Unvented Water Heaters

An unvented water heater is an excellent choice if you’re looking to supplement your existing water supply, or upgrade your domestic water supply. In this range, we have smaller under sink unvented water heaters available, as well as larger, 100L capacity water heaters.

To learn more about different types of water heaters, check out our Water Heaters Buying Guide.

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Ariston Andris Lux 15L Over Sink Unvented Electric Water Heater 3kW - 3100308

£107.60 (inc. VAT)

Returned
Unit

Hyco Speedflow 10L Stainless Steel Undersink Unvented Water Heater 1200W (1.2kW) - SF1512SS

£229.95 (inc. VAT)

Hyco Speedflow 10L Stainless Steel Undersink Unvented Water Heater 1200W (1.2kW) - SF1012SS

£219.95 (inc. VAT)

Hyco Speedflow 10L Stainless Steel Undersink Unvented Water Heater 2000W (2.0kW) - SF15SS

£209.95 (inc. VAT)

Ariston Andris Lux 10L Under Sink Unvented Electric Water Heater 3kW - 3100303

£118.45 (inc. VAT)

Hyco Powerflow 90L Multipoint Unvented Water Heater 3000W - PF90LC

£548.95 (inc. VAT)

Rointe Siena 150L Electric Water Heater Unvented - SWI150DHW4

£468.95 (inc. VAT)

Rointe Siena 80L Electric Water Heater Unvented - SWI080DHW4

£443.95 (inc. VAT)

Redring 10 Litre Unvented Undersink Water Heater - MW10 - Return Unit

On Sale from £224.95 (inc. VAT)

Redring 45673201 Powerstream Eco Unvented Instantaneous Water Heater 9.5kW - RP1E - Return Unit

On Sale from £123.95 (inc. VAT)

Hyco Powerflow Smart 1kW 100L Multipoint Unvented Water Heater - PF100S1KW

£521.95 (inc. VAT)

Hyco Powerflow 90L Multipoint Unvented Water Heater 1000W (1.0kW) - PF90LC1KW

£568.95 (inc. VAT)

Elson 2.2kW Unvented Water Heater 15 Litre - EUV15

£122.95 (inc. VAT)

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When shopping for water heaters that plumb into your existing mains supply, you have to choose between a vented and unvented system. Because an unvented system doesn’t draw cold water into a separate holding tank, it takes up less room. They can also be quicker and more simple to install. They also tend to have better water pressure as they have the same pressure as your mains supply.