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Gas water heaters for sale on largest auction and classifieds sites

Home / Water Heating & Filtration / Gas water heaters refurbished & used for sale | For Sale
18l propane gas tankless - 8l-18l,

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

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

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

€99.99
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18l propane gas - propane,

18l propane gas - propane,

€99.99
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Instant gas hot water - 8l,

Instant gas hot water - 8l,

€69.99
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18l lpg propane gas - 8/10/12/16/18l,

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

€112.80
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Evolve 30kw 16l natural gas - evolve,

Evolve 30kw 16l natural gas - evolve,

€339.99
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New 18l instant - new,

New 18l instant - new,

€113.99
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18l propane gas tankless - 8l-18l,

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

€72.37
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18l lpg propane - 8/10/12/16/18l,

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

€116.99
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Portable lpg propane gas 10l - lpg,

Portable lpg propane gas 10l - lpg,

€89.99
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Tankless gas hot water heater - gas,

Tankless gas hot water heater - gas,

€179.99
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Camplux portable gas water - gas,

Camplux portable gas water - gas,

€238.99
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New ariston next evo - ariston, 16

New ariston next evo - ariston, 16

€396.99
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Baxi multifit 720627001 plume - multifit,

Baxi multifit 720627001 plume - multifit,

€65.00
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Camplux mobile gas hot - camplux, water

Camplux mobile gas hot - camplux, water

€259.99
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Tankless portable gas - tankless,

Tankless portable gas - tankless,

€80.99
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18l instant gas - gas, water

18l instant gas - gas, water

€77.99
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18l lpg propane - 8/10/12/16/18l, gas

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

€112.80
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18l propane gas tankless - 8l-18l,

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

€69.99
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18l propane gas tankless - 18l,

18l propane gas tankless - 18l,

€113.76
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18l instant gas - instant, hot

18l instant gas - instant, hot

€89.99
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Portable water heater - portable,

Portable water heater - portable,

€82.80
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18l propane gas tankless - 8l-18l,

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

€76.98
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18l lpg propane gas - lpg,

18l lpg propane gas - lpg,

€116.99
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Camplux first gas water heater - first,

Camplux first gas water heater - first,

€259.99
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

€69.00
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Gasland instant lpg water - gasland,

Gasland instant lpg water - gasland,

€209.99
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Lpg propane gas - 16/12/6l,

Lpg propane gas - 16/12/6l,

€79.99
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Ideal 171925 gas valve kit - 171925,

Ideal 171925 gas valve kit - 171925,

€156.70
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Brand new baxi - brand,

Brand new baxi - brand,

€435.10
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Camplux tankless propane gas - camplux,

Camplux tankless propane gas - camplux,

€278.99
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18l lpg tankless gas water - lpg,

18l lpg tankless gas water - lpg,

€112.82
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16l portable instant gas hot - gas,

16l portable instant gas hot - gas,

€106.80
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Tankless instant boiler horse - tankless,

Tankless instant boiler horse - tankless,

€112.79
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Tankless portable gas water - portable,

Tankless portable gas water - portable,

€81.37
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

€105.99
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18l lpg propane gas - 8/10/12/16/18l,

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

€110.00
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12l hot water heater - hot,

12l hot water heater - hot,

€100.97
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Sit gas valve 660 - gas, valve,

Sit gas valve 660 - gas, valve,

€80.77
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18l 36kw gas - 18l, hot

18l 36kw gas - 18l, hot

€113.99
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18l propane gas - water, heater

18l propane gas - water, heater

€105.99
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Tankless portable gas water - gas,

Tankless portable gas water - gas,

€80.99
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Instant hot water heater - hot,

Instant hot water heater - hot,

€116.99
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Ltr gas electric truma - 10,

Ltr gas electric truma - 10,

€409.00
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18l instant gas hot - 8/10/12/16/18l,

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

€89.99
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Portable gas water - water, heater

Portable gas water - water, heater

€80.99
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12v rv tankless - tankless, water

12v rv tankless - tankless, water

€79.99
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18l tankless lpg water - 18l, heater

18l tankless lpg water - 18l, heater

€109.99
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Portable water heater off grid - portable,

Portable water heater off grid - portable,

€81.33
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16 18l lpg water - 6/8/10/12/16/18l,

16 18l lpg water - 6/8/10/12/16/18l,

€82.80
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Portable gas water heater - portable,

Portable gas water heater - portable,

€80.99
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10l instant lpg - instant, portable

10l instant lpg - instant, portable

€94.80
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18l tankless lpg water - 18l, heater

18l tankless lpg water - 18l, heater

€116.99
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Truma ultrastore 10l rapid - truma,

Truma ultrastore 10l rapid - truma,

€419.00
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Portable lpg hot water - lpg,

