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Water Heaters

Finding the right water heater doesn't have to be complicated. At PriceRunner, we guide you through a wide selection of water heaters to suit your needs. Whether you're after an energy-efficient model or something budget-friendly, our category filters help you narrow down your choices effortlessly. Filter by brand, capacity, or price to find exactly what you need. Compare prices on millions of products from thousands of brands and retailers to ensure you get the best deal. User reviews offer insights into performance and reliability, helping you make the right decision. With our clear and straightforward listings, you can easily see which water heater fits your requirements. Ready to discover the options available to you? Start here to find the water heater that matches your needs and budget. Make your choice with confidence and enjoy the comfort of a well-heated home.

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  • Water Heaters
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500+ products

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Water Heaters Wejoy M5/M6

Wejoy M5/M6

£42.01
Or 3 interest-free payments of £14.00/mo.*
1store
Water Heaters Greenzech 3500W Water Heater with 2 Tri-clamp Boiler Brewing Beer Element

Greenzech 3500W Water Heater with 2 Tri-clamp Boiler Brewing Beer Element

Water Heater

£96.48
Or 3 interest-free payments of £32.16/mo.*
1store
Water Heaters Ferroli Pressure Water Heater Boiler Ferroli 20C 05Bar Domicompact

Ferroli Pressure Water Heater Boiler Ferroli 20C 05Bar Domicompact

Water Heater

£37.95
Or 3 interest-free payments of £12.65/mo.*
1store
Water Heaters Wejoy Constant Temperature Water Heater Small Electric Mini Water Shower

Wejoy Constant Temperature Water Heater Small Electric Mini Water Shower

Water Heater

£158.16
Or 3 interest-free payments of £52.72/mo.*
1store
Water Heaters Wejoy ATWFS

Wejoy ATWFS

£32.95
Or 3 interest-free payments of £10.98/mo.*
1store
Water Heaters Wejoy Electric Instant Heating Faucet Hot Cold Dual-use Tankless Heating

Wejoy Electric Instant Heating Faucet Hot Cold Dual-use Tankless Heating

Water Heater

£102.51
Or 3 interest-free payments of £34.17/mo.*
1store
Water Heaters Greenzech Electric Tankless Hot Water Heater 3s Instant Heating

Greenzech Electric Tankless Hot Water Heater 3s Instant Heating

Water Heater

£46.77
Or 3 interest-free payments of £15.59/mo.*
1store
Water Heaters Miller Manufacturing 125 Watt Water Heater Base

Miller Manufacturing 125 Watt Water Heater Base

Water Heater

£65.51
Or 3 interest-free payments of £21.83/mo.*
1store
Greenzech OD63 220V Electrical Heating Element Immersion Heater

Greenzech OD63 220V Electrical Heating Element Immersion Heater

£93.54
Or 3 interest-free payments of £31.18/mo.*
1store
Wejoy Heater for Pool 3000W Steel Immersion Heater

Wejoy Heater for Pool 3000W Steel Immersion Heater

Water Heater

£111.77
Or 3 interest-free payments of £37.25/mo.*
1store
Greenzech OD63 220V Electrical Heating Element Immersion Heater 3/4.5/6/9/12KW

Greenzech OD63 220V Electrical Heating Element Immersion Heater 3/4.5/6/9/12KW

£99.39
Or 3 interest-free payments of £33.13/mo.*
1store
Greenzech OD63 220V Electrical Heating Element Heater

Greenzech OD63 220V Electrical Heating Element Heater

£83.31
Or 3 interest-free payments of £27.77/mo.*
1store
Gacloz Tankless Water Heater Instant Hot Under Sink Kitchen

Gacloz Tankless Water Heater Instant Hot Under Sink Kitchen

Water Heater

£125.00
Or 3 interest-free payments of £41.66/mo.*
1store
Hyco Powerflow 90L Multipoint Unvented Water Heater

