What's in the BOXT?

Adey MC1+ central heating protector
MagnaCleanse system flush


  • Which? Best Buy for the last 9 years voted for by customers and engineers
  • High performance, high efficiency
  • 10 year warranty
  • Reliable and long-lasting
  • Easy-to-use digital controls
  • Frost Protection Included
  • Gas Safe Inspection
  • FREE MagnaCleanse system flush
Free filter

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.

Award winning know-how

Worcester Bosch boilers are award winning – they've claimed a Which? Best Buy rosette 7 years running. And with a warrant to supply boilers for the Queen's Sandringham Estate, they keep the royals warm and cosy through Christmas.