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Home / Water Heating & Filtration / Gas water heater refurbished & used for sale | For Sale UK
Instant gas hot - 8l,

Instant gas hot - 8l,

£69.99
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£70.99
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18l propane gas tankless - 8l-18l,

18l propane gas tankless - 8l-18l,

£79.99
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18l propane gas - 18l, heater

18l propane gas - 18l, heater

£128.98
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18l lpg propane gas - 8/10/12/16/18l,

18l lpg propane gas - 8/10/12/16/18l,

£100.80
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£96.99
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12l portable instant - instant, gas

12l portable instant - instant, gas

£76.99
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18l instant gas hot - instant,

18l instant gas hot - instant,

£76.99
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18l lpg propane gas tankless - 18l,

18l lpg propane gas tankless - 18l,

£96.99
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New 18l instant - new, gas

New 18l instant - new, gas

£76.99
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Portable tankless gas water - portable,

Portable tankless gas water - portable,

£65.89
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£77.99
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£76.99
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18l instant gas - 8-18l,

18l instant gas - 8-18l,

£77.99
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Camplux 12kw instant - 12kw,

Camplux 12kw instant - 12kw,

£219.99
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20l lpg instant water heater - 20l,

20l lpg instant water heater - 20l,

£142.80
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Lpg 18l portable instant - 18l, gas

Lpg 18l portable instant - 18l, gas

£96.99
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Evolve 30kw 16l natural gas - evolve, 30kw-16l

Evolve 30kw 16l natural gas - evolve, 30kw-16l

£339.99
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Propane gas tankless - 6l,

Propane gas tankless - 6l,

£65.89
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18l hot water - 8/10/12/16/18l,

18l hot water - 8/10/12/16/18l,

£100.80
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32kw 16l lpg - 32kw, gas

32kw 16l lpg - 32kw, gas

£180.49
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10l 18l instant - instant, hot

10l 18l instant - instant, hot

£76.99
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130000btu 16l tankless gas hot - 130000btu,

130000btu 16l tankless gas hot - 130000btu,

£184.13
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18l lpg propane - propane, tankless

18l lpg propane - propane, tankless

£90.99
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Camplux portable gas water - camplux,

Camplux portable gas water - camplux,

£259.99
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Gasland instant lpg water - gasland, 6l

Gasland instant lpg water - gasland, 6l

£209.99
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£95.76
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18l lpg propane - lpg,

18l lpg propane - lpg,

£90.99
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18l propane gas - propane, heater

18l propane gas - propane, heater

£128.98
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61000 btu tankless water - tankless,

61000 btu tankless water - tankless,

£222.99
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18l propane gas water - propane,

18l propane gas water - propane,

£128.98
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130000btu 16l tankless gas hot - 130000btu,

130000btu 16l tankless gas hot - 130000btu,

£178.59
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£77.45
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18l propane gas - 18l, tankless

18l propane gas - 18l, tankless

£86.59
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Lpg instantaneous water heater - instantaneous,

Lpg instantaneous water heater - instantaneous,

£96.99
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18l lpg propane - 8l-18l, gas

18l lpg propane - 8l-18l, gas

£59.99
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18l tankless lpg water heater - tankless,

18l tankless lpg water heater - tankless,

£76.99
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Lpg hot water heater - lpg,

Lpg hot water heater - lpg,

£78.59
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Gas hot water - gas, heater

Gas hot water - gas, heater

£158.36
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Min instant gas - 5,

Min instant gas - 5,

£199.99
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Truma ultrastore gas - gas, &

Truma ultrastore gas - gas, &

£409.00
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80000btu 12l tankless - 80000btu, gas

80000btu 12l tankless - 80000btu, gas

£174.23
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18l lpg propane - 18l, gas

18l lpg propane - 18l, gas

£76.99
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Camplux nano gas - camplux, heater

Camplux nano gas - camplux, heater

£359.99
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Portable lpg hot water - ~portable,

Portable lpg hot water - ~portable,

£65.89
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130000btu 16l tankless gas hot - 130000btu,

130000btu 16l tankless gas hot - 130000btu,

£184.13
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18l tankless propane gas water - 18l,

18l tankless propane gas water - 18l,

£90.99
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Gasland lpg hot water heater - gasland,

Gasland lpg hot water heater - gasland,

£239.99
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Camplux gas hot water heater - gas,

Camplux gas hot water heater - gas,

£189.99
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Carver cascade mk2 - 2, water

Carver cascade mk2 - 2, water

£48.00
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Camplux tankless gas - kw,