Hyco Powerflow 90L Multipoint Unvented Water Heater

Water Heater

£511.31
Or 3 interest-free payments of £170.43/mo.*
2stores
Gacloz Tankless Water Heater Instant Hot Under Sink Kitchen

Gacloz Tankless Water Heater Instant Hot Under Sink Kitchen

Water Heater

£58.73
Or 3 interest-free payments of £19.57/mo.*
1store
Wejoy Haier Electric Water Heater Magnesium Anode

Wejoy Haier Electric Water Heater Magnesium Anode

£51.06
Or 3 interest-free payments of £17.02/mo.*
1store
Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4

Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4

£125.78
Or 3 interest-free payments of £41.92/mo.*
1store
Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4

Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4

£125.78
Or 3 interest-free payments of £41.92/mo.*
1store
Eldom Favourite 80 water heater 2

Eldom Favourite 80 water heater 2

£239.00
Or 3 interest-free payments of £79.66/mo.*
1store
Ariston PRO1 ECO 100

Ariston PRO1 ECO 100

£523.20
Or 3 interest-free payments of £174.40/mo.*
1store
Ariston ANDRIS R 10L Compact Undersink

Ariston ANDRIS R 10L Compact Undersink

Volume 10L

£116.99
Or 3 interest-free payments of £38.99/mo.*
1store
Ariston ANDRIS R 10L Compact Undersink

Ariston ANDRIS R 10L Compact Undersink

Volume 10L

£143.99
Or 3 interest-free payments of £47.99/mo.*
1store
Heatrae Sadia Hotflo 10 2.2KW Water 50148

Heatrae Sadia Hotflo 10 2.2KW Water 50148

£374.54
Or 3 interest-free payments of £124.84/mo.*
1store
Wejoy Immersion Heater, Portable Submersible Water Heater

Wejoy Immersion Heater, Portable Submersible Water Heater

£33.44
Or 3 interest-free payments of £11.14/mo.*
1store
Dometic Atwood 93221 Water Heater Main Burner

Dometic Atwood 93221 Water Heater Main Burner

Water Heater

£81.91
Or 3 interest-free payments of £27.30/mo.*
1store
Whale Water Heater Electric Element- 1.5 kw

Whale Water Heater Electric Element- 1.5 kw

£144.95
Or 3 interest-free payments of £48.31/mo.*
1store
Santon 10 AL10/3 Unvented Water Heater 94050013

Santon 10 AL10/3 Unvented Water Heater 94050013

Water Heater, Volume 10L

£558.10
Or 3 interest-free payments of £186.03/mo.*
1store
Galmet warmwasserspeicher wärmetauscher warmwasserbereiter boiler speicher stehe

Galmet warmwasserspeicher wärmetauscher warmwasserbereiter boiler speicher stehe

Warmwasserbereiter

£470.46
1store
Heatrae Sadia Supreme 220SS 10 Instant Water

Heatrae Sadia Supreme 220SS 10 Instant Water

Water Heater

£1,495.95
2stores
Rointe 100L Water Heater Unvented

Rointe 100L Water Heater Unvented

Water Heater

£474.95
Or 3 interest-free payments of £158.31/mo.*
2stores
XYTGOGO Electric Mini Instant Water Heater Digital Display

XYTGOGO Electric Mini Instant Water Heater Digital Display

Water Heater

£146.11
Or 3 interest-free payments of £48.70/mo.*
1store
XYTGOGO Rose Gold Electric Mini Instant Water Heater Digital Display

XYTGOGO Rose Gold Electric Mini Instant Water Heater Digital Display

£82.70
Or 3 interest-free payments of £27.56/mo.*
1store
Camco 24ID x 2 Plastic Drain Pan with CPVC Fitting

Camco 24ID x 2 Plastic Drain Pan with CPVC Fitting

£97.47
Or 3 interest-free payments of £32.49/mo.*
1store
Wejoy Water heater White Mini Tankless Instant Hot Water Heater Chauffe

