Tankless water heater
Tankless water heater for sale on Ireland's largest auction and classifieds sites
Electric tankless instant - tankless, - £56.89
Water heater • Has box that • Leakage protection hot - Free postage - New and Used
Water heater • Has box that • Leakage protection hot - Free postage - New and Used
18l propane gas tankless - propane, - £79.99
3000w petrol inverter • Generator camping garden • Outtdoor quiet stroke - Free postage - New and Used
3000w petrol inverter • Generator camping garden • Outtdoor quiet stroke - Free postage - New and Used
3kw electric tankless instant - 3kw, - £56.89
Industrial pipe clothing • Rack wall mounted • Clothes rail hanging - Free postage - New and Used
Industrial pipe clothing • Rack wall mounted • Clothes rail hanging - Free postage - New and Used
7000w electric tankless - 7000w, - £89.89
Rated power 7000w • Leakproof electric function • Smart touch three - Free postage - New and Used
Rated power 7000w • Leakproof electric function • Smart touch three - Free postage - New and Used
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18l lpg propane - 8/10/12/16/18l, - £106.80
User friendly water • Heater propane has • Been quick easy - Free postage - New and Used
User friendly water • Heater propane has • Been quick easy - Free postage - New and Used
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48 listings · from £19.89 · avg £77.76
Browse 48 tankless water heater listings currently in our index. Prices range from £19.89 to £209.99, with an average of £77.76. 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 tankless water heater →
Electric tankless instant hot - electric, - £35.99
Instantaneous water heater • 5500w rated power • Capacity 100l tankless - Free postage - New and Used
Instantaneous water heater • 5500w rated power • Capacity 100l tankless - Free postage - New and Used
3000w electric tankless - 3000w, - £56.99
3000w electric water • Heater has box • That leakage protection - Free postage - New and Used
3000w electric water • Heater has box • That leakage protection - Free postage - New and Used
18l propane gas - 8l-18l, tankless - £71.97
3000w petrol inverter • Generator camping garden • Outtdoor quiet stroke - Free postage - New and Used
3000w petrol inverter • Generator camping garden • Outtdoor quiet stroke - Free postage - New and Used
Electric tankless instant hot - tankless, - £30.88
5500w white powerful • Instant water heater • Provides quick hot - Free postage - New and Used
5500w white powerful • Instant water heater • Provides quick hot - Free postage - New and Used
Electric water heater - water, - £38.21
3500w high power • Hot water output • Rate strengthen stainless - Free postage - New and Used
3500w high power • Hot water output • Rate strengthen stainless - Free postage - New and Used
Electric tankless instant hot - instant, - £30.46
Power source will • Try our level • Best entertain you - Free postage - New and Used
Power source will • Try our level • Best entertain you - Free postage - New and Used
Electric tankless instant hot - electric, - £56.99
Modern black square • Waterfall cloakroom basin • Mixer tap sink - Free postage - New and Used
Modern black square • Waterfall cloakroom basin • Mixer tap sink - Free postage - New and Used
Tankless hot water heater - hot, - £77.95
Perfect kitchens bars • Schools hospitals communities • Hair salons water - Free postage - New and Used
Perfect kitchens bars • Schools hospitals communities • Hair salons water - Free postage - New and Used
18l propane gas - gas, tankless - £72.37
3000w petrol inverter • Generator camping garden • Outtdoor quiet stroke - Free postage - New and Used
3000w petrol inverter • Generator camping garden • Outtdoor quiet stroke - Free postage - New and Used
18l propane gas tankless - propane, - £77.99
Gas type lpg • Pressure 2800 ideal • Off grid living - Free postage - New and Used
Gas type lpg • Pressure 2800 ideal • Off grid living - Free postage - New and Used
Tankless electric instant hot - tankless, - £67.95
Water heater • 6kw instant electric • Shower kits hot - Free postage - New and Used
Water heater • 6kw instant electric • Shower kits hot - Free postage - New and Used
5500w electric instant hot - electric, - £52.42
Package included mini • Electric water heater • Remote control positioning - Free postage - New and Used
Package included mini • Electric water heater • Remote control positioning - Free postage - New and Used
Thermomate instant hot - thermomate, - £179.99
Water heater • Thermomate az132 series • Original best selling - Free postage - New and Used
Water heater • Thermomate az132 series • Original best selling - Free postage - New and Used
Electric tankless instant 3kw - tankless, - £56.99
Modern black square • Waterfall cloakroom basin • Mixer tap sink - Free postage - New and Used
Modern black square • Waterfall cloakroom basin • Mixer tap sink - Free postage - New and Used
Instant water heater 3000w - instant, - £19.89
Water heater • 3000w tankless hot • Lcd display line - Free postage - New and Used
Water heater • 3000w tankless hot • Lcd display line - Free postage - New and Used
10l 12l 16l 18l instant - instant, gas - £89.99
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Electric instant hot - electric, water - £30.43
Low water pressure • Description kitchen let • Pamper your hands - Free postage - New and Used
Low water pressure • Description kitchen let • Pamper your hands - Free postage - New and Used
Instant hot water bathroom tap - instant, - £34.77
Briwellna electric instant • Hot water tap • 220v tankless faucet - Free postage - New and Used
Briwellna electric instant • Hot water tap • 220v tankless faucet - Free postage - New and Used
New 18l instant - instant, gas - £86.99
