water heater with G 1/2 inch connections can be attached to the wall. With 47.2 (H) x 25.5 (W) x 11.5 (D) cm, the hot water under-sink device can be mounted to save space
Flow heater: with 400 V and 21 kW power, the Hydrex 21 instantaneous water heater ensures hot water up to max. 55°C The instantaneous water heater is pressure-resistant and is suitable for fixed connections - without plug
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the under-sink instantaneous water heater allows efficient water heating with an annual power consumption of 450 kWh
Box contents: the Thermoflow Hydrex 21 comes without plug and connection cable. Includes shut-off valve and thread extension for water connections. Before commissioning, the under-sink device must be filled with cold water
Areas of use: thanks to the power of 21 kW and a hot water output of 11.8 l/min. (Δt 25°C), the Hydrex 21 can be used as an instantaneous water heater for the washbasin, bathroom or kitchen

153,95 €
02

Thermoflow

Thermoflow UT 10 Undersink Storage Unpressurised Hot Water Boiler 10 L Storage Volume Electric Hot Water Boiler G 3/8 Inch Connection 35-75 °C 65 °C in 20 Minutes

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9.7

Exceptional

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

Mounting: the hot water boiler with G 3/8 inch connection can be mounted on a wall. With a dimensions of 45.8 (H) x 31 (W) x 27.85 (D) cm, the 10 litre small storage tank can be mounted to save space
Hot water storage: the ready-to-plug electric hot water tank, with automatic frost protection, has a storage volume of 10 litres and can be mounted as a hot water undersink device
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the Thermoflow under-sink boiler allows efficient water heating with an annual power consumption of 513 kWh
Box contents: the Thermoflow UT10 low pressure boiler comes ready for plug, including instruction manual (English language not guaranteed). A low-pressure fitting is mandatory for commissioning the small reservoir
Areas of use: with a heating time of 20 minutes. From 10 °C to 65 °C, the 10 litre under-sink unit ensures pleasantly tempered water and is ideal as a boiler in the kitchen or bathroom

109,00 €
Value for Money

03

Thermoflow

Thermoflow top/under-sink storage

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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

Mounting: the hot water boiler with G 3/8 inch connection can be mounted on a wall. With a dimensions of 42 (H) x 27 (W) x 18 (D) cm, the 5 litre small storage tank can be mounted
Hot water storage: the ready-to-plug electric hot water tank, with automatic frost protection, has a storage volume of 5 litres and can be mounted as a hot water under sink device
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the Thermoflow UT5 under-sink boiler allows efficient water heating with an annual power consumption of 490 kWh
Box contents: the Thermoflow UT5 low pressure boiler comes ready for plug, including instruction manual (English language not guaranteed). A low-pressure fitting is mandatory for commissioning the small reservoir
Areas of use: with a heating time of 10 minutes. From 10 °C to 65 °C, the 5 litre under-sink unit ensures pleasantly tempered water and is suitable as a boiler in the kitchen or bathroom

43,46 €
04

AEG

AEG Boiler BOI 5 U, Under-Sink Boiler 5 Litres Low Pressure with Plug 230 V for Kitchen Sink and Wax Basin, 2 kW, Made in Germany, 204616

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9.4

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

Safety and quality: child lock thanks to adjustable temperature limit/scald protection; tested safety by VDE testing institute, frost protection, made in Germany
Installation: easy installation, with plug (socket and cold water connection sufficient), under-sink mounting
Energy-saving functions: high quality thermal insulation, low standby consumption, energy efficiency class A
Comfortable operation: selectable desired temperature, infinitely adjustable from 35 to 85 °C
Box contents: a AEG small storage, operating and installation instructions (English language not guaranteed), wall hanging
Areas of use: open boiler 5 l under-sink for a water point in the kitchen and bathroom; Warning: use only with low pressure/pressureless tap – recognizable on the 3 connection hoses – hose shower fitting is only to be used with kink protection

69,90 €
05

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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9.3