Wejoy Water heater White Mini Tankless Instant Hot Water Heater Chauffe

£157.24
Or 3 interest-free payments of £52.41/mo.*
1store
Reliance 1500 Watt 120 V Universal Flange Water Heater Element

Reliance 1500 Watt 120 V Universal Flange Water Heater Element

Water Heater

£35.42
Or 3 interest-free payments of £11.80/mo.*
1store
Ferroli Cubo Undersink Water Heater 15L Steel

Ferroli Cubo Undersink Water Heater 15L Steel

Water Heater

£119.70
Or 3 interest-free payments of £39.90/mo.*
1store
Ejoyous Mini Water Heater Instant Water Heater Electric Tankless Instant Hot Water Heater Sink Water Heater with Display

Ejoyous Mini Water Heater Instant Water Heater Electric Tankless Instant Hot Water Heater Sink Water Heater with Display

£59.08
Or 3 interest-free payments of £19.69/mo.*
1store
XYTGOGO Mini Water Heater 220V 5.5KW Instant

XYTGOGO Mini Water Heater 220V 5.5KW Instant

Water Heater

£80.67
Or 3 interest-free payments of £26.89/mo.*
1store
Lemet 84191100

Lemet 84191100

£1,255.36
1store
Whale Space Water Heater PCB 06/16 inc.Reset

Whale Space Water Heater PCB 06/16 inc.Reset

£229.95
Or 3 interest-free payments of £76.65/mo.*
1store
Gacloz Instant Water Heater, Mini Electric Water Heater, 3000W Hot

Gacloz Instant Water Heater, Mini Electric Water Heater, 3000W Hot

£125.00
Or 3 interest-free payments of £41.66/mo.*
1store
XYTGOGO Gold Instant Water Heater Electric Water Heaters 3000W

XYTGOGO Gold Instant Water Heater Electric Water Heaters 3000W

£70.14
Or 3 interest-free payments of £23.38/mo.*
1store
XYTGOGO Instant Water Heater Touch Remote Control

XYTGOGO Instant Water Heater Touch Remote Control

£146.11
Or 3 interest-free payments of £48.70/mo.*
1store
Wejoy Heater Element Mini Boiler Hot Water Element

Wejoy Heater Element Mini Boiler Hot Water Element

£33.21
Or 3 interest-free payments of £11.07/mo.*
1store
Wejoy Mini Electric Car Water Heater 12V Boiler Hot Hot Heaters

Wejoy Mini Electric Car Water Heater 12V Boiler Hot Hot Heaters

£33.51
Or 3 interest-free payments of £11.17/mo.*
1store
XYTGOGO Instant Water Heater Electric Water Heaters 3000W

XYTGOGO Instant Water Heater Electric Water Heaters 3000W

£70.99
Or 3 interest-free payments of £23.66/mo.*
1store
Redring 15 Unvented Undersink Water Heater MW15 Return

Redring 15 Unvented Undersink Water Heater MW15 Return

£189.95
Or 3 interest-free payments of £63.31/mo.*
2stores
WATER HEATERS

FAQ

Water heaters are appliances that heat water for domestic use. The main types include storage tank, tankless, heat pump, and solar water heaters. Each type offers different benefits. Consider your space, energy efficiency preferences, and budget when choosing.

Water heaters are selected based on household size and hot water usage. For a family of four, a 50-gallon (approx. 190 liters) storage tank is usually sufficient. Evaluate your daily hot water needs to find the perfect fit.

Water heaters with tanks store hot water for immediate use, while tankless models heat water on demand. Tankless options save space and energy but might have higher upfront costs. Consider installation space and budget when deciding.

Water Heaters: 3 things to consider before buying

When choosing a water heater, it's essential to think about the size and capacity that will best suit your household needs. A larger family will require a water heater with a bigger tank to ensure everyone has access to hot water. For example, a family of four might need a 50-gallon water heater, whereas a couple may only need a 30-gallon one. Measure your space accurately before purchasing to ensure the water heater fits comfortably in its designated area.

