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Home / Water Heating & Filtration / Gas water heater for sale – 96 used, around £97 | For Sale UK
Instant gas hot water - hot,

Instant gas hot water - hot,

£69.99
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£70.99
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£79.99
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18l propane gas water heater - water,

18l propane gas water heater - water,

£128.98
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£100.80
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18l lpg propane gas - 8/10/12/16/18l,

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

£96.99
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12l portable instant gas - 12l,

12l portable instant gas - 12l,

£76.99
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18l instant gas hot - 10/12/16/18l,

18l instant gas hot - 10/12/16/18l,

£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 gas - 8/10/12/16/18l,

New 18l instant gas - 8/10/12/16/18l,

£76.99
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Portable tankless gas water - tankless,

Portable tankless gas water - tankless,

£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 gas - 6l,

Camplux 12kw instant gas - 6l,

£219.99
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20l lpg instant water - water, heater

20l lpg instant water - water, heater

£142.80
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Lpg 18l portable instant - lpg,

Lpg 18l portable instant - lpg,

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

Evolve 30kw 16l - 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 propane - 16l,

32kw 16l lpg propane - 16l,

£180.49
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10l 18l instant - hot, water

10l 18l instant - hot, water

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

130000btu 16l tankless gas hot - 16l,

£184.13
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18l lpg propane - 18l, tankless

18l lpg propane - 18l, tankless

£90.99
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Camplux portable gas water - gas,

Camplux portable gas water - gas,

£259.99
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Gasland instant lpg water - instant,

Gasland instant lpg water - instant,

£209.99
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18l lpg propane - 8/10/12/16/18l, gas

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

£95.76
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18l lpg propane - 18l,

18l lpg propane - 18l,

£90.99
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18l propane gas water heater - 18l,

18l propane gas water heater - 18l,

£128.98
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61000 btu tankless water - rv,

61000 btu tankless water - rv,

£222.99
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18l propane gas - propane, water

18l propane gas - propane, water

£128.98
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130000btu 16l tankless - 16l,

130000btu 16l tankless - 16l,

£178.59
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18l propane gas - 8l-18l,

18l propane gas - 8l-18l,

£77.45
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18l propane gas tankless - 18l,

18l propane gas tankless - 18l,

£86.59
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Lpg instantaneous water heater - lpg,

Lpg instantaneous water heater - lpg,

£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 - lpg, heater

18l tankless lpg water - lpg, heater

£76.99
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Lpg hot water - 6l,

Lpg hot water - 6l,

£78.59
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Gas hot water heater - hot,

Gas hot water heater - hot,

£158.36
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Min instant gas hot - gas, water

Min instant gas hot - gas, water

£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 gas - lpg,

18l lpg propane gas - lpg,

£76.99
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Camplux nano gas - nano,

Camplux nano gas - nano,

£359.99
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Portable lpg hot water - lpg,

Portable lpg hot water - lpg,

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

130000btu 16l tankless gas - 130000btu,

£184.13
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18l tankless propane - gas, water

18l tankless propane - gas, water

£90.99
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Gasland lpg hot - gasland,

Gasland lpg hot - gasland,

£239.99
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Camplux gas hot water - hot,

Camplux gas hot water - hot,

£189.99
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Carver cascade mk2 water - carver, 2

Carver cascade mk2 water - carver, 2

£48.00
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Camplux tankless gas - kw,

Camplux tankless gas - kw,

£259.99
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Instant gas hot water - hot,

Instant gas hot water - hot,

£72.99
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Instant hot water - instant, heater

Instant hot water - instant, heater

£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 - lpg, gas

18l lpg propane - lpg, gas

£78.99
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Portable water heater - 6l,

Portable water heater - 6l,

£78.66
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350 camping shower portable - 350, cm

350 camping shower portable - 350, cm

£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 - propane,

18l propane gas - propane,

£88.64
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Hot caravan water horse - hot,

Hot caravan water horse - hot,

£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 - 10l, ge

Truma ultrastore 10l rapid - 10l, 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 - gas, heater

Instant gas hot water - gas, heater

£90.99
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Portable electric horse - horse, shower

Portable electric horse - horse, shower

£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 - 130000btu,

130000btu tankless water - 130000btu,

£184.13
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Chaffoteaux britony gas - britony, &

Chaffoteaux britony gas - britony, &

£549.99
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18l lpg tankless gas - lpg,

18l lpg tankless gas - lpg,

£90.99
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Truma ultrastore rapid water - truma,

Truma ultrastore rapid water - truma,

£419.00
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Carver cascade water heater - carver,

Carver cascade water heater - carver,

£51.99
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Gasland lpg instant gas - gasland,

Gasland lpg instant gas - gasland,

£209.99
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16l 32kw lpg propane gas - lpg,

16l 32kw lpg propane gas - lpg,

£90.99
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£59.99
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Carver cascade mk2 - mk2, caravan

Carver cascade mk2 - mk2, caravan

£48.00
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16l gas hot water heater - hot,

16l gas hot water heater - hot,

£96.99
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Ltr gas electric truma - ltr, &

Ltr gas electric truma - ltr, &

£409.00
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10l portable instant gas - 10l,

10l portable instant gas - 10l,

£89.99
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New ariston next - new, evo

New ariston next - new, evo

£449.99
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18l gas hot water - gas,

18l gas hot water - gas,

£96.99
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Carver cascade water heater - ,

Carver cascade water heater - ,

£46.95
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Carver cascade water heater - carver,

Carver cascade water heater - carver,

£51.99
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Whale expanse 8lt - expanse,

Whale expanse 8lt - expanse,

£595.00
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Whale high capacity 13l water - whale,

Whale high capacity 13l water - whale,

£795.00
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Drayton ma1 mid position - ma1, head

Drayton ma1 mid position - ma1, head

£59.89
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20l portable camping water - 20l,

20l portable camping water - 20l,

£109.14
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Static caravan water - caravan, heater

Static caravan water - caravan, heater

£269.95
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New ariston next - evo, lpg

New ariston next - evo, lpg

£384.99
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Whale rapid heat - gas, &

Whale rapid heat - gas, &

£695.00
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16l portable instant gas hot - 16l,

16l portable instant gas hot - 16l,

£90.99
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10l gas water - 7-10l,

10l gas water - 7-10l,

£29.52
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Lpg tankless water - lpg, heater

Lpg tankless water - lpg, heater

£67.99
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Gas water heater exhaust - heater,

Gas water heater exhaust - heater,

£6.71
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Ideal logic combi - c, 24

Ideal logic combi - c, 24

£61.00
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Biasi multipoint 16s - multipoint, 30kw

Biasi multipoint 16s - multipoint, 30kw

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

24kw 12l portable instant - portable, hot

£167.19
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📊96 listings · from £6.71 · avg £163.58
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

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 | external oil boiler | potterton boiler | gas combi boilers | ideal isar pcb | 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 £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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