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

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

72,74 €
06

Thermoflow

Thermoflow top/under-sink storage

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9.1

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

Mounting: the hot water boiler with G 1/2 inch connection can be mounted on a wall. With a dimensions of 42 (H) x 27 (W) x 18 (D) cm, the 5 litre small storage tank can be mounted
Hot water storage: the electric hot water tank, with automatic frost protection, has a storage volume of 5 litres and is suitable as a hot water boiler for overtable installations
Energy-saving: thanks to the energy-saving mode and energy efficiency class A, the Thermoflow OT5 top table boiler allows efficient water heating with an annual power consumption of 490 kWh
Box contents: the Thermoflow OT5 low pressure boiler comes ready for plug, including instruction manual (English language not guaranteed). A low-pressure fitting is mandatory for commissioning the small reservoir
Areas of use: with a heating time of 10 minutes. From 10 °C to 65 °C, the overtable boiler ensures pleasantly tempered water and is suitable as a small boiler in the kitchen or bathroom

59,99 €
07

Thermoflow

Thermoflow DS 5U Under-Sink Storage / Low Pressure Storage / Hot Water Boiler 5 L Storage Volume / G 1/2 Inch Connection / 30-65 °C / Suitable for Low Pressure Fittings / with Metal Tank / Energy

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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

Mounting: The hot water boiler with G 1/2 inch connection can be mounted on a wall. With a dimension of 32.8 (H) x 23.4 (W) x 22.7 (D) cm, the 5 litre small storage tank can be installed to save space. Suitable for low pressure fittings. The metal tank also allows for pressure-resistant installation.
Hot water storage: the ready-to-plug electric hot water tank has a storage volume of 5 litres and can be mounted as a hot water undersink device. The integrated metal tank ensures high durability and stability.
Energy-saving: thanks to the energy-saving mode and energy efficiency class B, the Thermoflow DS 5U under-sink boiler allows efficient water heating with an annual power consumption of 563.4 kWh
Box contents: the Thermoflow DS 5U boiler comes ready to plug in with instruction manual. Before starting up the small tank, the device must be filled with cold water.
Areas of use: with a heating time of 14 minutes. from 10 °C to 65 °C, the 5-litre under-sink unit ensures pleasantly tempered water and is suitable as a boiler in the kitchen or sink. Suitable for low pressure fittings - ideal for single dispensing points.

95,75 €
08

Stiebel Eltron

Newest generation Stiebel Eltron boiler UFP 5 Trend with thermostop function, very compact, under-sink boiler 5 litres low pressure, with plug 230 V, 2 kW, made in Germany, 204966

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8.7

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

Space-saving miracle: for more space under the kitchen sink
Safety: integrated anti-scald protection; 4-stage temperature limitation
Fitting + installation: low-pressure tap required – use of a pressure tap not allowed; only vertical under sink mounting; ready for plug: 230 V; easy wall mounting thanks to universal mounting strip; easy replacement of previous models
Energy-saving: the most compact of its kind with the lowest power consumption; the energy-saving thermostop function prevents unwanted heating of the fitting
Country approval: Germany, Austria, Poland
Comfort features: continuous temperature setting via high-quality rotary selector with tactile detent
Box contents: Stiebel Eltron small storage tank UFP 5 Trend, operating and installation instructions, wall hanging
Areas of use: pressureless boiler for the sink in the bathroom or the sink in the kitchen

103,70 €
09

AEG

AEG Electric Water Heaters with Small Storage Tank, white, 222162

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8.6

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

Safe: tested safety by VDE testing institute, frost protection position
Please note: use only with low pressure/pressureless fittings, recognizable on the 3 connection hoses, do not use a hose shower fitting
Made in Germany
High hot water comfort for a water point: immediately hot water in the kitchen and bathroom
Economical and efficient: high-quality thermal insulation, low standby consumption, energy saving setting, energy efficiency class A
Easy temperature selection: stepless from 35-85°C, temperature selection limitation possible to 45/55/65°C
Easy installation: ready to plug, under-sink mounting

74,99 €
10

Thermoflow

Thermoflow Set Top/Under-Sink Storage

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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

robustness
Quality/Durability
Flexible design
Durability

89,00 €