Energy efficiency is crucial for reducing both your carbon footprint and energy bills. Look for water heaters with high energy ratings or those that are Energy Star certified. These models often use less electricity or gas, which saves you money in the long run. Consider investing in tankless water heaters, which heat water on demand and can be more efficient than traditional models with storage tanks.

Familiarize yourself with the various types of water heaters available on the market to make an informed decision. Common types include storage tank heaters, tankless (on-demand) heaters, heat pump heaters, and solar-powered heaters. Each type has its pros and cons depending on factors like initial cost, installation complexity, and long-term savings. For instance, while solar-powered heaters can significantly reduce energy costs, they may have higher upfront expenses and depend on sunlight availability.

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Find the ideal water heater for your home

Choosing the right water heater is crucial for comfort and efficiency in your home. Whether you're considering 400V models or exploring popular brands, understanding your options can help you make the right decision.

Voltage options: 230V vs 400V

When selecting a water heater, voltage is an important factor. A 230V unit is often suitable for smaller households or apartments. It is easy to install and typically requires less power. On the other hand, a 400V system is ideal for larger homes or commercial spaces. It can provide more power and efficiency, making it a good choice for those with higher water demands.

Leading brands

Several brands stand out in the water heater market. Stiebel Eltron is known for its innovative designs and energy-efficient models. They offer a range of options to suit different needs. Ariston is another popular brand, offering reliable and stylish units. Their products often feature advanced technology for enhanced performance. Greenzech is also a good choice for those seeking eco-friendly solutions, with a focus on sustainability and efficiency.

Key features to consider

When selecting a water heater, consider the volume capacity. Smaller units, like those with a volume of 15L, are suitable for limited use or single-person households. A larger volume, such as 50L, is better for families or homes with multiple bathrooms. Many models now come with a digital display, allowing you to monitor and adjust the temperature easily. This feature can enhance convenience and help you save energy.

Installation and materials

Installation is a significant factor in choosing a water heater. Some units are designed for easy installation, while others may require professional help. Consider the materials used in the heater's construction. Stainless steel is a popular choice due to its durability and resistance to corrosion. This can extend the lifespan of the heater and ensure consistent performance.

Energy efficiency and cost savings

Energy efficiency is crucial when choosing a water heater. Look for models with high energy ratings to reduce your electricity bills over time. Many modern heaters are designed to heat water quickly and maintain temperature efficiently, which can lead to significant cost savings.

Usage and maintenance

Understanding how you plan to use the water heater can guide your choice. For instance, if you need consistent hot water for showers, a larger capacity model might be necessary. Regular maintenance is also important to ensure the longevity of the unit. Follow manufacturer guidelines for cleaning and servicing to keep it running smoothly.

Selecting the right water heater involves considering several factors, including voltage, brand, capacity, and features. Use PriceRunner to compare all offers and find the best deal on a water heater that meets your needs.

Shop smarter with PriceRunner

Find the best option with the help of our handy tools. Compare prices, apply smart filters, read user reviews, and explore price history—all in one place.

Filter and sort

Searching for something particular? Filter by everything from price and brand to material or colour to see only the products relevant to you. Since delivery options and shipping costs can vary between shops, you can easily find your perfect match by filtering based on these criteria as well.

Reviews: See what other users think

Reviews from other users can provide valuable insights into the product's features and durability. Product ratings help you quickly assess popularity and customer satisfaction.

Price history: Find real deals

To ensure that you've found a good deal, you can view the product's price history. Select a time period and whether you wish to include international prices. Price history for the past three months is shown by default, but you can also look into a longer time period. If you want to determine if a deal from a specific shop is as good as it seems you can click on "Choose store" above the price graph to show an individual shop's pricing history.

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