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Home / Water Heating & Filtration / Gas water heater refurbished & used for sale | For Sale UK
199 000 btu tankless - btu,

199 000 btu tankless - btu,

£679.99
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120k btu natural - gas, tankless

120k btu natural - gas, tankless

£357.19
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Propane natural gas - propane/natural,

Propane natural gas - propane/natural,

£159.99
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18l lpg propane gas hot - 18l,

18l lpg propane gas hot - 18l,

£120.90
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Propane natural gas tankless - propane/natural,

Propane natural gas tankless - propane/natural,

£296.99
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18l 5gpm tankless lpg liquid - 5gpm,

18l 5gpm tankless lpg liquid - 5gpm,

£119.89
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Camplux outdoor gas water - camplux,

Camplux outdoor gas water - camplux,

£219.99
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18l propane natural gas - 18l, propane/natural

18l propane natural gas - 18l, propane/natural

£119.90
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Propane tankless water - 8l,

Propane tankless water - 8l,

£91.99
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10l 12l 18l - 10l, tankless

10l 12l 18l - 10l, tankless

£123.99
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Refurbished water - 【refurbished】rv,

Refurbished water - 【refurbished】rv,

£319.99
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Uimoso tankless water - tankless,

Uimoso tankless water - tankless,

£175.22
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Gallon tank water heater - 6,

Gallon tank water heater - 6,

£299.99
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20l tankless propane - 20l,

20l tankless propane - 20l,

£149.00
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Portable tankless water heater - tankless,

Portable tankless water heater - tankless,

£169.95
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Rinnai re160in indoor tankless - rinnai,

Rinnai re160in indoor tankless - rinnai,

£500.00
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Takagi tankless gas water - takagi,

Takagi tankless gas water - takagi,

£539.99
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18l 5gpm tankless natural - 18l,

18l 5gpm tankless natural - 18l,

£120.90
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Vevor tankless water heater - tankless,

Vevor tankless water heater - tankless,

£259.90
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Kings peak indoor tankless - kings,

Kings peak indoor tankless - kings,

£619.99
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18l 5gpm tankless natural - 18l,

18l 5gpm tankless natural - 18l,

£117.90
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Orbek tankless water heater - tankless,

Orbek tankless water heater - tankless,

£315.00
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170k btu indoor tankless water - indoor,

170k btu indoor tankless water - indoor,

£379.99
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Condensing tankless water - condensing,

Condensing tankless water - condensing,

£559.99
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10l 12l 18l - 10l,

10l 12l 18l - 10l,

£122.99
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Tankless water heater - tankless,

Tankless water heater - tankless,

£199.98
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2gpm tankless lpg - 8l,

2gpm tankless lpg - 8l,

£90.99
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Rheem indoor natural gas - indoor,

Rheem indoor natural gas - indoor,

£749.99
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Natural gas tankless hot water - hot,

Natural gas tankless hot water - hot,

£224.99
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Rinnai rucs65i tankless hot - rucs65i,

Rinnai rucs65i tankless hot - rucs65i,

£629.99
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Rheem rtg gpm - rheem, 7

Rheem rtg gpm - rheem, 7

£698.00
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16l gas hot water - 12/14//16l,

16l gas hot water - 12/14//16l,

£186.90
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130 000 btu propane - 130,000, gas

130 000 btu propane - 130,000, gas

£195.99
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Rheem performance plus - rheem,

Rheem performance plus - rheem,

£679.99
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20l 26gpm tankless propane - 20l,

20l 26gpm tankless propane - 20l,

£132.90
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Vevor propane tankless - propane,

Vevor propane tankless - propane,

£169.90
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Rheem tankless water - rheem,

Rheem tankless water - rheem,

£899.99
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Aquah outdoor propane tankless - outdoor,

Aquah outdoor propane tankless - outdoor,

£79.95
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130 000 btu propane gas - btu,

130 000 btu propane gas - btu,

£190.19
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Hike crew portable - hike, propane

Hike crew portable - hike, propane

£136.49
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20l propane gas tankless hot - 20l,

20l propane gas tankless hot - 20l,

£131.80
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Tankless water heater - heater-, 1.58

Tankless water heater - heater-, 1.58

£109.99
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Rinnai v65in natural gas - rinnai,

Rinnai v65in natural gas - rinnai,

£658.90
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Rinnai rx160in tankless - tankless, water

Rinnai rx160in tankless - tankless, water

£899.99
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Mizudo natural gas tankless - natural,

Mizudo natural gas tankless - natural,

£175.99
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Portable 6gpm propane gas - portable,

Portable 6gpm propane gas - portable,

£84.94
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Natural gas tankless water - gas,

Natural gas tankless water - gas,

£299.99
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Propane gas tankless water - propane,

Propane gas tankless water - propane,

£129.99
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Rinnai super high efficiency - super, 9

Rinnai super high efficiency - super, 9

£789.99
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Rheem indoor natural gas - natural,

Rheem indoor natural gas - natural,

£580.00
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New rheem ecoh160dvln - new,

