3kw water heater
3kw water heater for sale on Ireland's largest auction and classifieds sites
Electric tankless instant 3kw - instant, - £50.89
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
Ariston andris lux - andris, - £193.15
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Zip inline es3 electronic - inline, - £199.99
Selecting most suitable • Sort water heater • Key decision zip - Free postage - New and Used
Selecting most suitable • Sort water heater • Key decision zip - Free postage - New and Used
Hyco powerflow smart 100l - hyco, - £400.00
Sale powerflow smart • 100l multipoint unvented • Water heater 3kw - Free postage - New and Used
Sale powerflow smart • 100l multipoint unvented • Water heater 3kw - Free postage - New and Used
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Electric tankless instant - ~electric, - £50.99
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
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48 listings · from £2.46 · avg £178
Browse 48 3kw water heater listings currently in our index. Prices range from £2.46 to £700.3, with an average of £178. 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 3kw water heater →
New ariston andris lux 15l - ariston, - £139.99
Water heater manufactured • Installed - Free postage - New and Used
Water heater manufactured • Installed - Free postage - New and Used
Zip aquapoint ap3 - aquapoint, 2000w - £179.99
Zip aquapoint iii • Ap3 expansion relief • Valve supplied set - Free postage - New and Used
Zip aquapoint iii • Ap3 expansion relief • Valve supplied set - Free postage - New and Used
Aquarius au7 undersink water - undersink, - £126.00
Box slightly worn - Free postage - New and Used
Box slightly worn - Free postage - New and Used
New ariston andris 10l - andris, - £107.19
Water heater manufactured • Installed - Free postage - New and Used
Water heater manufactured • Installed - Free postage - New and Used
Hyco instant electric - 3, - £64.99
Water heater • Hw30m 240 hyco • Heaters are low - Free postage - New and Used
Water heater • Hw30m 240 hyco • Heaters are low - Free postage - New and Used
Hyco powerflow smart 30l - hyco, - £349.99
Suitable hand washing • Where number hot • Water outlets are - Free postage - New and Used
Suitable hand washing • Where number hot • Water outlets are - Free postage - New and Used
3kw electric tankless instant - tankless, - £50.99
Electric heat pad • Back neck shoulder • Belly heating relief - Free postage - New and Used
Electric heat pad • Back neck shoulder • Belly heating relief - Free postage - New and Used
Heatrae sadia streamline - heatrae, - £104.70
Heatrae sadia streamline • Oversink water heater • 3kw found dads - Free postage - New and Used
Heatrae sadia streamline • Oversink water heater • 3kw found dads - Free postage - New and Used
Ariston andris lux 10l - ariston, - £239.64
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Zip aquapoint ap3 - aquapoint, 3 - £239.99
Water pressure minimum • Connection bsp multipoint • Design ideal single - Free postage - New and Used
Water pressure minimum • Connection bsp multipoint • Design ideal single - Free postage - New and Used
Ariston andris lux 15l - ariston, - £255.72
Andris lux electric • Water heater • Kit 3100309 ariston - Free postage - New and Used
Andris lux electric • Water heater • Kit 3100309 ariston - Free postage - New and Used
230v instant water - 7.3, - £89.99
Dafi instantaneous electric • Water heater compact • Energy saving convenient - Free postage - New and Used
Dafi instantaneous electric • Water heater compact • Energy saving convenient - Free postage - New and Used
Redring hand wash - hand, water - £69.99
Redring rmhw3 over • Sink hand wash • Data sheet water - Free postage - New and Used
Redring rmhw3 over • Sink hand wash • Data sheet water - Free postage - New and Used
Heatrae sadia multipoint - heatrae, eco - £700.30
Heatrae sadia multipoint • Eco 50l 3kw • Heater 7693981 this - Free postage - New and Used
Heatrae sadia multipoint • Eco 50l 3kw • Heater 7693981 this - Free postage - New and Used
Heatrae sadia 95010282 - sadia, - £249.99
Heatrae sadia 95010282 • White streamline under • Sink water heater - Free postage - New and Used
Heatrae sadia 95010282 • White streamline under • Sink water heater - Free postage - New and Used
New ariston andris lux 30l - new, - £329.59
Available litre versions • Both oversink undersink • Water heater manufactured - Free postage - New and Used
Available litre versions • Both oversink undersink • Water heater manufactured - Free postage - New and Used
Triton spt303i 3kw handwash - spt303i, - £62.99
New 100mm swivel • Arm accessory option • Any basin 200mm - Free postage - New and Used
New 100mm swivel • Arm accessory option • Any basin 200mm - Free postage - New and Used
Redring rmhw3 instantaneous - redring, - £69.99
Output 3kw water • Inlet 15mm sound • 15db once use - Free postage - New and Used
Output 3kw water • Inlet 15mm sound • 15db once use - Free postage - New and Used
Triton t30i 3kw - 3kw, over - £106.19
Perfect fitting into • Hot water • Triton t30i handwash - Free postage - New and Used
Perfect fitting into • Hot water • Triton t30i handwash - Free postage - New and Used
