Condensing oil boiler
Condensing oil boiler for sale on Ireland's largest auction and classifieds sites
Oil boiler 28kw merlin - oil, 19-28kw - £1980.00
Output class 000s • Btu construction heavy • Gauge steel warranty - Free postage - New and Used
Output class 000s • Btu construction heavy • Gauge steel warranty - Free postage - New and Used
Firebird enviro green 26kw - firebird, - £1026.70
Firebird envirogreen 26kw • Condensing combination boiler • Years old was - Free postage - New and Used
Firebird envirogreen 26kw • Condensing combination boiler • Years old was - Free postage - New and Used
Rotex e oil - a1, - £115.00
Rotex oil condensing • Boiler 154820 ass • Honeywell vc4012 valve - Free postage - New and Used
Rotex oil condensing • Boiler 154820 ass • Honeywell vc4012 valve - Free postage - New and Used
Brand new vokera - brand, - £134.99
Will respond you • Within hours our • Best help - Free postage - New and Used
Will respond you • Within hours our • Best help - Free postage - New and Used
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Grant boiler flexi - grant, condensate - £13.70
Grant product code • Vortex pro condensing • Internal 26kw 36kw - Free postage - New and Used
Grant product code • Vortex pro condensing • Internal 26kw 36kw - Free postage - New and Used
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48 listings · from £4.99 · avg £295.94
⚠️ These listings were last updated more than 23 days ago.
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Browse 48 condensing oil boiler listings currently in our index. Prices range from £4.99 to £4250, with an average of £295.94. 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 condensing oil boiler →
Oil boiler 19kw - oil, merlin - £1765.00
Output class 000s • Btu construction heavy • Gauge steel warranty - Free postage - New and Used
Output class 000s • Btu construction heavy • Gauge steel warranty - Free postage - New and Used
Boiler terminal guard - boiler, flue - £19.99
Only appropriate conventional • Non condensing oil • Boiler flues this - Free postage - New and Used
Only appropriate conventional • Non condensing oil • Boiler flues this - Free postage - New and Used
Oil boiler condenser - oil, - £19.36
Condenser oil boiler • Micro - Free postage - New and Used
Condenser oil boiler • Micro - Free postage - New and Used
Firebird envirogreen - firebird, - £3556.99
Firebird envirogreen condensing • Popular boilerhouse oil • Boiler 73kw ideal - Free postage - New and Used
Firebird envirogreen condensing • Popular boilerhouse oil • Boiler 73kw ideal - Free postage - New and Used
Mistral kut4 non condensing - kut4, non-condensing - £63.09
This mistral kut4 • Non condensing utility • Boiler internal control - Free postage - New and Used
This mistral kut4 • Non condensing utility • Boiler internal control - Free postage - New and Used
Grant vortex condensing combi - vortex, - £4250.00
Grant vortex condensing • Combi pro oil • Boiler fully working - Free postage - New and Used
Grant vortex condensing • Combi pro oil • Boiler fully working - Free postage - New and Used
Worcester bosch condensate - bosch, - £7.55
Worcester bosch condensate • Tray collector seal • Compact abrasion resistant - Free postage - New and Used
Worcester bosch condensate • Tray collector seal • Compact abrasion resistant - Free postage - New and Used
Worcester greenstar - greenstar, ri - £9.99
Excellent condition ring • Taken from fullly • Working boiler genuine - Free postage - New and Used
Excellent condition ring • Taken from fullly • Working boiler genuine - Free postage - New and Used
Firesprite domestic fuel - firesprite, - £19.99
100ml treats 500 • Litres this ensures • Effective mixing product - Free postage - New and Used
100ml treats 500 • Litres this ensures • Effective mixing product - Free postage - New and Used
Worcester greenstar condensfit - worcester, - £64.99
Compatible main line • Worcester greenstar boiler • Installations genuine - Free postage - New and Used
Compatible main line • Worcester greenstar boiler • Installations genuine - Free postage - New and Used
Warmflow boiler condensing - boiler, - £21.32
Warmflow part number • 3009 - Free postage - New and Used
Warmflow part number • 3009 - Free postage - New and Used
Pro condensate removable - condensate, pump - £69.99
Pro condensate removal • Pump suitable removing • From condensing gas - Free postage - New and Used
Pro condensate removal • Pump suitable removing • From condensing gas - Free postage - New and Used
Oil boiler capacitor condenser - £10.75
Capacitor condenser from • Myson bentone oil • Boiler part number - Free postage - New and Used
Capacitor condenser from • Myson bentone oil • Boiler part number - Free postage - New and Used
Firesprite domestic fuel - firesprite, - £4.99
Bought but never • Used - Free postage - New and Used
Bought but never • Used - Free postage - New and Used
Worcester plume management kit - plume, - £69.33
- Free postage - New and Used
- Free postage - New and Used
Reillo condenser motor - reillo, - £104.70
Reillo condenser motor • Crucial component residential • Boilers powered oil - Free postage - New and Used
Reillo condenser motor • Crucial component residential • Boilers powered oil - Free postage - New and Used
Ideal logic plus - logic,, plus, - £16.99
Will respond you • Within hours our • Best help - Free postage - New and Used
Will respond you • Within hours our • Best help - Free postage - New and Used
Biasi condensing horizontal - he, - £75.00
Product type standard • Horizontal flue kit • Boiler accessory - Free postage - New and Used
