Radiator caps
Radiator caps for sale on Ireland's largest auction and classifieds sites
Budget picks — under £5
Product brass blanking • Cap washer use • Blank washing machine - Free postage - New and Used
Thermostatic radiator valve • Decorators cap single • Fits drayton trv4 - Free postage - New and Used
Your pipework coming • Type valve you • Will require depends - Free postage - New and Used
Radiator valves black • Designer radiators electric • Towel rails vertical - Free postage - New and Used
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These covers help • Protect your radiator • Valves which can - Free postage - New and Used
Browse 48 radiator caps listings currently in our index. Prices range from £2.95 to £54.99, with an average of £8.56. 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 radiator caps →
These covers help • Safeguard your radiator • Valves which can - Free postage - New and Used
- Free postage - New and Used
Product brass blanking • Cap washer use • Blank washing machine - Free postage - New and Used
Premium petg quality • Made from durable • High temperature resistant - Free postage - New and Used
Products will not • Serviced per maintenance • Instructions includes rubber - Free postage - New and Used
Select colours black • Grey - Free postage - New and Used
20mm radiator valve • Covers caps replacement • Available black white - Free postage - New and Used
20mm radiator valve • Caps covers lockshield • Multi packs 100 - Free postage - New and Used
Radiator valve cap • Upgrade your radiators • Appearance while safeguarding - Free postage - New and Used
- Free postage - New and Used
Would always sort • Before this point • These valves have - Free postage - New and Used
Mid-range — £5 to £6
You want these • Checkout put sparkle • Would always sort - Free postage - New and Used
This ensures good • Secure fit most • Radiators would always - Free postage - New and Used
Radiator valve caps • Covers cover petg • Plastic free postage - Free postage - New and Used
Totally unique these • Valves have been • Carefully printed using - Free postage - New and Used
Anthracite grey radiator • Valve caps covers • Cover petg plastic - Free postage - New and Used
Would always sort • Before this point • These valves have - Free postage - New and Used
Would always sort • Before this point • These valves have - Free postage - New and Used
Would always sort • Before this point • These valves have - Free postage - New and Used
This ensures good • Secure fit most • Radiators these valves - Free postage - New and Used
These valves have • Been carefully printed • Using high quality - Free postage - New and Used
These are unique • All star design • Would always sort - Free postage - New and Used
These are unique • All star design • Would always sort - Free postage - New and Used
This listing some • Replica centre brand • Radiator valve caps - Free postage - New and Used
This listing some • Replica centre brand • Radiator valve caps - Free postage - New and Used
Includes rubber insert • Washer hold place • Over valve tap - Free postage - New and Used
Universal radiator cap • Easy fit suitable • Eliminates risks having - Free postage - New and Used
Premium — over £6
20mm radiator valve • Covers caps replacement • Black white universal - Free postage - New and Used
You will receive • Pair white handles • Only main - Free postage - New and Used
Swivel m30 1.5 • Easy install universal • Fit most radiator - Free postage - New and Used
These covers help • Safeguard your radiator • Valves which can - Free postage - New and Used
Universal fit - Free postage - New and Used
Universal fit compatible • Most standard radiator • Compatibility versatile use - Free postage - New and Used
Includes rubber insert • Washer hold place • Over valve tap - Free postage - New and Used
Universal fit compatible • Most standard radiator • Compatibility versatile use - Free postage - New and Used
Easy install radiator • Fit cap special • Simply remove washer - Free postage - New and Used
- Free postage - New and Used
Add touch elegance • Your radiator valves • These printed cap - Free postage - New and Used
- Free postage - New and Used
Thermostatic radiator valve • Trv decorators screw • Cap white m30x1.5 - Free postage - New and Used
- Free postage - New and Used
Semi rigid material • Petg holds fine • Details well but - Free postage - New and Used
Available various quantities • Including 100 cap • Printed from durable - Free postage - New and Used
Try this: quick hitch cart | ktm kickstart | toy banger racing car | swift mondial | caterham cars | bmw tuning | enots fuel cap | chrome 6 speed gear knob | kenwood 520 | d16 engine civic
🔥 Best eBay deals on radiator caps
See all listings on eBay →These 48 listings for radiator caps are the lowest-priced items currently in our index. Prices are sorted ascending so you can quickly gauge the market before going further.
Female Brass Blanking Cap 3/4"
Product brass blanking • Cap washer use • Blank washing machine
£3
Thermostatic Radiator Valve
Thermostatic radiator valve • Decorators cap single • Fits drayton trv4
£3
Chrome Cover Cap for Towel
Your pipework coming • Type valve you • Will require depends
£3
Everything you need to know about radiator caps
Whether you are looking for a brand-new or second-hand radiator caps, 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 £2.95, while premium listings can reach £54.99 — giving you a wide budget spread to work with. The average price of £8.56 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.