Triton t30ir 3kw infra red - 3kw, - £88.99
All great features • Manual instaflow t30i • Handwash t30ir provides - Free postage - New and Used
All great features • Manual instaflow t30i • Handwash t30ir provides - Free postage - New and Used
3kw hot water heater instant - 3kw, - £50.89
Water heater • 360 fast instant • Hot tap kitchen - Free postage - New and Used
Water heater • 360 fast instant • Hot tap kitchen - Free postage - New and Used
Triton t30i infrared - infrared, 240v - £106.19
Hot water • All great features • Manual instaflow t30i - Free postage - New and Used
Hot water • All great features • Manual instaflow t30i - Free postage - New and Used
Triton t30i over - over, electric - £69.99
Due its footprint • Can fit into • Tight spaces above - Free postage - New and Used
Due its footprint • Can fit into • Tight spaces above - Free postage - New and Used
Heatrae sadia fbm water - fbm, - £291.26
Heatrae sadia fbm • Water heaters complete • Drain off valve - Free postage - New and Used
Heatrae sadia fbm • Water heaters complete • Drain off valve - Free postage - New and Used
Heatrae sadia multipoint eco - sadia, - £515.68
Heatraeq sadia multipoint • Eco litre 3kw • Unvented water heater - Free postage - New and Used
Heatraeq sadia multipoint • Eco litre 3kw • Unvented water heater - Free postage - New and Used
Heatrae sadia 7037052 - sadia, - £700.00
Heatrae sadia 7037052 • Multipoint litre water • Heater has stainless - Free postage - New and Used
Heatrae sadia 7037052 • Multipoint litre water • Heater has stainless - Free postage - New and Used
Ariston andris lux 10l - andris, - £224.30
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Tesla copper 3kw hot - 11”, - £15.24
Available length direct • Deposit pick option - Free postage - New and Used
Available length direct • Deposit pick option - Free postage - New and Used
Cotherm 3 4 3kw - -, 1" - £32.93
Pick option length • Sheath material incoloy • 800 - Free postage - New and Used
Pick option length • Sheath material incoloy • 800 - Free postage - New and Used
Ariston andris lux undersink - lux, - £79.99
- Free postage - New and Used
- Free postage - New and Used
Tesla copper 3kw - copper, - £2.46
Available length direct • Deposit pick option - Free postage - New and Used
Available length direct • Deposit pick option - Free postage - New and Used
Redring hand wash water - redring, - £54.99
Water heater • Redring hand wash • Over sink rmhw3 - Free postage - New and Used
Water heater • Redring hand wash • Over sink rmhw3 - Free postage - New and Used
Alde 3010 water heater - alde, - £243.96
Circuit board ignition • Transformer - Free postage - New and Used
Circuit board ignition • Transformer - Free postage - New and Used
Thermco 4 3kw immersion - 1, - £32.93
Pick option length - Free postage - New and Used
Pick option length - Free postage - New and Used
Cotherm energy saving - p.i.l, - £113.74
How install your • Cotherm water heating • Life made simple - Free postage - New and Used
How install your • Cotherm water heating • Life made simple - Free postage - New and Used
010 161 heatrae sadia - 95, - £182.70
Water heater • Heatrae sadia express • Power source 3kw - Free postage - New and Used
Water heater • Heatrae sadia express • Power source 3kw - Free postage - New and Used
Hyco powerflow smart - powerflow, - £499.99
Suitable hand washing • Where number hot • Water outlets are - Free postage - New and Used
Suitable hand washing • Where number hot • Water outlets are - Free postage - New and Used
Triton t30i instaflow 3kw - instaflow, - £69.75
Triton t30i 3kw • Electric handwash case • You have any - Free postage - New and Used
Triton t30i 3kw • Electric handwash case • You have any - Free postage - New and Used
3kw mini electric - 3kw, - £53.19
Instant hot water • Heater 3kw heating • System tankless electric - Free postage - New and Used
Instant hot water • Heater 3kw heating • System tankless electric - Free postage - New and Used
Flomasta oversink electric - oversink, - £209.99
Ideal households litre • Capacity wall mounted • Installation features adjustable - Free postage - New and Used
Ideal households litre • Capacity wall mounted • Installation features adjustable - Free postage - New and Used
Triton t30i 3kw - triton, over - £81.41
Triton t30i handwash • Unit ideal utility • Room your home - Free postage - New and Used
Triton t30i handwash • Unit ideal utility • Room your home - Free postage - New and Used
Andris lux 15l oversink - lux, - £156.70
Electric water heater • Andris lux 15l • Oversink 3kw unvented - Free postage - New and Used
Electric water heater • Andris lux 15l • Oversink 3kw unvented - Free postage - New and Used
Ariston andris lux 10l - andris, - £233.32
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
Andris lux electric • Water heater • Kit 3100303 ariston - Free postage - New and Used
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Everything you need to know about 3kw water heater
Whether you are looking for a brand-new or second-hand 3kw 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 £2.46, while premium listings can reach £700.3 — giving you a wide budget spread to work with. The average price of £178 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.