Customer ratings

Name: SLIM Hot Water Boiler / stainless steel / 15-25 litre
Brand: ISOTHERM
Price: 598.95 EUR
Availability: InStock
Rating: 4.4 (9 reviews)

SLIM Hot Water Boiler / stainless steel / 15-25 litre

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from 203680 Ratings

5,0/5.0 stars

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(9)

ISOTHERM SLIM Hot Water Boiler / stainless steel / 15-25 litre

€678.30

from €598.95

3 variants

4.4 (out of 9 ratings)

5 Stars

(7)

4 Stars

(1)

3 Stars

(0)

2 Stars

(0)

1 Stars

(1)

Advantages
Volume (3)
Weight (3)
Features (3)
Price/performance ratio (2)
Quality (2)
Mounting/Installation (2)
Insulation (3)
Heat-up time (3)
Lifespan (3)

Disadvantages
Price/performance ratio (1)
Quality (1)
Mounting/Installation (1)

by Hans-Joachim L.

4/6/2025 Verified purchase Variant: 40361

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super

Couldn't be better

Advantages
Volume
Weight
Features
Price/performance ratio
Quality
Mounting/Installation
Insulation
Heat-up time
Lifespan

by Christian M.

11/22/2024 Verified purchase Variant: 40362

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Great product

Unfortunately the dimensions don't fit the installation location. But as always, the ordering, delivery and return process is superb.
I always like to shop locally.

Advantages
Volume
Weight
Features
Price/performance ratio
Quality
Insulation
Heat-up time
Lifespan

Disadvantages
Mounting/Installation

by Ronald H.

10/21/2023 Verified purchase Variant: 40361

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Top delivery service

Top delivery service and advice

by Ingo B.

7/23/2023 Variant: 40360

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Very good addition to everyday life on board. The water gets very hot both from the engine and 220 volts. This saves a lot of gas both when cooking and when washing up. We also use the hot water for our outdoor shower on the back deck. With the 15 Lite

so.

by Walter V.

7/30/2021 Variant: 40360

Perfect boiler for Live aboards

We replaced our old boiler for this one
Its hot and only needs a short 10 min period to warm up and stay warm for at least half a day

Easy to install and easy to connect. Also heard in engine
Not cheap but a good quality for a fair price

by Tanel M.

7/6/2021 Verified purchase Variant: 40360

Fast delivery

by Thomas B.

6/29/2020 Verified purchase Variant: 40360

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Is already built in. Test is still pending.

by emanuele P.

10/28/2025 Verified purchase Variant: 40362 in use on a Kirie Constructions Nautique - Feeling 36

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Isotemp SLIM 25 Boiler

The multilingual user manual is not updated. It says to check the lever for releasing the super pressure but there is no lever. It says that in case of blockage you have to act on the thermostat button by removing the cover that protects the contacts and pipes since there will not be space to unscrew the screws that fix the cover to the boiler body. I will make a hole in the cover to be able to operate the button directly, I will close this hole with adhesive tape.

Advantages
Volume
Weight
Features
Mounting/Installation
Insulation
Heat-up time
Lifespan

Disadvantages
Price/performance ratio
Quality

by Rodrigo R.

2/17/2023 Variant: 40360

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Damaged product

I have bought this product from SVB twice and both times it has arrived damaged!

I think that the company should review this type of shipment, especially if it has already sent a damaged one. However, I must say that the attention of the SVB staff has always been very kind to solve the problems.

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