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Home / Water Heating & Filtration / Gas water heater refurbished & used for sale | For Sale UK
18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£100.80
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Instant gas hot water - 8l,

Instant gas hot water - 8l,

£69.99
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£79.99
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Portable lpg propane - propane, gas

Portable lpg propane - propane, gas

£112.79
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18l propane gas - 18l, tankless

18l propane gas - 18l, tankless

£89.99
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New 18l instant gas - 8/10/12/16/18l,

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

£83.99
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Portable lpg propane gas - portable,

Portable lpg propane gas - portable,

£88.99
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Portable water heater - portable,

Portable water heater - portable,

£63.23
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£70.99
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Lpg instantaneous water heater - instantaneous,

Lpg instantaneous water heater - instantaneous,

£83.99
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Thermomate az132 5l portable - /,

Thermomate az132 5l portable - /,

£159.99
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18l instant gas - 8-18l,

18l instant gas - 8-18l,

£98.00
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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£67.85
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18l propane gas tankless - 8l-18l,

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

£72.37
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Tankless gas hot - hot, heater

Tankless gas hot - hot, heater

£179.99
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18l hot water - hot,

18l hot water - hot,

£88.80
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Lpg 18l portable - lpg, instant

Lpg 18l portable - lpg, instant

£111.99
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Evolve 30kw 16l - 30kw-16l, natural

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

£339.99
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Portable water heater - water,

Portable water heater - water,

£64.43
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18l lpg propane gas - 8/10/12/16/18l,

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

£88.80
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Lpg hot water - lpg, propane

Lpg hot water - lpg, propane

£73.89
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Lpg hot water heater - hot,

Lpg hot water heater - hot,

£80.99
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£83.99
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18l instant gas hot water - hot,

18l instant gas hot water - hot,

£77.99
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18l lpg propane gas - 8l-18l,

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

£83.99
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Camplux propane tankless water - tankless,

Camplux propane tankless water - tankless,

£110.00
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Portable propane gas tankless - portable,

Portable propane gas tankless - portable,

£88.80
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36kw lpg propane gas tankless - gas,

36kw lpg propane gas tankless - gas,

£83.99
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Gasland 10l instant gas - gasland,

Gasland 10l instant gas - gasland,

£209.99
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Camplux min gas - camplux, water

Camplux min gas - camplux, water

£239.99
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18l propane gas tankless - 8l-18l,

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

£77.99
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12l hot water heater - hot,

12l hot water heater - hot,

£100.97
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Lpg propane gas - 16/12/6l,

Lpg propane gas - 16/12/6l,

£79.99
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Camplux mobile gas - camplux, hot

Camplux mobile gas - camplux, hot

£359.99
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Gasland instant lpg water - gasland,

Gasland instant lpg water - gasland,

£209.99
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Camplux nano gas water - camplux,

Camplux nano gas water - camplux,

£359.99
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Camplux nano 12v portable - nano, rv

Camplux nano 12v portable - nano, rv

£359.99
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18l tankless propane - gas, water

18l tankless propane - gas, water

£83.99
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Static caravan deluxe - static,

Static caravan deluxe - static,

£249.99
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18l 36kw lpg - 36kw,

18l 36kw lpg - 36kw,

£112.80
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Lpg 18l portable instant - instant, gas

Lpg 18l portable instant - instant, gas

£107.99
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Min propane instant water - 6l/min,

Min propane instant water - 6l/min,

£80.99
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£76.98
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£81.99
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18l instant gas hot - 8/10/12/16/18l,

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

£83.99
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350 camping shower portable - 350,

350 camping shower portable - 350,

£269.99
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20l lpg instant water heater - instant,

20l lpg instant water heater - instant,

£134.40
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20l portable camping water - 20l,

20l portable camping water - 20l,

£125.99
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Chaffoteaux britony gas - t, &

Chaffoteaux britony gas - t, &

£319.99
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18l propane gas tankless - 18l,

18l propane gas tankless - 18l,

£113.76
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Carver cascade mk2 water - carver,

Carver cascade mk2 water - carver,

£48.00
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Tankless hot water heater - 6l,

Tankless hot water heater - 6l,

£80.19
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Hot caravan water horse 16l - caravan,

Hot caravan water horse 16l - caravan,

£106.99
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Instant gas hot water heater - gas,