Portable lpg hot water - lpg,

€81.20
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Gasland lpg instant gas - gasland,

Gasland lpg instant gas - gasland,

€209.99
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16l gas hot water - 16l,

16l gas hot water - 16l,

€96.99
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New 18l lpg - 8/10/12/16/18l,

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

€112.79
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Propane gas hot water - water, heater

Propane gas hot water - water, heater

€225.99
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Instant gas hot water heater - gas,

Instant gas hot water heater - gas,

€108.99
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18l instant gas hot - instant,

18l instant gas hot - instant,

€116.99
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Caravan truma ultrastore water - truma,

Caravan truma ultrastore water - truma,

€38.00
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Instant gas hot - hot, water

Instant gas hot - hot, water

€108.99
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18l tankless lpg water - 18l, heater

18l tankless lpg water - 18l, heater

€89.99
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Portable gas water heater - portable,

Portable gas water heater - portable,

€80.99
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Tankless gas water heater - gas,

Tankless gas water heater - gas,

€80.99
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Min propane instant - 8l/min, water

Min propane instant - 8l/min, water

€88.80
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Whale expanse 8lt - expanse, underfloor

Whale expanse 8lt - expanse, underfloor

€595.00
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Hot caravan water horse 16l - horse,

Hot caravan water horse 16l - horse,

€108.99
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Baxi brazillia control knob - baxi,

Baxi brazillia control knob - baxi,

€35.00
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16l propane gas lpg tankless - 16l,

16l propane gas lpg tankless - 16l,

€106.79
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10pcs 50mm gas - 50mm, heater

10pcs 50mm gas - 50mm, heater

€3.99
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Efficient solenoid valve - 3v,

Efficient solenoid valve - 3v,

€10.73
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Universal fibre washer - 3/4",

Universal fibre washer - 3/4",

€9.99
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Chaffoteaux britony ii bf - 2t,,

Chaffoteaux britony ii bf - 2t,,

€15.99
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Reliable thermocouple - reliable,

Reliable thermocouple - reliable,

€7.75
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Portable lpg hot water - portable,

Portable lpg hot water - portable,

€80.99
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Worcester 7716192610 keyless - worcester,

Worcester 7716192610 keyless - worcester,

€16.15
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61000 btu tankless - 61000, rv

61000 btu tankless - 61000, rv

€225.99
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Britony water heater flue - britony,

Britony water heater flue - britony,

€260.70
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Boiler box pipework cover - box,

Boiler box pipework cover - box,

€36.50
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Main multipoint water - main,

Main multipoint water - main,

€174.98
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Carver cascade water heater - cascade,

Carver cascade water heater - cascade,

€51.99
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Drayton port za5 - drayton, bgmvsp2

Drayton port za5 - drayton, bgmvsp2

€49.99
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10l lpg instant tankless - instant,

10l lpg instant tankless - instant,

€95.99
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12l 2gpm tankless lpg - 12l,

12l 2gpm tankless lpg - 12l,

€100.80
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Glowworm ideal baxi - glowworm,

Glowworm ideal baxi - glowworm,

€208.70
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Carver cascade gas - cascade, electric

Carver cascade gas - cascade, electric

€8.99
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Worcester air vent 87161064450 - worcester,

Worcester air vent 87161064450 - worcester,

€9.50
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18l instant gas - instant,

18l instant gas - instant,

€108.99
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18l propane gas - gas, water

18l propane gas - gas, water

€112.79
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Home gas water heater - gas,

Home gas water heater - gas,

€293.99
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Propane gas tankless hot - 8l,

Propane gas tankless hot - 8l,

€88.79
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Carver cascade mk2 caravan - 2,

Carver cascade mk2 caravan - 2,

€48.00
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Vaillant ecotec plus - vaillant,

Vaillant ecotec plus - vaillant,

€49.99
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32kw 16l instant gas hot - hot, water

32kw 16l instant gas hot - hot, water

€106.79
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📊96 listings · from €3.99 · avg €125.1
⚠️ These listings were last updated more than 8 days ago. Search for fresh listings

Browse 96 gas water heaters listings currently in our index. Prices range from €3.99 to €595, with an average of €125.1. 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 heaters →

Try this: riello | magnaclean 28mm | potterton suprima pcb | grant vortex | potterton suprima | honeywell v4043 | expansion vessel 12 | ideal isar pcb | glow worm parts | tefal quick cup

Shop by budget

< €25 €25 – €50 €50 – €100 €100 – €200 €200 – €500 > €500

Everything you need to know about gas water heaters

Whether you are looking for a brand-new or second-hand gas water heaters, 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 €3.99, while premium listings can reach €595 — giving you a wide budget spread to work with. The average price of €125.1 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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