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Force water boiler model - force,

Force water boiler model - force,

$1200.00
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Velocity water boiler - velocity,

Velocity water boiler - velocity,

$1799.99
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2012 viessman cm2 - 2012,

2012 viessman cm2 - 2012,

$4000.00
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Bosch zwb boiler natural - bosch,

Bosch zwb boiler natural - bosch,

$800.00
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18l 5gpm tankless lpg - 5gpm,

18l 5gpm tankless lpg - 5gpm,

$115.00
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18l 5gpm tankless lpg liquid - 18l,

18l 5gpm tankless lpg liquid - 18l,

$116.50
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10l 12l 18l tankless - 6l,

10l 12l 18l tankless - 6l,

$122.99
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Portable lpg propane - lpg, hot

Portable lpg propane - lpg, hot

$79.25
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Weil mclain 511 330 218 - weil-mclain, gas

Weil mclain 511 330 218 - weil-mclain, gas

$75.00
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Triangle tube instinct - tube,

Triangle tube instinct - tube,

$1799.95
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Rheem gpm smart super high - 9.5,

Rheem gpm smart super high - 9.5,

$849.95
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20l 26gpm lpg - 5.26gpm, gas

20l 26gpm lpg - 5.26gpm, gas

$130.90
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Weil mclain cga gas boiler - weil,

Weil mclain cga gas boiler - weil,

$2199.95
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Smith 190 000 btuh gas - o., 190,000-btuh

Smith 190 000 btuh gas - o., 190,000-btuh

$650.00
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Resideo vk8115v gas valve - resideo,

Resideo vk8115v gas valve - resideo,

$320.00
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Corro protec powered anode for - corro-protec,

Corro protec powered anode for - corro-protec,

$199.95
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18l 36kw lng - lng, gas

18l 36kw lng - lng, gas

$116.50
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Htp elud 285k btu natural - 285k,

Htp elud 285k btu natural - 285k,

$3500.00
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Rheem tankless water heater - tankless,

Rheem tankless water heater - tankless,

$825.00
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18l 5gpm tankless natural - 18l,

18l 5gpm tankless natural - 18l,

$116.50
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Smith gt15 240 ni - a.o., gt15-240-ni

Smith gt15 240 ni - a.o., gt15-240-ni

$995.00
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18l 5gpm natural propane - 18l, gas

18l 5gpm natural propane - 18l, gas

$116.50
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18l 5gpm tankless lpg liquid - tankless,

18l 5gpm tankless lpg liquid - tankless,

$116.29
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18l lpg propane gas - lpg, water

18l lpg propane gas - lpg, water

$116.50
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New noritz nrc98 - nrc98-od-ng, 9.8

New noritz nrc98 - nrc98-od-ng, 9.8

$749.00
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18l 36kw lpg propane - propane, gas

18l 36kw lpg propane - propane, gas

$116.50
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Burnham gas boiler burner - gas,

Burnham gas boiler burner - gas,

$29.99
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New williamson gwa - new, gwa-166-n-t

New williamson gwa - new, gwa-166-n-t

$2800.00
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Camplux gpm 102 000 - camplux,

Camplux gpm 102 000 - camplux,

$350.00
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Noritz nrc111od 199 900 - noritz, 199,900

Noritz nrc111od 199 900 - noritz, 199,900

$833.99
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Camplux portable propane water - portable,

Camplux portable propane water - portable,

$199.00
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Rheem rtgh 84dvln - rheem, rtgh-84dvln-1

Rheem rtgh 84dvln - rheem, rtgh-84dvln-1

$593.99
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18l propane gas hot water - hot,

18l propane gas hot water - hot,

$116.50
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Burnham new yorker gas boiler - burnham,

Burnham new yorker gas boiler - burnham,

$40.00
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Weil mclain cga pidn - cga-4,

Weil mclain cga pidn - cga-4,

$2900.00
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Crown boiler awr070bnt3au1 - crown,

Crown boiler awr070bnt3au1 - crown,

$2839.99
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Rinnai rx199in super efficient - rx199in,

Rinnai rx199in super efficient - rx199in,

$1002.85
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Weil mclain 119304330 - weil-mclain,

Weil mclain 119304330 - weil-mclain,

$4672.41
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Noritz nrc111od 199 900 - 199,900, btu

Noritz nrc111od 199 900 - 199,900, btu

$833.99
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18l 5gpm natural gas - 5gpm,

18l 5gpm natural gas - 5gpm,

$116.50
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Htp elud 399k btu - htp,

Htp elud 399k btu - htp,

$5000.00
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Rinnai 199 000 - rinnai, condensing

Rinnai 199 000 - rinnai, condensing

$2849.00
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New yorker - yorker, hot

New yorker - yorker, hot

$2544.00
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Lpg propane gas hot - propane,

Lpg propane gas hot - propane,

$77.59
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20l lpg propane - 16/18/20l, gas

20l lpg propane - 16/18/20l, gas

$116.50
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Universal pilot assembly - pilot,

Universal pilot assembly - pilot,

$18.04
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Rinnai rxp199in tankless water - rxp199in,

Rinnai rxp199in tankless water - rxp199in,

$1176.10
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Chambers stove double - chambers, boiler

Chambers stove double - chambers, boiler

$650.00
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Propane tankless water - 8l,

Propane tankless water - 8l,

$96.99
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18l natural gas hot - gas,

