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

Instant gas hot water - instant,

£69.99
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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£70.99
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18l propane gas - propane,

18l propane gas - propane,

£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 - 8/10/12/16/18l,

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

£100.80
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£96.99
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12l portable instant gas hot - 12l,

12l portable instant gas hot - 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 - lpg,

18l lpg propane gas - lpg,

£96.99
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New 18l instant - 8/10/12/16/18l,

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

£76.99
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Portable tankless gas - tankless, water

Portable tankless gas - tankless, water

£65.89
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18l propane gas - gas, tankless

18l propane gas - gas, tankless

£77.99
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18l propane gas - 8l-18l,

18l propane gas - 8l-18l,

£76.99
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18l instant gas hot - instant, water

18l instant gas hot - instant, water

£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 heater - 20l,

20l lpg instant water heater - 20l,

£142.80
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Lpg 18l portable instant - 18l,

Lpg 18l portable instant - 18l,

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

Evolve 30kw 16l natural - 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 - hot,

18l hot water - hot,

£100.80
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32kw 16l lpg - 32kw,

32kw 16l lpg - 32kw,

£180.49
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10l 18l instant - gas, hot

10l 18l instant - gas, 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 gas - propane,

18l lpg propane gas - propane,

£90.99
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Camplux portable gas - portable,

Camplux portable gas - portable,

£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 gas - 8/10/12/16/18l,

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

£95.76
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18l lpg propane gas tankless - 18l,

18l lpg propane gas tankless - 18l,

£90.99
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18l propane gas water - gas,

18l propane gas water - gas,

£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 water - 18l, heater

18l propane gas water - 18l, heater

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

130000btu 16l tankless - 16l, gas

£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 - gas, tankless

18l propane gas - gas, tankless

£86.59
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Lpg instantaneous water - lpg,

Lpg instantaneous water - lpg,

£96.99
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£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 heater - 6l,

Lpg hot water heater - 6l,

£78.59
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Gas hot water heater - gas,

Gas hot water heater - gas,

£158.36
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Min instant gas hot water - l/min,

Min instant gas hot water - l/min,

£199.99
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Truma ultrastore gas - ultrastore,

Truma ultrastore gas - ultrastore,

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

80000btu 12l tankless gas hot - tankless,

£174.23
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£76.99
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Camplux nano gas - nano,

Camplux nano gas - nano,

£359.99
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Portable lpg hot water - 6l,

Portable lpg hot water - 6l,

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

130000btu 16l tankless gas hot - tankless,

£184.13
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18l tankless propane gas water - tankless,

18l tankless propane gas water - tankless,

£90.99
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Gasland lpg hot - lpg, heater

Gasland lpg hot - lpg, heater

£239.99
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Camplux gas hot - gas, water

Camplux gas hot - gas, water

£189.99
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Carver cascade mk2 - cascade, water

Carver cascade mk2 - cascade, water

£48.00
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Camplux tankless gas hot - 6,

Camplux tankless gas hot - 6,

£259.99
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Instant gas hot water - instant,

Instant gas hot water - instant,

£72.99
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Instant hot water heater - water,

Instant hot water heater - water,

£96.99
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20l portable camping water - 20l,

20l portable camping water - 20l,

£115.85
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£78.99
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Portable water heater - portable,

Portable water heater - portable,

£78.66
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350 camping shower - camping,

350 camping shower - camping,

£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 tankless - propane,

18l propane gas tankless - propane,

£88.64
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Hot caravan water - caravan, 16l

Hot caravan water - caravan, 16l

£90.99
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Tankless lpg propane water - lpg,

Tankless lpg propane water - lpg,

£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 - case,

Universal battery case - case,

£6.99
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Instant gas hot water heater - instant,

Instant gas hot water heater - 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 - caravan,

Static caravan water - caravan,

£249.99
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130000btu tankless water - 130000btu,

130000btu tankless water - 130000btu,

£184.13
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Chaffoteaux britony gas - britony, t

Chaffoteaux britony gas - britony, t

£549.99
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18l lpg tankless gas - 18l, water

18l lpg tankless gas - 18l, water

£90.99
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Truma ultrastore rapid water - ultrastore,

Truma ultrastore rapid water - ultrastore,

£419.00
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Carver cascade water - carver,

Carver cascade water - carver,

£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 propane - 16l, gas

16l 32kw lpg propane - 16l, gas

£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 - carver,

Carver cascade mk2 caravan - carver,

£48.00
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16l gas hot water heater - 16l,

16l gas hot water heater - 16l,

£96.99
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Ltr gas electric truma - &,

Ltr gas electric truma - &,

£409.00
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10l portable instant - portable, hot

10l portable instant - portable, hot

£89.99
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New ariston next - new,

New ariston next - new,

£449.99
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18l gas hot - 18l, heater

18l gas hot - 18l, heater

£96.99
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Carver cascade water heater - ,

Carver cascade water heater - ,

£46.95
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Carver cascade water heater - cascade,

Carver cascade water heater - cascade,

£51.99
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Whale expanse 8lt - 8lt, underfloor

Whale expanse 8lt - 8lt, underfloor

£595.00
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Whale high capacity - 13l, water

Whale high capacity - 13l, water

£795.00
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Drayton ma1 mid position head - drayton,

Drayton ma1 mid position head - drayton,

£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 - next, lpg

New ariston next evo - next, lpg

£384.99
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Whale rapid heat gas - rapid, &

Whale rapid heat gas - rapid, &

£695.00
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16l portable instant gas - 16l,

16l portable instant gas - 16l,

£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 heater - lpg,

Lpg tankless water heater - lpg,

£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 - logic, 30

Ideal logic combi - logic, 30

£61.00
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Biasi multipoint 16s - 16s, 30kw

Biasi multipoint 16s - 16s, 30kw

£300.00
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24kw 12l portable - 24kw,

24kw 12l portable - 24kw,

£167.19
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📊96 listings · from £6.71 · avg £163.58
⚠️ These listings were last updated more than 11 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 | 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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