United Kingdom
Get £125 off by Using Our Voucher at Boxt
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Get £125 off by using our voucher at Boxt, rGo to boxt.co.uk and paste the discount code during checkout.
cpjmfst874show coupon code
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Verified 3rd Mar
Verified 3rd Mar
Current Promo Offers (March 2026)
Free with Your BOXT
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Free with your BOXT Honeywell Wireless Smart Thermostat RRP £199.99 Get the latest in central heating technology free with all wall-mounted combi boilers from BOXT - its available as an optional upgrade for other boiler types. Control your central heating from your phone. Adjust room temperatures, set timers or switch the heating on or off, whether you’re in the house or not. It’s easy to do it all from the intuitive touchscreen on the thermostat, too.
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Verified 29th Jan
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Views: 17x
FREE Filter in Every BOXT
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We protect your boiler for free too We put a FREE filter in every BOXT, worth up to £130 RRP. It filters nasties from the system water to protect the boiler and keeps it in top condition for longer.
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Verified 29th Jan
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Views: 16x
£50 off site-wide Coupon (to 28th Jan)
Save £60 off Boiler orders on BOXT when using this voucherco Coupon (to 28th Jan)
Up to £200 off a new boiler (to 31st Jan)
Honeywell Wireless Smart Thermostat for £199.99 (to 1st Jan)
Buy One Solar Panel. Get One Free (to 22nd Sep)
Up to 10 Years Warranty on Boxt Boiler (to 9th Apr)
NHS & Emergency Services save £60 on orders (to 7th Feb)
Order air conditioning today & get it fixed by tomorrow (to 5th Jul)
Free Filter with Every Order (to 29th Mar)
Free £60 Amazon Gift Card When You Buy a Fitted Boiler (to 29th Mar)
Thermostatic Radiator Valves for £35 (to 17th Mar)
Boxt Package for £9.95 (to 17th Mar)
Zero Salespeople (to 17th Feb)
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