New rheem ecoh160dvln - new,

£450.00
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Propane natural gas tankless - propane,

Propane natural gas tankless - propane,

£234.99
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Aquah outdoor open - aquah,

Aquah outdoor open - aquah,

£79.95
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180 000btu tankless - tankless, water

180 000btu tankless - tankless, water

£484.49
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Tankless water heater - 120k, btu

Tankless water heater - 120k, btu

£419.99
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Gasland outdoor tankless - gasland, 6l

Gasland outdoor tankless - gasland, 6l

£152.99
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Rheem tankless water - rheem,

Rheem tankless water - rheem,

£749.99
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Portable lpg propane - lpg, gas

Portable lpg propane - lpg, gas

£103.09
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Rinnai re140en outdoor - rinnai,

Rinnai re140en outdoor - rinnai,

£599.99
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100 000 btu - 100,000, water

100 000 btu - 100,000, water

£189.99
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Rheem indoor condensing - rheem,

Rheem indoor condensing - rheem,

£200.00
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18l 5gpm tankless lpg - 5gpm,

18l 5gpm tankless lpg - 5gpm,

£120.90
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Fogatti propane gas - propane,

Fogatti propane gas - propane,

£629.99
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Rheem ecoh160dvln tankless - rheem, ecoh160dvln-3

Rheem ecoh160dvln tankless - rheem, ecoh160dvln-3

£749.95
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20l 26gpm lpg - 20l, 5.26gpm

20l 26gpm lpg - 20l, 5.26gpm

£130.90
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Smith gpvx 50l - a.o., promax

Smith gpvx 50l - a.o., promax

£1499.99
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180k btu gpm tankless - btu,

180k btu gpm tankless - btu,

£499.99
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3gpm 145k btu - 145k, water

3gpm 145k btu - 145k, water

£413.99
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18l 5gpm lpg - propane, gas

18l 5gpm lpg - propane, gas

£120.90
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Propane natural gas tankless - propane/natural,

Propane natural gas tankless - propane/natural,

£169.99
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Uimoso indoor natural gas - natural,

Uimoso indoor natural gas - natural,

£155.99
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Refurbished water - 【refurbished】rv,

Refurbished water - 【refurbished】rv,

£339.99
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Rinnai re140in indoor tankless - rinnai,

Rinnai re140in indoor tankless - rinnai,

£599.99
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Camplux bd264 gpm - bd264,

Camplux bd264 gpm - bd264,

£199.00
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Rinnai re160in indoor tankless - rinnai,

Rinnai re160in indoor tankless - rinnai,

£769.99
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Rinnai rus65ep tankless water - rinnai,

Rinnai rus65ep tankless water - rinnai,

£544.33
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Tankless water heater - rv,

Tankless water heater - rv,

£224.99
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10l propane gas - propane, tankless

10l propane gas - propane, tankless

£107.99
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18l 36kw lng natural - natural, gas

18l 36kw lng natural - natural, gas

£120.90
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Camplux portable propane - 5l,

Camplux portable propane - 5l,

£143.99
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Vevor tankless water heater - water,

Vevor tankless water heater - water,

£219.90
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Gearpass jsd6 propane - jsd6, tankless

Gearpass jsd6 propane - jsd6, tankless

£99.99
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Propane hot water - propane,

Propane hot water - propane,

£211.00
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Portable tankless water heater - portable,

Portable tankless water heater - portable,

£299.99
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Camplux 16l tankless - tankless, water

Camplux 16l tankless - tankless, water

£359.99
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Gas tankless water heater - water,

Gas tankless water heater - water,

£129.99
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Everbilt gas water heater - everbilt,

Everbilt gas water heater - everbilt,

£18.52
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Water heater - water,

Water heater - water,

£200.00
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Smith tankless natural gas - ao,

Smith tankless natural gas - ao,

£700.00
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Vevor tankless water - tankless,

Vevor tankless water - tankless,

£219.90
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Vevor gas tankless - vevor, water

Vevor gas tankless - vevor, water

£169.90
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18l propane gas hot - hot, water

18l propane gas hot - hot, water

£119.90
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170k btu gpm - 170k, 7.5

170k btu gpm - 170k, 7.5

£465.99
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Orbek tankless water - water, heater

Orbek tankless water - water, heater

£309.99
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Gasland gasmart gpm - gasmart,

Gasland gasmart gpm - gasmart,

£249.95
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Discounted and 50 - discounted, 30,40,

Discounted and 50 - discounted, 30,40,

£410.00
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📊96 listings · from £18.52 · avg £327.75
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 96 gas water heater listings currently in our index. Prices range from £18.52 to £1499.99, with an average of £327.75. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about gas water heater →

Try this: copper water tank | drayton lp241 | central heating cleaner | external oil boiler | potterton boiler | gas combi boilers | baxi boiler parts | worcester 24cdi | worcester combi | immersion heater timer

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Everything you need to know about gas water heater

Whether you are looking for a brand-new or second-hand gas water heater, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £18.52, while premium listings can reach £1499.99 — giving you a wide budget spread to work with. The average price of £327.75 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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