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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 Junkers Water Heater WR11-14 8738710118
Junkers Water Heater WR11-14 8738710118
£140.69
1 store
Water Heaters Rinnai 1000i, 1300i, & 1600i Standard Kit
Rinnai 1000i, 1300i, & 1600i Standard Kit
Water Heater
£175.10
1 store
Water Heaters Heatrae Sadia incoloy immersion upper
Heatrae Sadia incoloy immersion upper
£52.10
1 store
Water Heaters VAILLANT immersion heater 14" alternative to: gledhill sh010
VAILLANT immersion heater 14" alternative to: gledhill sh010
£31.13
1 store
Water Heaters Greenzech A 220V Tankless
Greenzech A 220V Tankless
Water Heater
£83.92
1 store
Water Heaters Greenzech digital display 220V 3000W 30-60 Electric Water Heater Indicator
Greenzech digital display 220V 3000W 30-60 Electric Water Heater Indicator
Water Heater
£68.78
1 store
Water Heaters Greenzech B 220V Tankless
Greenzech B 220V Tankless
Water Heater
£83.92
1 store
Water Heaters Greenzech 3000W Hot And Cold Water Faucet Instant Heating Heater With Shower Head
Greenzech 3000W Hot And Cold Water Faucet Instant Heating Heater With Shower Head
Water Heater
£78.42
1 store
Greenzech Tankless Instant Electric Hot Water Heater Faucet
Greenzech Tankless Instant Electric Hot Water Heater Faucet
£83.92
1 store
Greenzech indicator light 220V 3000W 30-60 Water Heater Indicator
Greenzech indicator light 220V 3000W 30-60 Water Heater Indicator
£63.28
1 store
Zip Zip Varipoint Ii Vp103Ub Unvented Water
Zip Zip Varipoint Ii Vp103Ub Unvented Water
Water Heater
£622.46
1 store
Zip Varipoint Ii Vp153Ub Unvented Water
Zip Varipoint Ii Vp153Ub Unvented Water
Water Heater
£725.50
1 store
XYTGOGO White 6500W Electric Instant
XYTGOGO White 6500W Electric Instant
Water Heater
£88.62
1 store
OSO Oso Hotwater Multipoint W80 3Kw 80L
OSO Oso Hotwater Multipoint W80 3Kw 80L
Water Heater, Volume 80L
£829.72
1 store
Wejoy 220V Mini Heater Boiler Hot
Wejoy 220V Mini Heater Boiler Hot
Water Heater
£32.50
1 store
Wejoy Thermocouple Replacement Set & 61cm Thermopile For gas boiler gas water heater
Wejoy Thermocouple Replacement Set & 61cm Thermopile For gas boiler gas water heater
£42.41
1 store
Mgaxyff 600W Hot Water Heater Boiler Immersion
Mgaxyff 600W Hot Water Heater Boiler Immersion
Water Heater
£34.85
1 store
Wijas Perfect 50 Instant Water Heater
Wijas Perfect 50 Instant Water Heater
£137.99
1 store
Wejoy Mini 220V 600W Cup
Wejoy Mini 220V 600W Cup
£32.59
1 store
Wejoy Electrique Immersion Heater
Wejoy Electrique Immersion Heater
£57.03
1 store
Wejoy M5/M6
Wejoy M5/M6
£42.01
1 store
Triton Instaflow 2kw 15 Hot Vessel Kit
Triton Instaflow 2kw 15 Hot Vessel Kit
Water Heater
£199.99
1 store
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
£90.80
1 store
Esprit Indirect Unvented Hot Water Cylinder ERP B
Esprit Indirect Unvented Hot Water Cylinder ERP B
Water Heater
£510
1 store
Wejoy Constant Temperature Water Heater Small Electric Mini Water Shower
Wejoy Constant Temperature Water Heater Small Electric Mini Water Shower
Water Heater
£158.16
1 store
Wejoy ATWFS
Wejoy ATWFS
£117.50
1 store
Greenzech Electric Tankless Hot Water Heater 3s Instant Heating
Greenzech Electric Tankless Hot Water Heater 3s Instant Heating
Water Heater
£44.02
1 store
Miller Manufacturing 125 Watt Water Heater Base
Miller Manufacturing 125 Watt Water Heater Base
Water Heater
£68.21
1 store
Zip Zip Water Heating Zip Tudor 4
Zip Zip Water Heating Zip Tudor 4
£250.70
1 store
Greenzech OD63 220V Electrical Heating Element Immersion Heater
Greenzech OD63 220V Electrical Heating Element Immersion Heater
£90.54
1 store
Wejoy Heater for Pool 3000W Steel Immersion Heater
Wejoy Heater for Pool 3000W Steel Immersion Heater
Water Heater
£111.77
1 store
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
£96.39
1 store
Andrews Tundish Alternative to: C783
Andrews Tundish Alternative to: C783
Water Heater
£9.42
1 store
Greenzech OD63 220V Electrical Heating Element Heater
Greenzech OD63 220V Electrical Heating Element Heater
£80.31
1 store
Gacloz Tankless Water Heater Instant Hot Under Sink Kitchen
Gacloz Tankless Water Heater Instant Hot Under Sink Kitchen
Water Heater
£125
1 store
Wejoy Haier Electric Water Heater Magnesium Anode
Wejoy Haier Electric Water Heater Magnesium Anode
£51.06
1 store
B&Q 1 3/4 3kW Immersion Heater 14
B&Q 1 3/4 3kW Immersion Heater 14
£30.82
1 store
Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4
Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4
£119.65
1 store
Andrews Water Heaters Cylinder Spares Expansion
Andrews Water Heaters Cylinder Spares Expansion
£15.84
1 store
Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4
Greenzech 5500W Electric Tankless Water Heater Instant Hot Sink IPX4
£119.65
1 store
Zip CEX-O Instantaneous Water Heater
Zip CEX-O Instantaneous Water Heater
Water Heater
£471.51
1 store
B&Q Water Heaters Cylinder Spares Tundish to: Andrews
B&Q Water Heaters Cylinder Spares Tundish to: Andrews
£81.85
1 store
B&Q Ferroli 14 3kW Immersion Heater
B&Q Ferroli 14 3kW Immersion Heater
£31.13
1 store
Ariston ANDRIS LUX ECO 10 Undersink
Ariston ANDRIS LUX ECO 10 Undersink
Volume 10L
£162.48
1 store
Eldom Favourite 80 water heater 2
Eldom Favourite 80 water heater 2
£239
1 store
Wejoy Immersion Heater, Portable Submersible Water Heater
Wejoy Immersion Heater, Portable Submersible Water Heater
£33.44
1 store
Eldom Spectra 80 boiler 2 kW. manual control
Eldom Spectra 80 boiler 2 kW. manual control
£189
1 store
Heatrae Sadia Eco SystemReady 125SB Indirect
Heatrae Sadia Eco SystemReady 125SB Indirect
£1,693.74
1 store

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.

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.

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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.

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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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