Under sink water heater
Under sink water heater for sale on Ireland's largest auction and classifieds sites
Budget picks — under £40
Stainless steel material • Sturdy durable corrosion • Resistant simple style - Free postage - New and Used
Water heater shower • 3000w plug instant • Digital display 220v - Free postage - New and Used
Note this not • Suitable kitchen but • Bathroom addition shower - Free postage - New and Used
Water heater shower • 3000w plug instant • Digital display 220v - Free postage - New and Used
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Electric tankless instant • Water heater shower • Head kitchen under - Free postage - New and Used
Browse 48 under sink water heater listings currently in our index. Prices range from £17.99 to £134.99, with an average of £54.14. 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 under sink water heater →
Easy install bathroom • Shower allow you • Take warm comfortable - Free postage - New and Used
Instant electric water • Heater i2.7d49itqxitqxoq style • Box sizing border - Free postage - New and Used
Instant electric water • Heater i1.26b1mmzkmmzkcz style • Box sizing border - Free postage - New and Used
Instantaneous water heater • Rated power 5500w • Easy install under - Free postage - New and Used
Instantaneous water heater • Easy install under • Bathroom kitchen sink - Free postage - New and Used
Easy install bathroom • Shower allow you • Take warm comfortable - Free postage - New and Used
Note this not • Suitable kitchen but • Bathroom addition shower - Free postage - New and Used
Instantaneous water heater • Easy install under • Bathroom kitchen sink - Free postage - New and Used
3000w electric water • Heater has box • That leakage protection - Free postage - New and Used
Modern black square • Waterfall cloakroom basin • Mixer tap sink - Free postage - New and Used
Water heater • Has box that • Leakage protection hot - Free postage - New and Used
Mid-range — £44 to £57
Modern black square • Waterfall cloakroom basin • Mixer tap sink - Free postage - New and Used
After installation open • Water inlet valve • Turn faucet hot - Free postage - New and Used
Rated power 1500w • 0.75 mpa one • Way safety relief - Free postage - New and Used
After installation open • Water inlet valve • Turn faucet hot - Free postage - New and Used
0.75 mpa one • Way safety relief • Valve will automatically - Free postage - New and Used
After installation open • Water inlet valve • Turn faucet hot - Free postage - New and Used
Capacity 15l after • Installation open water • Inlet valve turn - Free postage - New and Used
Basin mixer tap • Modern black square • Sink mono bathroom - Free postage - New and Used
Rated capacity 10l • After installation open • Water inlet valve - Free postage - New and Used
10l 15l 1500w • Electric hot water • Heater boiler kitchen - Free postage - New and Used
Rated capacity 10l • Drip pipe inner • Tank material 304 - Free postage - New and Used
12v starter motor • Fit briggs stratton • Westwood ride lawn - Free postage - New and Used
Speed brushless mini • Turbo blower handheld • Violent fan einhell - Free postage - New and Used
Rated power 1500w • Capacity 10l stylish • Space saving hot - Free postage - New and Used
Rated capacity 10l • After installation open • Water inlet valve - Free postage - New and Used
One piece compact • Insulation 6cm temperature • Drop reduces energy - Free postage - New and Used
Premium — over £57
Rated capacity 10l • After installation open • Water inlet valve - Free postage - New and Used
Thermal efficiency rated • Capacity 10l stylish • Space saving hot - Free postage - New and Used
Can installed horizontally • Vertically tilted making • Ideal kitchens bars - Free postage - New and Used
Rated power 1500w • After installation open • Water inlet valve - Free postage - New and Used
Capacity 15l after • Installation open water • Inlet valve turn - Free postage - New and Used
Aura instant water • Heater instantaneous electric • 7kw shower head - Free postage - New and Used
Specifications 10l style • Vertical after installation • Open water inlet - Free postage - New and Used
Dafi instantaneous electric • Water heater compact • Energy saving convenient - Free postage - New and Used
Water heater • 6kw instant electric • Shower kits hot - Free postage - New and Used
After installation open • Water inlet valve • Turn faucet hot - Free postage - New and Used
Undersink water heater • Product type electric • Heaters modern compact - Free postage - New and Used
Auto urinal sanitisers • Care toilet paper • Dispensers automatic tap - Free postage - New and Used
Auto urinal sanitisers • Care toilet paper • Dispensers automatic tap - Free postage - New and Used
Auto urinal sanitisers • Care toilet paper • Dispensers automatic tap - Free postage - New and Used
Hot water • Thermomate elex5.5 instant • Heater delivers efficient - Free postage - New and Used
Unit tiny allows • Fit under sinks • Take less space - Free postage - New and Used
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🔥 Best eBay deals on under sink water heater
See all listings on eBay →These 48 listings for under sink water heater are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Electric Heating Tap Kitchen
Stainless steel material • Sturdy durable corrosion • Resistant simple style
£18
Electric Water Heater Shower
Water heater shower • 3000w plug instant • Digital display 220v
£21
Electric Tankless Instant
Note this not • Suitable kitchen but • Bathroom addition shower
£24
Everything you need to know about under sink water heater
Whether you are looking for a brand-new or second-hand under sink 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 £17.99, while premium listings can reach £134.99 — giving you a wide budget spread to work with. The average price of £54.14 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.