18l natural gas hot - gas,

$116.50
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Lpg gas tankless water - gas,

Lpg gas tankless water - gas,

$94.99
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199 000 btu - 199,000, tankless

199 000 btu - 199,000, tankless

$679.99
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Universal pilot assembly - universal,

Universal pilot assembly - universal,

$19.03
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Portable lpg propane gas hot - propane,

Portable lpg propane gas hot - propane,

$75.55
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Laars mascot 157 000 - mascot, 157,000

Laars mascot 157 000 - mascot, 157,000

$2773.05
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Rinnai 120 000 btu - btu, condensing

Rinnai 120 000 btu - btu, condensing

$2271.50
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20l 26gpm tankless - 20l,

20l 26gpm tankless - 20l,

$131.50
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Smith gt15 240 ni - smith, gt15-240-ni

Smith gt15 240 ni - smith, gt15-240-ni

$900.00
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20l propane gas tankless - propane,

20l propane gas tankless - propane,

$130.90
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Dunkirk pwxl gas - dunkirk, boiler

Dunkirk pwxl gas - dunkirk, boiler

$2644.00
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Groen gallon gas - groen, steam

Groen gallon gas - groen, steam

$9500.00
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20l tankless propane - tankless,

20l tankless propane - tankless,

$130.90
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Rinnai re180ep high efficiency - high,

Rinnai re180ep high efficiency - high,

$700.00
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Triangle tube instinct - instinct, combi

Triangle tube instinct - instinct, combi

$2849.95
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Rinnai ip090099c combination - rinnai,

Rinnai ip090099c combination - rinnai,

$2868.14
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2gpm tankless lpg - lpg, liquid

2gpm tankless lpg - lpg, liquid

$95.99
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Propane natural gas tankless - propane/natural,

Propane natural gas tankless - propane/natural,

$359.99
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Lpg portable propane - lpg,

Lpg portable propane - lpg,

$75.99
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Slant fin boiler - slant,

Slant fin boiler - slant,

$1500.00
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Water heater cleaning tool - cleaning,

Water heater cleaning tool - cleaning,

$59.99
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Triangle tube ins199s 199 - ins199s, 199,000

Triangle tube ins199s 199 - ins199s, 199,000

$2813.00
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Smith gt15 240 - a., o.

Smith gt15 240 - a., o.

$899.00
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18l 5gpm tankless - tankless, natural

18l 5gpm tankless - tankless, natural

$116.50
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Portable lpg propane gas - lpg,

Portable lpg propane gas - lpg,

$101.09
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Propane tankless water - tankless,

Propane tankless water - tankless,

$98.99
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000 btu 110v - btu, propane/lpg

000 btu 110v - btu, propane/lpg

$184.13
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Millivolt vs820a1013 honeywell - millivolt,

Millivolt vs820a1013 honeywell - millivolt,

$390.00
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Smith gt15 240 ni - a., gt15-240-ni

Smith gt15 240 ni - a., gt15-240-ni

$899.00
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10l 12l 18l propane gas - 12l,

10l 12l 18l propane gas - 12l,

$101.99
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10l propane gas tankless - gas,

10l propane gas tankless - gas,

$103.99
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Mizudo natural gas tankless - gas,

Mizudo natural gas tankless - gas,

$179.99
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Gas boiler room - boiler, heating

Gas boiler room - boiler, heating

$39.00
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Smith compact - o.,

Smith compact - o.,

$525.00
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Rinnai 000 btu - btu, condensing

Rinnai 000 btu - btu, condensing

$1983.06
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Noritz nr83od 180 - nr83od, btu

Noritz nr83od 180 - nr83od, btu

$595.00
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Rinnai 806000019 series - 806000019, e/q-series

Rinnai 806000019 series - 806000019, e/q-series

$31.49
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Cq100a1013 inch - cq100a1013/u, 24-inch

Cq100a1013 inch - cq100a1013/u, 24-inch

$12.91
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Rheem tankless water heater - water,

Rheem tankless water heater - water,

$749.99
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Universal pilot assembly - pilot,

Universal pilot assembly - pilot,

$20.97
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Universal pilot assembly - universal,

Universal pilot assembly - universal,

$18.99
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10l 12l 18l tankless - 18l,

10l 12l 18l tankless - 18l,

$103.79
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Uimoso indoor natural gas - natural,

Uimoso indoor natural gas - natural,

$155.99
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16l 5gpm tankless natural - tankless,

16l 5gpm tankless natural - tankless,

$39.99
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Slant fin vgh - vgh-150-ch, 150,000

Slant fin vgh - vgh-150-ch, 150,000

$1813.00
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Alto shaam ctp7 20g combitherm - alto-shaam,

Alto shaam ctp7 20g combitherm - alto-shaam,

$11195.00
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Discounted and 50 - discounted,

Discounted and 50 - discounted,

$410.00
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📊96 listings · from $12.91 · avg $1069.21

Browse 96 gas boiler listings currently in our index. Prices range from $12.91 to $11195, with an average of $1069.21. 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 →

Try this: natural gas tankless water heater | natural gas boiler | power vent water heater | rainsoft | rheem tankless water heater | tankless water heater | water heater tank | water softener | water cooler dispenser | water softener tank

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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 $12.91, while premium listings can reach $11195 — giving you a wide budget spread to work with. The average price of $1069.21 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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