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

Instant gas hot - 8l, water

£69.99
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18l propane gas tankless - 8l-18l,

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

£79.99
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18l instant gas hot - instant,

18l instant gas hot - instant,

£99.99
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Tankless portable gas - tankless,

Tankless portable gas - tankless,

£80.99
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£100.80
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18l lpg propane gas tankless - propane,

18l lpg propane gas tankless - propane,

£88.99
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18l tankless propane gas water - gas,

18l tankless propane gas water - gas,

£92.99
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New 18l instant - new, gas

New 18l instant - new, gas

£88.99
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Evolve 30kw 16l natural - evolve,

Evolve 30kw 16l natural - evolve,

£339.99
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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£69.99
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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£99.99
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18l propane gas tankless - 8l-18l,

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

£70.99
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12l portable instant gas hot - instant,

12l portable instant gas hot - instant,

£74.99
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Camplux min gas - 11,

Camplux min gas - 11,

£239.99
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16l lpg tankless - 16l,

16l lpg tankless - 16l,

£185.99
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130000btu 16l tankless gas hot - gas,

130000btu 16l tankless gas hot - gas,

£184.13
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Portable water heater - portable,

Portable water heater - portable,

£61.43
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£83.89
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Tankless gas hot water heater - tankless,

Tankless gas hot water heater - tankless,

£239.99
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Portable lpg propane gas - lpg, hot

Portable lpg propane gas - lpg, hot

£100.79
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18l lpg propane - 8/10/12/16/18l,

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

£95.76
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Tankless gas water heater - water,

Tankless gas water heater - water,

£82.80
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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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Portable lpg propane - lpg,

Portable lpg propane - lpg,

£74.99
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18l instant gas - gas, hot

18l instant gas - gas, hot

£77.99
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10l 18l lpg - lpg, hot

10l 18l lpg - lpg, hot

£105.99
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18l lpg propane - 18l, tankless

18l lpg propane - 18l, tankless

£74.99
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Lpg 18l portable instant - portable,

Lpg 18l portable instant - portable,

£92.99
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130000btu 16l tankless gas hot - tankless,

130000btu 16l tankless gas hot - tankless,

£185.99
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Camplux mobile gas hot - camplux,

Camplux mobile gas hot - camplux,

£359.99
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Portable tankless gas - 5l,

Portable tankless gas - 5l,

£239.99
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Gasland gas water - water, heater

Gasland gas water - water, heater

£189.99
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£86.99
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18l tankless lpg water heater - 18l,

18l tankless lpg water heater - 18l,

£92.99
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Chaffoteaux britony gas - 2,

Chaffoteaux britony gas - 2,

£549.99
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12l lpg tankless - lpg, gas

12l lpg tankless - lpg, gas

£74.99
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Camplux nano gas water heater - camplux,

Camplux nano gas water heater - camplux,

£359.99
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18 20l instant gas - instant,

18 20l instant gas - instant,

£88.99
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Ideal 171925 gas valve kit - gas,

Ideal 171925 gas valve kit - gas,

£156.70
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Portable lpg hot - portable, 6l

Portable lpg hot - portable, 6l

£80.99
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12v rv tankless water - 9/12,

12v rv tankless water - 9/12,

£79.99
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Lpg 16l portable instant - 16l,

Lpg 16l portable instant - 16l,

£92.99
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£91.99
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Gasland tankless water heater - gasland,

Gasland tankless water heater - gasland,

£209.99
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Hot water heater - hot,

Hot water heater - hot,

£134.40
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New ariston next - evo, ng

New ariston next - evo, ng

£449.99
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New ariston next - new, evo

New ariston next - new, evo

£384.99
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350 camping shower portable - cm,

350 camping shower portable - cm,

£269.99
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Portable propane gas hot - propane, water

Portable propane gas hot - propane, water

£209.99
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18l propane gas tankless - 8l-18l,

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

£105.00
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Gasland shower portable gas - go,

Gasland shower portable gas - go,

£339.99
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Camplux 10l instant gas hot - instant,

Camplux 10l instant gas hot - instant,

£259.99
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Carver cascade mk2 caravan - carver,

Carver cascade mk2 caravan - carver,

£48.00
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Water heater gas - water, model

