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Gas boiler for sale on largest auction and classifieds sites

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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£99.99
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£99.99
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18l propane gas - propane, tankless

18l propane gas - propane, tankless

£99.99
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18l instant gas hot - 18l,

18l instant gas hot - 18l,

£99.99
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Instant gas hot - instant,

Instant gas hot - instant,

£69.99
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350 camping shower portable - camping,

350 camping shower portable - camping,

£269.99
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New 18l instant gas - new, 8/10/12/16/18l

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

£111.99
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Lpg 18l portable instant - lpg, gas

Lpg 18l portable instant - lpg, gas

£111.99
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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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Tankless gas hot - hot, heater

Tankless gas hot - hot, heater

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

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

£77.80
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18l instant gas hot - gas,

18l instant gas hot - gas,

£99.99
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Evolve 30kw 16l natural gas - evolve, 30kw-16l

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

£339.99
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Baxi multifit 720627001 plume - baxi,

Baxi multifit 720627001 plume - baxi,

£65.00
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Camplux nano 12v portable - 12v,

Camplux nano 12v portable - 12v,

£359.99
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Worcester greenstar - worcester,

Worcester greenstar - worcester,

£97.00
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Boiler box pipework cover - boiler,

Boiler box pipework cover - boiler,

£38.00
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Beok wifi thermostat - thermostat, for

Beok wifi thermostat - thermostat, for

£10.79
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18l propane gas tankless - 18l,

18l propane gas tankless - 18l,

£113.76
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Portable lpg propane gas hot - portable,

Portable lpg propane gas hot - portable,

£112.79
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18l propane gas tankless - 8l-18l,

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

£99.99
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Tuya wifi smart thermostat - wifi,

Tuya wifi smart thermostat - wifi,

£26.99
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18l propane gas tankless - propane,

18l propane gas tankless - propane,

£91.99
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Tankless hot water - tankless,

Tankless hot water - tankless,

£80.99
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Propane gas water boiler - propane,

Propane gas water boiler - propane,

£225.00
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18l lpg propane - 8/10/12/16/18l,

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

£107.16
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Hot 18l gas - 8/16/18l, heater

Hot 18l gas - 8/16/18l, heater

£77.99
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Worcester greenstar junior 24i - junior,

Worcester greenstar junior 24i - junior,

£94.30
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10l min propane instant water - 10l/min,

10l min propane instant water - 10l/min,

£90.06
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Worcester 100mm long - worcester,

Worcester 100mm long - worcester,

£73.50
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18l instant gas - instant,

18l instant gas - instant,

£99.99
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Ideal maxico bed - super, rs

Ideal maxico bed - super, rs

£169.00
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18l propane gas tankless - gas,

18l propane gas tankless - gas,

£127.89
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Regin boiler heat - boiler, exchanger

Regin boiler heat - boiler, exchanger

£19.36
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Smart thermostat - wi-fi,

Smart thermostat - wi-fi,

£35.99
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Baxi gas valve - valve, kit

Baxi gas valve - valve, kit

£37.10
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18l instant gas - hot, water

18l instant gas - hot, water

£98.99
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Glowworm british gas - glowworm,

Glowworm british gas - glowworm,

£43.80
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British gas bg330 - gas, boiler

British gas bg330 - gas, boiler

£45.00
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Regin mini premier - regin, mini-premier

Regin mini premier - regin, mini-premier

£88.00
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36kw lpg propane gas tankless - propane,

36kw lpg propane gas tankless - propane,

£67.99
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Super safe litre stainless - super, 17

Super safe litre stainless - super, 17

£291.50
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Worcester bosch 8716122007 - worcester,

Worcester bosch 8716122007 - worcester,

£125.50
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Ravenheat csi 85t - ravenheat, system

Ravenheat csi 85t - ravenheat, system

£4.47
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10l portable instant gas hot - 10l,

10l portable instant gas hot - 10l,

£88.99
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Gasland instant lpg water - gasland, 6l

Gasland instant lpg water - gasland, 6l

£209.99
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Universal fibre washer - 1/2",

Universal fibre washer - 1/2",

£8.99
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Instant gas hot - instant,

Instant gas hot - instant,

£111.99
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12kw lpg hot water heater - 12kw,

12kw lpg hot water heater - 12kw,

£80.99
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18l lpg tankless gas - 18l, water

18l lpg tankless gas - 18l, water

£112.82
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Magnet manometer gauge hose - manometer,

Magnet manometer gauge hose - manometer,

£8.50
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Gas water boiler pan with - boiler, tap

Gas water boiler pan with - boiler, tap

£225.00
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Carver cascade mk2 - cascade, water

