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Home / Water Heating & Filtration / Water working heaters refurbished & used for sale | For Sale USA
Used truma aquago - used,

Used truma aquago - used,

$298.00
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Westinghouse 18kw tankless - 18kw,

Westinghouse 18kw tankless - 18kw,

$379.99
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Portable propane water - propane, heater

Portable propane water - propane, heater

$199.96
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Buchi 491 heated oil water - b-491, /

Buchi 491 heated oil water - b-491, /

$394.07
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Hike crew portable water - hike,

Hike crew portable water - hike,

$99.99
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Instant portable electric - instant,

Instant portable electric - instant,

$11.95
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Gallon electric water - electric, heater

Gallon electric water - electric, heater

$199.00
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Camplux electric mini tank - mini,

Camplux electric mini tank - mini,

$50.00
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30s arvin hot - 30s, water

30s arvin hot - 30s, water

$200.00
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Camplux electric mini tank - camplux,

Camplux electric mini tank - camplux,

$169.00
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18kw gpm tankless water - 4.2,

18kw gpm tankless water - 4.2,

$249.99
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Running out hot - running, water

Running out hot - running, water

$30.95
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Vintage immersion water - immersion,

Vintage immersion water - immersion,

$34.60
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Gallon electric water - 2.5,

Gallon electric water - 2.5,

$169.99
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Rheem as39841 hot - as39841, heater

Rheem as39841 hot - as39841, heater

$56.95
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30012712b genuine oem navien - 30012712b,

30012712b genuine oem navien - 30012712b,

$350.00
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Coleman 2300 700 hot - coleman, on

Coleman 2300 700 hot - coleman, on

$284.88
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Westinghouse 24kw tankless - 24kw,

Westinghouse 24kw tankless - 24kw,

$499.99
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Instant portable electric - portable,

Instant portable electric - portable,

$21.00
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Tankless supreme lpg - tankless,

Tankless supreme lpg - tankless,

$549.00
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Tankless supreme ng - tankless,

Tankless supreme ng - tankless,

$549.00
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Camplux gallon electric - 6,

Camplux gallon electric - 6,

$229.99
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Rentacoop zero chill heated - rentacoop,

Rentacoop zero chill heated - rentacoop,

$26.69
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Gallon electric water heater - 6,

Gallon electric water heater - 6,

$166.66
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Navien tankless water heaters - water,

Navien tankless water heaters - water,

$25.00
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Techne tempette 7 - techne, te-7

Techne tempette 7 - techne, te-7

$29.95
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Smith state burner - state,

Smith state burner - state,

$56.95
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Working ecosmart tankless - working,

Working ecosmart tankless - working,

$90.00
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Ixtech smart portable - ixtech, water

Ixtech smart portable - ixtech, water

$26.00
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Immersion water heater 1800w - heater,

Immersion water heater 1800w - heater,

$101.99
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Immersion water heater 1800w - water,

Immersion water heater 1800w - water,

$100.99
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Portable camping shower with - portable,

Portable camping shower with - portable,

$72.99
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Gallon electric water - 4,

Gallon electric water - 4,

$139.00
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Gallon electric water heater - gallon,

Gallon electric water heater - gallon,

$199.99
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Threlaco 12v solar hot - dc,

Threlaco 12v solar hot - dc,

$41.58
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Vintage 1949 way 03735 - vintage,

Vintage 1949 way 03735 - vintage,

$55.10
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Tankless water heater flush - tankless,

Tankless water heater flush - tankless,

$24.08
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8tc electric portable 200w - electric,

8tc electric portable 200w - electric,

$15.99
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11kw tankless water - 11kw, heater

11kw tankless water - 11kw, heater

$259.99
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Westinghouse 24kw tankless - 24kw,

Westinghouse 24kw tankless - 24kw,

$499.99
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Vintage fast way - fast,

Vintage fast way - fast,

$25.99
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Reliance electric replacement - electric,

Reliance electric replacement - electric,

$14.85
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Treeligo 40900btu portable - 40900btu,

Treeligo 40900btu portable - 40900btu,

$199.28
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40900btu portable shower - 40900btu,

40900btu portable shower - 40900btu,

$199.95
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Stiebel eltron mini - eltron, 2

Stiebel eltron mini - eltron, 2

$163.99
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Gallons electric mini tank - 2.5,

Gallons electric mini tank - 2.5,

$199.99
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Instant portable electric - portable,

Instant portable electric - portable,

$12.95
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Camco water heater element - water,

Camco water heater element - water,

$14.00
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Cary loco works 150 - works, feed

Cary loco works 150 - works, feed

$5.99
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Electric water heater - electric,

Electric water heater - electric,

$68.98
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Zojirushi lfc30wa l water - cd-lfc30wa, 3

Zojirushi lfc30wa l water - cd-lfc30wa, 3

$94.99
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27kw tankless water heater - tankless,

