Under Sink Instantaneous Water Heaters

Shop all Instant Water Heaters

All Under Sink Instantaneous Water Heaters

At Heater Shop, we supply constant and efficient domestic hot water heating with instantaneous water heaters. Instant water heater appliances are compact in design and offer output high enough to heat the water.

Related articles

Why choose an Electric Combi boiler?

Feb 27

Electric combination boilers are becoming increasingly popular as alternatives to gas boilers. They work by using electricity to deliver heat to radiators and to provide hot water. Benefits: Ele...

Read more

Product reviews

4.7100% Positive (3 reviews)

Ratings based on data collected by third party reviewing platform.

5
67%
4
33%
3
0%
2
0%
1
0%
Good

Trusted Customer
23 March 2021 09:18

Stiebel Eltron DEM 6 Set Instantaneous Unvented Water Heater

Not connected it up yet - waiting for electrician to add 40 amp MBO to consumer unit

View product

Item delivered BEFORE expected date

Excellent

Lee Ellingworth, Leicester
4 January 2021 09:08

Stiebel Eltron DEM 3 Set Instantaneous Unvented Water Heater

Best price you will find anywhere!

View product

Really good service, very polite and knowledgeable and extremely quick delivery!

Thank you very much for the really wonderful feedback.

Excellent

Trusted Customer
6 November 2018 22:04

Stiebel Eltron DEM 3 Set Instantaneous Unvented Water Heater

Efficient and helpful. Product delivered on time.

View product

Efficient and helpfulet.

Thank you for your really great 5 star review.

Need help?
Chat with us

We are online and available to answer your sales and customer services queries.

Enter your details and click begin to speak with one of our advisors.