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Gas water heater

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Gas water heater for sale on largest auction and classifieds sites

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

199 000 btu tankless natural - 199,000,

£679.99
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120k btu natural gas - btu,

120k btu natural gas - btu,

£357.19
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Propane natural gas tankless - gas,

Propane natural gas tankless - gas,

£159.99
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18l lpg propane - 18l, hot

18l lpg propane - 18l, hot

£120.90
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Propane natural gas tankless - gas,

Propane natural gas tankless - gas,

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

18l 5gpm tankless lpg - 5gpm, liquid

£119.89
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Camplux outdoor gas water - outdoor,

Camplux outdoor gas water - outdoor,

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

18l propane natural gas - propane/natural,

£119.90
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Propane tankless water - propane,

Propane tankless water - propane,

£91.99
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10l 12l 18l tankless - 18l,

10l 12l 18l tankless - 18l,

£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 - gallon,

Gallon tank water - gallon,

£299.99
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20l tankless propane - tankless,

20l tankless propane - tankless,

£149.00
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Portable tankless water - portable,

Portable tankless water - portable,

£169.95
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Rinnai re160in indoor - re160in, tankless

Rinnai re160in indoor - re160in, tankless

£500.00
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Takagi tankless gas water - tankless,

Takagi tankless gas water - tankless,

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

18l 5gpm tankless natural gas - 5gpm,

£120.90
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Vevor tankless water - vevor,

Vevor tankless water - vevor,

£259.90
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Kings peak indoor - peak, tankless

Kings peak indoor - peak, tankless

£619.99
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18l 5gpm tankless - natural, gas

18l 5gpm tankless - natural, gas

£117.90
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Orbek tankless water - orbek,

Orbek tankless water - orbek,

£315.00
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170k btu indoor tankless - 170k,

170k btu indoor tankless - 170k,

£379.99
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Condensing tankless water - condensing,

Condensing tankless water - condensing,

£559.99
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10l 12l 18l tankless - 10l,

10l 12l 18l tankless - 10l,

£122.99
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Tankless water heater - tankless,

Tankless water heater - tankless,

£199.98
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2gpm tankless lpg liquid - 8l,

2gpm tankless lpg liquid - 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 - natural,

Natural gas tankless hot - natural,

£224.99
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Rinnai rucs65i tankless hot - rinnai,

Rinnai rucs65i tankless hot - rinnai,

£629.99
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Rheem rtg gpm 160k - rheem, 7

Rheem rtg gpm 160k - rheem, 7

£698.00
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16l gas hot - gas, water

16l gas hot - gas, water

£186.90
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130 000 btu - btu, gas

130 000 btu - btu, gas

£195.99
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Rheem performance plus indoor - rheem,

Rheem performance plus indoor - rheem,

£679.99
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20l 26gpm tankless - 20l, 5.26gpm

20l 26gpm tankless - 20l, 5.26gpm

£132.90
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Vevor propane tankless water - vevor,

Vevor propane tankless water - vevor,

£169.90
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Rheem tankless water - tankless, heater

Rheem tankless water - tankless, heater

£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 - 130,000,

130 000 btu propane gas - 130,000,

£190.19
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Hike crew portable propane - crew,

Hike crew portable propane - crew,

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

20l propane gas tankless - 20l, hot

£131.80
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Tankless water heater 1 58 - tankless,

Tankless water heater 1 58 - tankless,

£109.99
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Rinnai v65in natural gas - natural,

Rinnai v65in natural gas - natural,

£658.90
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Rinnai rx160in tankless water - rx160in,

Rinnai rx160in tankless water - rx160in,

£899.99
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Mizudo natural gas - natural,

Mizudo natural gas - natural,

£175.99
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Portable 6gpm propane gas - propane,

Portable 6gpm propane gas - propane,

£84.94
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Natural gas tankless water - natural,

Natural gas tankless water - natural,

£299.99
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Propane gas tankless water - tankless,

Propane gas tankless water - tankless,

£129.99
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Rinnai super high - high, 9

Rinnai super high - high, 9

£789.99
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Rheem indoor natural gas - indoor,

Rheem indoor natural gas - indoor,

£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, /natural

Propane natural gas tankless - propane, /natural

£234.99
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Aquah outdoor open flue - outdoor,

Aquah outdoor open flue - outdoor,

£79.95
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180 000btu tankless water - 180,000btu,

180 000btu tankless water - 180,000btu,

£484.49
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Tankless water heater 120k btu - tankless,

Tankless water heater 120k btu - tankless,

£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 - gas, hot

Portable lpg propane - gas, hot

£103.09
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Rinnai re140en outdoor - rinnai,

Rinnai re140en outdoor - rinnai,

£599.99
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100 000 btu tankless water - 100,000,

100 000 btu tankless water - 100,000,

£189.99
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Rheem indoor condensing - indoor,

Rheem indoor condensing - indoor,

£200.00
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18l 5gpm tankless - 5gpm,

18l 5gpm tankless - 5gpm,

£120.90
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Fogatti propane gas tankless - fogatti,

Fogatti propane gas tankless - fogatti,

£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 propane gas - 5.26gpm,

20l 26gpm lpg propane gas - 5.26gpm,

£130.90
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Smith gpvx 50l promax - smith, gpvx-50l

Smith gpvx 50l promax - smith, gpvx-50l

£1499.99
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180k btu gpm tankless - 180k, 7.9

180k btu gpm tankless - 180k, 7.9

£499.99
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3gpm 145k btu - btu, tankless

3gpm 145k btu - btu, tankless

£413.99
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18l 5gpm lpg propane gas - 5gpm,

18l 5gpm lpg propane gas - 5gpm,

£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 - uimoso,

Uimoso indoor natural gas - uimoso,

£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 - rinnai,

Rinnai rus65ep tankless - rinnai,

£544.33
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Tankless water heater - rv,

Tankless water heater - rv,

£224.99
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10l propane gas - 10l,

10l propane gas - 10l,

£107.99
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18l 36kw lng natural - 18l,

18l 36kw lng natural - 18l,

£120.90
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Camplux portable propane - 5l,

Camplux portable propane - 5l,

£143.99
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Vevor tankless water heater - vevor,

Vevor tankless water heater - vevor,

£219.90
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Gearpass jsd6 propane tankless - gearpass,

Gearpass jsd6 propane tankless - gearpass,

£99.99
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Propane hot water heater - hot,

Propane hot water heater - hot,

£211.00
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Portable tankless water - portable,

Portable tankless water - portable,

£299.99
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Camplux 16l tankless - tankless, gas

Camplux 16l tankless - tankless, gas

£359.99
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Gas tankless water heater - gas,

Gas tankless water heater - gas,

£129.99
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Everbilt gas water - gas,

Everbilt gas water - gas,

£18.52
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Water heater - water,

Water heater - water,

£200.00
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Smith tankless natural gas - smith,

Smith tankless natural gas - smith,

£700.00
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Vevor tankless water heater - vevor,

Vevor tankless water heater - vevor,

£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 - 18l,

18l propane gas - 18l,

£119.90
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170k btu gpm - gpm, tankless

170k btu gpm - gpm, tankless

£465.99
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Orbek tankless water heater - orbek,

Orbek tankless water heater - orbek,

£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

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 | ideal isar pcb | baxi boiler parts | worcester 24cdi | worcester combi

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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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