BOILER REPLACEMENT

Boiler Quotation Checklist

The cheapest boiler price may exclude the work needed for a reliable system. Compare the complete scope, not just the appliance badge and warranty headline.

Reviewed 10 August 2026 · Independent household decision support

Knowledge Centre

Equipment

  • Exact boiler make, model and output
  • Combi, system or regular-boiler arrangement
  • Flue route and plume-management parts
  • Controls, thermostat and weather compensation
  • Cylinder or condensate work where relevant

Installation scope

  • System cleaning and water treatment
  • Magnetic filter and inhibitor
  • Gas-pipe or electrical upgrades
  • Making good and waste removal
  • Commissioning and registration paperwork

Warranty conditions

  • Product-registration deadline
  • Servicing requirements
  • Parts, labour and call-out coverage
  • Installer workmanship period
  • Exclusions for system water quality or controls

Before accepting

Ask for an itemised total, payment stages, start and completion expectations, cancellation information and the route for correcting defects.

Use this guide

Keep important answers in writing and make sure they appear in the final contract.

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QuoteGuardian content is general information—not financial, legal or engineering advice.

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