All our engineers are unvented specialists Heatrae Sadie Engineers. All are fully licensed and Part G3 qualified.

  • Expert repairs & Servicing
  • Professional Installers
  • Fixed Charges
  • Same Day Service
  • London, Surrey, and Surrounding Areas
Heatrae Sadie Megaflo

We carry out repairs, servicing, and installations of Megaflo systems and Vaillant, Worcester boilers in and around London and Surrey area.

We currently hold the required qualifications and licenses to work on pressurised hot water systems and more.

Every engineer holds the minimum of the following:

  • Wras Water Regulations approved
  • Part G3 Unvented Cylinder
  • Gas Safe Registered
  • Public Liability Insurance
  • City Guilds Trade Qualification (Plumbing & Htg)



Standard service are included in every repair visit. The servicing for the Megaflo is minimal. If you require just a service, please call us to arrange a visit.

Fixed Servicing rate £129 + VAT


Megaflo Repairs

Does not include repairs to hot and cold supplies or any domestic plumbing systems including draining of cylinder where required and replacement of all megaflo components, where faulty.

Fixed rate repair charges £199 + VAT

Descaling – Electrical Units Only
  • Full pump out of cylinder
  • Removal of scale from cylinder.
  • Replacement of heating element where required.
  • Recommissioning of cylinder and controls.

Fixed charge £299 + VAT

Charges are fixed with unlimited time on visit. The charges do not include the cost of any spare parts required.