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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 - instant,

Instant gas hot water - instant,

£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,

18l propane gas - 18l,

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

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

£83.99
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Portable lpg propane - gas, 10l

Portable lpg propane - gas, 10l

£88.99
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Portable water heater - 6l,

Portable water heater - 6l,

£63.23
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18l propane gas tankless - 8l-18l,

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

£70.99
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Lpg instantaneous water - lpg,

Lpg instantaneous water - lpg,

£83.99
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Thermomate az132 5l portable - thermomate,

Thermomate az132 5l portable - thermomate,

£159.99
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18l instant gas hot - 8-18l,

18l instant gas hot - 8-18l,

£98.00
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18l propane gas tankless - 8l-18l,

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

£67.85
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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£72.37
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Tankless gas hot water - tankless,

Tankless gas hot water - tankless,

£179.99
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18l hot water - 8/10/12/16/18l,

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

£88.80
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Lpg 18l portable instant - instant, gas

Lpg 18l portable instant - instant, gas

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

Evolve 30kw 16l natural gas - evolve,

£339.99
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Portable water heater - portable,

Portable water heater - portable,

£64.43
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18l lpg propane gas - propane,

18l lpg propane gas - propane,

£88.80
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Lpg hot water heater propane - hot,

Lpg hot water heater propane - hot,

£73.89
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Lpg hot water heater - lpg,

Lpg hot water heater - lpg,

£80.99
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18l lpg propane - 18l, gas

18l lpg propane - 18l, gas

£83.99
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18l instant gas - 8-18l, water

18l instant gas - 8-18l, water

£77.99
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

£83.99
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Camplux propane tankless water - camplux,

Camplux propane tankless water - camplux,

£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 - propane,

36kw lpg propane gas tankless - propane,

£83.99
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Gasland 10l instant - gas, hot

Gasland 10l instant - gas, hot

£209.99
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Camplux min gas water - camplux, l/min

Camplux min gas water - camplux, l/min

£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 boiler - 12l,

12l hot water heater boiler - 12l,

£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 - mobile, hot

Camplux mobile gas - mobile, hot

£359.99
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Gasland instant lpg water - 6l,

Gasland instant lpg water - 6l,

£209.99
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Camplux nano gas - nano,

Camplux nano gas - nano,

£359.99
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Camplux nano 12v portable - camplux,

Camplux nano 12v portable - camplux,

£359.99
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18l tankless propane gas - tankless,

18l tankless propane gas - tankless,

£83.99
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Static caravan deluxe water - static,

Static caravan deluxe water - static,

£249.99
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18l 36kw lpg hot water - lpg, heater

18l 36kw lpg hot water - lpg, heater

£112.80
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Lpg 18l portable instant - lpg,

Lpg 18l portable instant - lpg,

£107.99
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Min propane instant - instant, water

Min propane instant - instant, water

£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 - 8l-18l,

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

£81.99
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18l instant gas hot - instant,

18l instant gas hot - instant,

£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 - 20l,

20l lpg instant water - 20l,

£134.40
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20l portable camping - portable, water

20l portable camping - portable, water

£125.99
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Chaffoteaux britony gas - chaffoteaux,

Chaffoteaux britony gas - chaffoteaux,

£319.99
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£113.76
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Carver cascade mk2 - mk2, water

Carver cascade mk2 - mk2, water

£48.00
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Tankless hot water heater - tankless,

Tankless hot water heater - tankless,

£80.19
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Hot caravan water horse - caravan, 16l

Hot caravan water horse - caravan, 16l

£106.99
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Instant gas hot water - instant, heater

Instant gas hot water - instant, heater

£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 - 10,

Ltr gas electric truma - 10,

£409.00
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18l lpg propane gas - gas, tankless

18l lpg propane gas - gas, tankless

£83.99
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Whale expanse water heater gas - whale,

Whale expanse water heater gas - whale,

£595.00
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Hot 18l gas heater water - gas,

Hot 18l gas heater water - gas,

£77.99
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Home gas water heater - home,

Home gas water heater - home,

£348.99
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Main multipoint water - multipoint, bf

Main multipoint water - multipoint, bf

£174.98
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Truma ultrastore gas - truma, &

Truma ultrastore gas - truma, &

£419.00
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Carver cascade mk2 - cascade, 2

Carver cascade mk2 - cascade, 2

£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 - cascade, 2

Carver cascade mk2 water - cascade, 2

£46.00
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Whale expanse water heater gas - expanse,

Whale expanse water heater gas - expanse,

£629.00
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Carver cascade water - cascade,

Carver cascade water - cascade,

£51.99
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16l gas hot water - hot,

16l gas hot water - hot,

£91.99
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Ferroli pegaso eco static - eco,

Ferroli pegaso eco static - eco,

£312.00
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Whale water heater drain - water,

Whale water heater drain - water,

£67.90
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12l lpg instant water - 12l,

12l lpg instant water - 12l,

£83.99
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18l lpg hot water - water, heater

18l lpg hot water - water, heater

£113.99
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Static caravan cointra cpa - static, 6

Static caravan cointra cpa - static, 6

£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 - cointra, 11

Static caravan cointra - cointra, 11

£64.95
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12l lpg instant water - instant,

12l lpg instant water - instant,

£83.99
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Vaillant flue horizontal - vaillant,

Vaillant flue horizontal - vaillant,

£65.00
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Gas water heater - gas,

Gas water heater - gas,

£7.69
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Carver cascade gas electric - cascade,

Carver cascade gas electric - cascade,

£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 - heater, gas

Whale water heater - heater, gas

£39.95
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Biasi riva plus m296 - biasi,

Biasi riva plus m296 - biasi,

£89.99
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12l portable water heater 2 - portable, 3.2

12l portable water heater 2 - portable, 3.2

£100.79
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Regin boiler heat - boiler, exchanger

Regin boiler heat - boiler, exchanger

£19.36
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Carver cascade gas - cascade, electric

Carver cascade gas - cascade, electric

£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 position head - mid,

Drayton ma1 mid position head - mid,

£59.89
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Carver cascade water heater - cascade,

Carver cascade water heater - cascade,

£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 water - cascade, 2

Carver cascade mk2 water - cascade, 2

£48.00
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Static caravan water heater - water,

Static caravan water heater - water,

£269.95
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Truma gas valve for - truma,

Truma gas valve for - truma,

£99.99
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Carver cascade caravan water - 2,

Carver cascade caravan water - 2,

£3.95
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Honeywell 240v grey push - 240v,

Honeywell 240v grey push - 240v,

£63.10
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Baxi system boiler 15kw - baxi,

Baxi system boiler 15kw - baxi,

£394.30
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Baxi 242459 239405 - , promax/solo

Baxi 242459 239405 - , promax/solo

£119.99
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📊96 listings · from £3.95 · avg £135.83

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 | baxi boiler parts | worcester 24cdi | worcester combi | immersion heater timer | gas water boiler

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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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