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
130000btu 16l tankless gas hot - tankless, - £185.99
12kw lpg hot • Water heater propane • Gas tankless instant - Free postage - New and Used
12kw lpg hot • Water heater propane • Gas tankless instant - Free postage - New and Used
Electric water heater shower - electric, - £19.99
Water heater shower • 3000w plug instant • Digital display 220v - Free postage - New and Used
Water heater shower • 3000w plug instant • Digital display 220v - Free postage - New and Used
Electric tankless instant 3kw - tankless, - £35.99
Type instantaneous tankless • Water heater capacity • Demand vacuum thermos - Free postage - New and Used
Type instantaneous tankless • Water heater capacity • Demand vacuum thermos - Free postage - New and Used
Electric tankless instant - instant, hot - £30.99
Easy install bathroom • Shower allow you • Take warm comfortable - Free postage - New and Used
Easy install bathroom • Shower allow you • Take warm comfortable - Free postage - New and Used
Tankless water heater electric - heater, - £79.97
Instant electric water • Comfort tankless hot • Heater versatile use - Free postage - New and Used
Instant electric water • Comfort tankless hot • Heater versatile use - Free postage - New and Used
Briwellna electric instant - briwellna, - £74.90
- Free postage - New and Used
- Free postage - New and Used
24kw 12l portable instant hot - portable, - £138.59
Heat input 24kw • 000 btu model • 12l constant temperature - Free postage - New and Used
Heat input 24kw • 000 btu model • 12l constant temperature - Free postage - New and Used
16l lpg tankless - tankless, hot - £185.99
Model 16l constant • Temperature black heater • Blower fan resistor - Free postage - New and Used
Model 16l constant • Temperature black heater • Blower fan resistor - Free postage - New and Used
20l tankless propane gas - 20l, - £95.99
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Electric tankless instant 3kw - electric, - £35.99
Type instantaneous tankless • Water heater capacity • Demand 2pcs compatible - Free postage - New and Used
Type instantaneous tankless • Water heater capacity • Demand 2pcs compatible - Free postage - New and Used
18l instant gas hot - 8/10/12/16/18l, - £95.99
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
12l 24kw instant hot tankless - 12l, - £152.99
Heat input 24kw • 000 btu lpg • Hot water heater - Free postage - New and Used
Heat input 24kw • 000 btu lpg • Hot water heater - Free postage - New and Used
Electric tankless instant - tankless, hot - £64.25
Power 5500w kitchen • Let pamper your • Hands from pile - Free postage - New and Used
Power 5500w kitchen • Let pamper your • Hands from pile - Free postage - New and Used
3000w tankless electric - 3000w, - £32.39
Tankless instantaneous heating • Save energy safe • Efficient heater auto - Free postage - New and Used
Tankless instantaneous heating • Save energy safe • Efficient heater auto - Free postage - New and Used
Gasland tankless water heater - tankless, - £209.99
This gasland bg264 • Tankless gas water • Heater adopts oxygen - Free postage - New and Used
This gasland bg264 • Tankless gas water • Heater adopts oxygen - Free postage - New and Used
4500w 6000w electric - 4500w-6000w, - £75.95
Perfect kitchens bars • Schools hospitals communities • Hair salons water - Free postage - New and Used
Perfect kitchens bars • Schools hospitals communities • Hair salons water - Free postage - New and Used
Lpg instantaneous water heater - instantaneous, - £103.99
Gas water heater • Only suitable one • Heaters use lpg - Free postage - New and Used
Gas water heater • Only suitable one • Heaters use lpg - Free postage - New and Used
Electric tankless instant - instant, hot - £51.99
Tankless instant water • Heater 5500w 220v • Its compact design - Free postage - New and Used
Tankless instant water • Heater 5500w 220v • Its compact design - Free postage - New and Used
Electric instant hot - electric, - £21.98
Low water pressure • Description kitchen let • Pamper your hands - Free postage - New and Used
Low water pressure • Description kitchen let • Pamper your hands - Free postage - New and Used
18l propane lpg - 8/10/12/16/18l, gas - £109.99
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
Top quality this • Tankless water heater • Lpg liquefied propane - Free postage - New and Used
5500w electric instant hot - electric, - £52.42
Package included mini • Electric water heater • Remote control positioning - Free postage - New and Used
Package included mini • Electric water heater • Remote control positioning - Free postage - New and Used
Electric instant hot - electric, 5500w - £52.41
Package included mini • Electric water heater • Remote control positioning - Free postage - New and Used
Package included mini • Electric water heater • Remote control positioning - Free postage - New and Used
16l 32kw portable instant - instant, hot - £185.99
130000 btu 32kw • Maximum heat output • 4.3gpm water flow - Free postage - New and Used
130000 btu 32kw • Maximum heat output • 4.3gpm water flow - Free postage - New and Used
18l propane gas - 8l-18l, - £77.99
Stool set makeup • Desk vanity table • Gas type lpg - Free postage - New and Used
Stool set makeup • Desk vanity table • Gas type lpg - Free postage - New and Used
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Everything you need to know about tankless water heater
Whether you are looking for a brand-new or second-hand tankless water heater, eBay offers one of the largest selections available online. With 48 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 £19.89, while premium listings can reach £209.99 — giving you a wide budget spread to work with. The average price of £77.76 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.