Water heater gas - water, model

£397.79
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Min propane instant - propane,

Min propane instant - propane,

£80.99
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Universal battery case - battery,

Universal battery case - battery,

£6.99
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Camplux nano 12v - portable, rv

Camplux nano 12v - portable, rv

£359.99
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Baxi bermuda 552 back - baxi,

Baxi bermuda 552 back - baxi,

£52.70
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Ltr gas electric truma - ltr,

Ltr gas electric truma - ltr,

£409.00
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Carver cascade mk2 water - cascade,

Carver cascade mk2 water - cascade,

£48.00
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Carver cascade water heater - cascade,

Carver cascade water heater - cascade,

£51.99
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Ferroli pegaso eco static - eco,

Ferroli pegaso eco static - eco,

£312.00
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Navien ncb300 28kw - ncb300,

Navien ncb300 28kw - ncb300,

£719.68
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Carver cascade water heater - carver,

Carver cascade water heater - carver,

£51.99
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Truma ultrastore gas - ultrastore,

Truma ultrastore gas - ultrastore,

£419.00
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20l portable camping water - portable,

20l portable camping water - portable,

£125.99
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Propex malaga gas electric - 5e, gas/electric

Propex malaga gas electric - 5e, gas/electric

£599.99
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Worcester bosch telescopic - worcester,

Worcester bosch telescopic - worcester,

£75.58
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Whale high capacity 13l - high,

Whale high capacity 13l - high,

£795.00
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16l instant hot tankless water - 16l,

16l instant hot tankless water - 16l,

£185.99
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Carver cascade water heater - water,

Carver cascade water heater - water,

£46.95
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18l instant gas hot - gas,

18l instant gas hot - gas,

£88.99
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Whale expanse 8lt underfloor - whale,

Whale expanse 8lt underfloor - whale,

£595.00
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18l lpg water - 18l, propane

18l lpg water - 18l, propane

£92.99
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Whale rapid gas - electric, 8

Whale rapid gas - electric, 8

£699.95
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Portable lpg hot - hot, water

Portable lpg hot - hot, water

£80.99
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Whale expanse water - heater, gas

Whale expanse water - heater, gas

£629.00
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240v gas controls - 240v, for

240v gas controls - 240v, for

£69.95
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Water heater ignition - heater,

Water heater ignition - heater,

£45.11
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Static caravan cointra cpa - cointra, 6

Static caravan cointra cpa - cointra, 6

£64.95
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Gas boiler hot - gas,

Gas boiler hot - gas,

£9.99
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Carver cascade mk2 water - cascade,

Carver cascade mk2 water - cascade,

£48.00
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Whale water heater - whale, drain

Whale water heater - whale, drain

£67.90
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Carver cascade mk2 water - carver, 2

Carver cascade mk2 water - carver, 2

£46.00
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Ideal vertical flue kit - ideal,

Ideal vertical flue kit - ideal,

£94.30
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Carver cascade caravan - 2, water

Carver cascade caravan - 2, water

£3.95
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Vaillant ecotec pro vuw - vaillant,

Vaillant ecotec pro vuw - vaillant,

£91.99
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Static caravan cointra cpa - cpa, 11

Static caravan cointra cpa - cpa, 11

£64.95
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Carver cascade gas electric - cascade,

Carver cascade gas electric - cascade,

£8.49
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Whale water heater expanse - whale,

Whale water heater expanse - whale,

£64.99
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Carver cascade water heater - carver,

Carver cascade water heater - carver,

£53.99
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New ariston next - new,

New ariston next - new,

£473.99
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Vaillant 171175 gas boiler - 171175,

Vaillant 171175 gas boiler - 171175,

£12.99
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Vokera easiflo water - water, heater

Vokera easiflo water - water, heater

£18.99
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Vaillant ecotec service kit - vaillant,

Vaillant ecotec service kit - vaillant,

£92.50
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Britony water heater fully - water,

Britony water heater fully - water,

£399.00
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📊96 listings · from £3.95 · avg £176.72
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 gas water heater listings currently in our index. Prices range from £3.95 to £795, with an average of £176.72. 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 | 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 £3.95, while premium listings can reach £795 — giving you a wide budget spread to work with. The average price of £176.72 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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