Carver cascade mk2 - cascade, water

£48.00
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Carver cascade gas electric - 2,

Carver cascade gas electric - 2,

£8.99
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Testo kane tpi flue - testo,

Testo kane tpi flue - testo,

£5.50
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Personalised gas appliance - personalised,

Personalised gas appliance - personalised,

£109.99
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10l portable instant gas - portable,

10l portable instant gas - portable,

£85.99
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Tankless water heater 3 - rv,

Tankless water heater 3 - rv,

£185.99
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Digital led thermostat 16a - led,

Digital led thermostat 16a - led,

£19.69
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Ideal logic combi gas - logic+,

Ideal logic combi gas - logic+,

£700.00
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Vaillant 100 degree - 60/100, 45-degree

Vaillant 100 degree - 60/100, 45-degree

£26.70
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Burco standard lpg gas hot - burco,

Burco standard lpg gas hot - burco,

£10.00
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Baxi combi 105he - combi,

Baxi combi 105he - combi,

£17.16
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Wifi smart thermostat central - smart,

Wifi smart thermostat central - smart,

£29.99
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18l lpg propane - lpg,

18l lpg propane - lpg,

£97.99
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U16 g10 high flow commission - u16/g10,

U16 g10 high flow commission - u16/g10,

£139.00
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Baxi combi 80e 105e - combi, 80eco

Baxi combi 80e 105e - combi, 80eco

£10.45
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18l tankless propane - propane, gas

18l tankless propane - propane, gas

£97.99
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18l lpg propane - propane, gas

18l lpg propane - propane, gas

£111.99
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Glowworm ultracom sxi - 18/30,

Glowworm ultracom sxi - 18/30,

£16.53
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Regin smart metering - smart, (gas)

Regin smart metering - smart, (gas)

£153.50
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Vaillant ecotec plus - ecotec, vu/ecotec

Vaillant ecotec plus - ecotec, vu/ecotec

£89.10
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Glow worm ignition - glow-worm,

Glow worm ignition - glow-worm,

£20.99
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Vaillant flue extension 100mm - extension,

Vaillant flue extension 100mm - extension,

£21.50
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Vaillant printed circuit - printed,

Vaillant printed circuit - printed,

£109.90
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Universal thermocouple kit - universal,

Universal thermocouple kit - universal,

£6.99
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Worcester greenstar 18 - greenstar,

Worcester greenstar 18 - greenstar,

£18.49
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Vaillant ecotec pro 28 - vaillant,

Vaillant ecotec pro 28 - vaillant,

£10.99
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Vaillant ecotec plus 824 - vaillant,

Vaillant ecotec plus 824 - vaillant,

£102.50
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Min propane instant water - propane,

Min propane instant water - propane,

£80.99
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Vaillant diverter valve - vaillant,

Vaillant diverter valve - vaillant,

£26.70
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Universal thermocouple kit - universal,

Universal thermocouple kit - universal,

£6.79
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Worcester bosch dhw - worcester,

Worcester bosch dhw - worcester,

£14.99
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Worcester greenstar 18 24 - worcester, 12

Worcester greenstar 18 24 - worcester, 12

£13.99
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12l hot water heater boiler - 12l,

12l hot water heater boiler - 12l,

£100.97
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Static caravan water - static,

Static caravan water - static,

£269.95
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Universal gas boiler oven - universal,

Universal gas boiler oven - universal,

£7.49
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Pactrol boiler full - pactrol, sequence

Pactrol boiler full - pactrol, sequence

£44.00
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Tuya smart thermostat wifi - thermostat,

Tuya smart thermostat wifi - thermostat,

£20.39
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Metal hook for plastic - hook,

Metal hook for plastic - hook,

£17.50
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Vaillant glowworm boiler top - vaillant,

Vaillant glowworm boiler top - vaillant,

£5.00
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20l portable camping water - 20l,

20l portable camping water - 20l,

£134.40
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18l tankless lpg water - 18l,

18l tankless lpg water - 18l,

£111.99
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Vaillant ecotec plus boiler - vaillant,

Vaillant ecotec plus boiler - vaillant,

£79.99
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Vaillant boiler pcb ecotec - vaillant,

Vaillant boiler pcb ecotec - vaillant,

£58.99
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87161063540 worcester - 87161063540,

87161063540 worcester - 87161063540,

£80.99
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📊96 listings · from £4.47 · avg £93.97

Browse 96 gas boiler listings currently in our index. Prices range from £4.47 to £700, with an average of £93.97. 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 boiler →

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Everything you need to know about gas boiler

Whether you are looking for a brand-new or second-hand gas boiler, 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 £4.47, while premium listings can reach £700 — giving you a wide budget spread to work with. The average price of £93.97 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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