Product type standard • Horizontal flue kit • Boiler accessory - Free postage - New and Used
Firesprite domestic fuel - firesprite, - £6.51
New unused sealed - Free postage - New and Used
New unused sealed - Free postage - New and Used
Worcester greenstar 12ri 15ri - worcester, - £16.50
- Free postage - New and Used
- Free postage - New and Used
Genuine ideal combi - ideal, 24 - £10.80
Genuine ideal combi • Condensate outlet connection • 175586 free post - Free postage - New and Used
Genuine ideal combi • Condensate outlet connection • 175586 free post - Free postage - New and Used
Boss boiler condensate - , pump - £79.99
Rapid boiler spares • Provide new refurbished • Manufacturer virtually model - Free postage - New and Used
Rapid boiler spares • Provide new refurbished • Manufacturer virtually model - Free postage - New and Used
Ideal logic plus pro - logic,, - £19.99
Part 175586 genuine • Not cheap chinese • Ideal - Free postage - New and Used
Part 175586 genuine • Not cheap chinese • Ideal - Free postage - New and Used
Worcester bosch greenstar - worcester, - £21.50
Worcester bosch greenstar • 30si condensing boiler • Part internal flue - Free postage - New and Used
Worcester bosch greenstar • 30si condensing boiler • Part internal flue - Free postage - New and Used
Worcester i junior - ri/si/i/i, - £49.99
Will respond you • Within hours our • Best help - Free postage - New and Used
Will respond you • Within hours our • Best help - Free postage - New and Used
Genuine ideal mini - genuine, 24 - £25.91
Manufacturers part number • 175586 genuine ideal • Condensate outlet connection - Free postage - New and Used
Manufacturers part number • 175586 genuine ideal • Condensate outlet connection - Free postage - New and Used
Ideal logic combi 35 - 24, - £23.99
- Free postage - New and Used
- Free postage - New and Used
Glowworm ultracom 24cxi 30cxi - 24cxi, - £44.75
Boiler glowworm ultracom • Nagi house alperton • Lane wembley ha0 - Free postage - New and Used
Boiler glowworm ultracom • Nagi house alperton • Lane wembley ha0 - Free postage - New and Used
New boxed genuine - -, - £63.10
Specifically storage tank • Water heaters boilers • This kit suitable - Free postage - New and Used
Specifically storage tank • Water heaters boilers • This kit suitable - Free postage - New and Used
Viessmann boiler vitodens 100 - viessmann, - £10.80
Vitodens 100 wb1a • 30kw combi boiler • 24kw system - Free postage - New and Used
Vitodens 100 wb1a • 30kw combi boiler • 24kw system - Free postage - New and Used
Glowworm ultracom 18sxi 30sxi - ultracom, - £44.75
Will fit glowworm • Ultracom 18sxi boiler • Nagi house alperton - Free postage - New and Used
Will fit glowworm • Ultracom 18sxi boiler • Nagi house alperton - Free postage - New and Used
Glowworm 24cxi 30cxi - 30cxi, 38cxi - £44.75
Will fit glowworm • 38cxi boiler products • Not covered misused - Free postage - New and Used
Will fit glowworm • 38cxi boiler products • Not covered misused - Free postage - New and Used
Glowworm ultracom 18 24 - ultracom, - £44.75
Boiler glowworm ultracom • Will fit • 12hxi - Free postage - New and Used
Boiler glowworm ultracom • Will fit • 12hxi - Free postage - New and Used
Baxi combi 130he condensing - combi, - £31.19
Part 240670 was • 242458 baxi combi • 130he condensing boilers - Free postage - New and Used
Part 240670 was • 242458 baxi combi • 130he condensing boilers - Free postage - New and Used
Genuine ideal logic system - ideal, + - £25.91
Ideal logic system • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Ideal logic system • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Baxi combi 100 - baxi, - £31.19
Part 240670 was • 242458 baxi flow • Temperature thermostat red - Free postage - New and Used
Part 240670 was • 242458 baxi flow • Temperature thermostat red - Free postage - New and Used
Grant vortex pro - vortex, external - £11.99
26e combi condensing • Vortex proexternal • Prointernal - Free postage - New and Used
26e combi condensing • Vortex proexternal • Prointernal - Free postage - New and Used
Genuine ideal combi - genuine, 30 - £25.91
Ideal combi • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Ideal combi • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Genuine ideal independant - ideal, c24 - £25.91
Ideal independant • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Ideal independant • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Genuine ideal procombi - genuine, - £25.91
Ideal procombi exclusive • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Ideal procombi exclusive • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Genuine ideal logic system - genuine, - £25.91
Ideal logic system • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Ideal logic system • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Worcester danesmoor oil 18 - danesmoor, - £46.99
Worcester danesmoor • Uti system oil • Roogb con - Free postage - New and Used
Worcester danesmoor • Uti system oil • Roogb con - Free postage - New and Used
Genuine ideal esprit eco - 24, & - £25.91
Ideal esprit eco • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
Ideal esprit eco • Manufacturers part number • Condensate outlet connection - Free postage - New and Used
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Everything you need to know about condensing oil boiler
Whether you are looking for a brand-new or second-hand condensing oil boiler, 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 £4.99, while premium listings can reach £4250 — giving you a wide budget spread to work with. The average price of £295.94 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.