New stainless flues dropping to boilers beneath insulated pipework in a basement plantroom
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Boiler flue header replacement GE4172

The Observatory

London, boiler flue header replacement

Type
Boiler flue
Location
London, London
Status
Complete
System
Stainless flue header

The job

A new header and branch legs in a basement plant room.

A boiler flue header replacement in the basement plant room at The Observatory in London.

We stripped out the old flue, installed a new header and replaced every boiler branch leg.

We also piped the condensate from the flue to the drains, with brackets where needed. The work was done in a morning on 22 June 2026.

100%

complete, 22 June 2026

Half

a day on site

On site.

Site photographs. Tap a photo to see it larger.

The Observatory, London, boiler flue header replacement. New branch legs dropping to the boilers.
The Observatory, London, boiler flue header replacement. A branch leg and the condensate trap below the header.

Scope

What we delivered.

  • Old flue stripped out
  • New flue header
  • All boiler branch legs replaced
  • Condensate piped to drains with brackets

Project details

  • Boiler flue
  • London
  • Supply and install
Similar workBoiler flues

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