Boxt Coupons and Promo Codes January 2026
Savings Highlights
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Freethermostat
Verified
Buy a new boiler from Boxt and get a free Hive Thermostat Mini with this code.
£10 off
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Use this code at checkout to get £10 off your order. Head to Boxt now!
£50 off
Verified
Grab your boiler plan, and use this code to get £50 off your order.
£70 off
Verified
Choose your Boiler Plan and save £70 by using this code!