Instant gas hot water heater - gas,

£83.99
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New ariston next evo - next, ng

New ariston next evo - next, ng

£396.99
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Ltr gas electric truma - gas,

Ltr gas electric truma - gas,

£409.00
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18l lpg propane gas tankless - propane,

18l lpg propane gas tankless - propane,

£83.99
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Whale expanse water heater gas - expanse,

Whale expanse water heater gas - expanse,

£595.00
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Hot 18l gas - heater, water

Hot 18l gas - heater, water

£77.99
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Home gas water heater - gas,

Home gas water heater - gas,

£348.99
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Main multipoint water - multipoint,

Main multipoint water - multipoint,

£174.98
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Truma ultrastore gas - ultrastore,

Truma ultrastore gas - ultrastore,

£419.00
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Carver cascade mk2 caravan - mk2,

Carver cascade mk2 caravan - mk2,

£48.00
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20l portable camping water - portable,

20l portable camping water - portable,

£134.40
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Carver cascade mk2 water - 2,

Carver cascade mk2 water - 2,

£46.00
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Whale expanse water heater gas - whale,

Whale expanse water heater gas - whale,

£629.00
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Carver cascade water - carver,

Carver cascade water - carver,

£51.99
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16l gas hot - gas,

16l gas hot - gas,

£91.99
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Ferroli pegaso eco static - ferroli, 11

Ferroli pegaso eco static - ferroli, 11

£312.00
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Whale water heater - water,

Whale water heater - water,

£67.90
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12l lpg instant water heater - 12l,

12l lpg instant water heater - 12l,

£83.99
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18l lpg hot water heater - lpg,

18l lpg hot water heater - lpg,

£113.99
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Static caravan cointra cpa - static,

Static caravan cointra cpa - static,

£64.95
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Camplux instant gas hot - camplux,

Camplux instant gas hot - camplux,

£239.99
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Static caravan cointra cpa - caravan,

Static caravan cointra cpa - caravan,

£64.95
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12l lpg instant water heater - 12l,

12l lpg instant water heater - 12l,

£83.99
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Vaillant flue horizontal - flue,

Vaillant flue horizontal - flue,

£65.00
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Gas water heater solenoid - water,

Gas water heater solenoid - water,

£7.69
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Carver cascade gas electric - carver, 2

Carver cascade gas electric - carver, 2

£8.99
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Carver cascade water heater - carver,

Carver cascade water heater - carver,

£53.99
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Whale water heater - whale,

Whale water heater - whale,

£39.95
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Biasi riva plus - plus, m296.24sm

Biasi riva plus - plus, m296.24sm

£89.99
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12l portable water heater - 12l,

12l portable water heater - 12l,

£100.79
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Regin boiler heat exchanger - regin,

Regin boiler heat exchanger - regin,

£19.36
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Carver cascade gas electric - carver,

Carver cascade gas electric - carver,

£8.49
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Whale propex water - propex, heater

Whale propex water - propex, heater

£71.95
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Drayton ma1 mid - drayton, head

Drayton ma1 mid - drayton, head

£59.89
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Carver cascade water - carver, 2

Carver cascade water - carver, 2

£3.99
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Stable performance gas water - performance,

Stable performance gas water - performance,

£9.97
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Carver cascade mk2 - cascade, water

Carver cascade mk2 - cascade, water

£48.00
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Static caravan water heater - caravan,

Static caravan water heater - caravan,

£269.95
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Truma gas valve - gas, for

Truma gas valve - gas, for

£99.99
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Carver cascade caravan water - cascade,

Carver cascade caravan water - cascade,

£3.95
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Honeywell 240v grey push - honeywell,

Honeywell 240v grey push - honeywell,

£63.10
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Baxi system boiler - baxi, ng

Baxi system boiler - baxi, ng

£394.30
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Baxi 242459 239405 promax - 242459, promax/solo

Baxi 242459 239405 promax - 242459, promax/solo

£119.99
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📊96 listings · from £3.95 · avg £135.83
⚠️ These listings were last updated more than 20 days ago. Search for fresh listings

Browse 96 gas water heater listings currently in our index. Prices range from £3.95 to £629, with an average of £135.83. 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 | central heating cleaner | 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 £3.95, while premium listings can reach £629 — giving you a wide budget spread to work with. The average price of £135.83 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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