Camplux tankless gas - kw,

£259.99
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Instant gas hot - hot, water

Instant gas hot - hot, water

£72.99
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Instant hot water - instant,

Instant hot water - instant,

£96.99
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20l portable camping water - portable,

20l portable camping water - portable,

£115.85
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18l lpg propane gas - 8/10/12/16/18l,

18l lpg propane gas - 8/10/12/16/18l,

£78.99
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Portable water heater - portable,

Portable water heater - portable,

£78.66
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350 camping shower portable - 350,

350 camping shower portable - 350,

£269.99
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18l lpg propane gas - 8/10/12/16/18l,

18l lpg propane gas - 8/10/12/16/18l,

£59.99
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18l propane gas - gas, tankless

18l propane gas - gas, tankless

£88.64
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Hot caravan water - hot, 16l

Hot caravan water - hot, 16l

£90.99
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Tankless lpg propane water - tankless,

Tankless lpg propane water - tankless,

£179.99
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Truma ultrastore 10l rapid - rapid, ge

Truma ultrastore 10l rapid - rapid, ge

£419.00
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Universal battery case - universal,

Universal battery case - universal,

£6.99
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Instant gas hot water - instant,

Instant gas hot water - instant,

£90.99
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Portable electric horse shower - portable,

Portable electric horse shower - portable,

£299.99
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Static caravan water heater - static,

Static caravan water heater - static,

£249.99
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130000btu tankless water - tankless,

130000btu tankless water - tankless,

£184.13
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Chaffoteaux britony gas - britony,

Chaffoteaux britony gas - britony,

£549.99
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18l lpg tankless - lpg,

18l lpg tankless - lpg,

£90.99
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Truma ultrastore rapid - truma,

Truma ultrastore rapid - truma,

£419.00
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Carver cascade water - cascade, heater

Carver cascade water - cascade, heater

£51.99
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Gasland lpg instant gas hot - instant,

Gasland lpg instant gas hot - instant,

£209.99
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16l 32kw lpg - 32kw,

16l 32kw lpg - 32kw,

£90.99
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18l lpg propane gas - 8/10/12/16/18l,

18l lpg propane gas - 8/10/12/16/18l,

£59.99
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Carver cascade mk2 caravan - cascade, 2

Carver cascade mk2 caravan - cascade, 2

£48.00
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16l gas hot water heater - gas,

16l gas hot water heater - gas,

£96.99
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Ltr gas electric - &,

Ltr gas electric - &,

£409.00
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10l portable instant gas - instant,

10l portable instant gas - instant,

£89.99
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New ariston next evo - next, x

New ariston next evo - next, x

£449.99
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18l gas hot water - hot,

18l gas hot water - hot,

£96.99
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Carver cascade water heater - ,

Carver cascade water heater - ,

£46.95
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Carver cascade water - carver,

Carver cascade water - carver,

£51.99
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Whale expanse 8lt underfloor - whale,

Whale expanse 8lt underfloor - whale,

£595.00
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Whale high capacity - whale,

Whale high capacity - whale,

£795.00
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Drayton ma1 mid position - drayton,

Drayton ma1 mid position - drayton,

£59.89
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20l portable camping - 20l, water

20l portable camping - 20l, water

£109.14
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Static caravan water - static,

Static caravan water - static,

£269.95
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New ariston next - new, x

New ariston next - new, x

£384.99
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Whale rapid heat - whale, gas

Whale rapid heat - whale, gas

£695.00
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16l portable instant gas - portable, hot

16l portable instant gas - portable, hot

£90.99
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10l gas water heater - gas,

10l gas water heater - gas,

£29.52
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Lpg tankless water - tankless,

Lpg tankless water - tankless,

£67.99
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Gas water heater exhaust - gas,

Gas water heater exhaust - gas,

£6.71
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Ideal logic combi 24 - combi, 30

Ideal logic combi 24 - combi, 30

£61.00
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Biasi multipoint 16s - biasi, 30kw

Biasi multipoint 16s - biasi, 30kw

£300.00
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24kw 12l portable instant hot - instant,

24kw 12l portable instant hot - instant,

£167.19
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📊96 listings · from £6.71 · avg £163.58

Browse 96 gas water heater listings currently in our index. Prices range from £6.71 to £795, with an average of £163.58. 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: sime boiler pump | copper water tank | central heating cleaner | external oil boiler | potterton boiler | gas combi boilers | ideal isar pcb | 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 £6.71, while premium listings can reach £795 — giving you a wide budget spread to work with. The average price of £163.58 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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