27kw tankless water heater - tankless,

$389.99
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Eberspacher water pump - eberspacher,

Eberspacher water pump - eberspacher,

$253.99
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Cooligo portable propane - propane, water

Cooligo portable propane - propane, water

$199.91
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Electric water heater tune - heater, tune-up

Electric water heater tune - heater, tune-up

$55.99
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Energysmart wifi smart - energysmart,

Energysmart wifi smart - energysmart,

$20.00
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27kw electric tankless - tankless, water

27kw electric tankless - tankless, water

$599.99
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Lightweight 5kw point use - lightweight, 6.5kw

Lightweight 5kw point use - lightweight, 6.5kw

$103.99
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Electric tankless water heater - tankless,

Electric tankless water heater - tankless,

$239.99
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Fluentpower tankless water - fluentpower,

Fluentpower tankless water - fluentpower,

$84.99
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Water heater cover sound - , cover:

Water heater cover sound - , cover:

$32.18
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Water heater element 92249 - rv,

Water heater element 92249 - rv,

$30.87
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Complete universal water - complete,

Complete universal water - complete,

$12.80
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Fisher versa bath water - versa,

Fisher versa bath water - versa,

$50.00
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Wall mounted radiator with - radiator,

Wall mounted radiator with - radiator,

$211.86
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27kw electric tankless water - 27kw,

27kw electric tankless water - 27kw,

$363.99
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Vintage sears counter - sears, craft

Vintage sears counter - sears, craft

$22.00
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27kw electric tankless - 27kw, water

27kw electric tankless - 27kw, water

$579.99
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27kw tankless water heater - 27kw,

27kw tankless water heater - 27kw,

$579.99
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Bosch water heater - bosch,

Bosch water heater - bosch,

$80.00
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750mv thermopile generator - thermopile,

750mv thermopile generator - thermopile,

$23.33
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Rv water heater - ???,

Rv water heater - ???,

$29.74
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Belden vintage 1949 - belden,

Belden vintage 1949 - belden,

$45.00
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Smith 319288 000 hot - a.o.,

Smith 319288 000 hot - a.o.,

$57.95
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Lark sci digital laboratory - sci,

Lark sci digital laboratory - sci,

$69.98
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Bololo portable milk warmer - portable,

Bololo portable milk warmer - portable,

$24.99
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Insinkerator non working - insinkerator, non-working

Insinkerator non working - insinkerator, non-working

$99.77
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Tiger pda b380 - 3.8l, floral

Tiger pda b380 - 3.8l, floral

$69.95
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Camplux me25 5 gallon - camplux,

Camplux me25 5 gallon - camplux,

$135.99
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000w tankless water - water, heater

000w tankless water - water, heater

$379.99
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Webasto 1553 24v - webasto, 1553/24v

Webasto 1553 24v - webasto, 1553/24v

$99.05
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Webasto water pump u4846 - water,

Webasto water pump u4846 - water,

$398.99
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Replacement 9kw electric water - replacement,

Replacement 9kw electric water - replacement,

$81.99
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40900btu portable shower - 40900btu,

40900btu portable shower - 40900btu,

$199.99
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Rv water heater - ???,

Rv water heater - ???,

$27.88
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Rv water heater - ???????,

Rv water heater - ???????,

$26.72
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1200w immersion water heater - 1200w,

1200w immersion water heater - 1200w,

$33.32
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Tall electric hot water - 6",

Tall electric hot water - 6",

$14.40
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Mascot hot water interior - mascot,

Mascot hot water interior - mascot,

$23.99
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Sealed mill rose blue monster - blue,

Sealed mill rose blue monster - blue,

$13.99
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Rv water heater - ???,

Rv water heater - ???,

$29.29
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40900btu outdoor portable - 40900btu,

40900btu outdoor portable - 40900btu,

$199.91
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Vtg electric ceramic - vtg~electric,

Vtg electric ceramic - vtg~electric,

$21.25
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Rv water heater - rv,

Rv water heater - rv,

$27.52
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Instant hot water - instant,

Instant hot water - instant,

$196.50
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6699 tankless water - water, heater

6699 tankless water - water, heater

$158.99
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📊96 listings · from $5.99 · avg $149.64
⚠️ These listings were last updated more than 15 days ago. Search for fresh listings

Browse 96 water working heaters listings currently in our index. Prices range from $5.99 to $599.99, with an average of $149.64. 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 water working heaters →

Try this: bottle gallon water 5 refill | water heater camplux portable | 40 gallon heater water | aqua power tankless water heaters | morton salt | boiler water heater | demand heater water rv | gas camping water heater

Shop by budget

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

Everything you need to know about water working heaters

Whether you are looking for a brand-new or second-hand water working 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 $5.99, while premium listings can reach $599.99 — giving you a wide budget spread to work with. The average price of $149.64 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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