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Andrews Flue Damper 10 Z146

Andrews

Andrews Flue Damper 10 Z146

The Andrews Z146 is a 10-inch automatic flue damper for HI FLO 54/418 and 54/440 water heaters.

At a glance

  • Also known as 1823892
Manufacturer part no.
Z146
Showing prices

£1,294.18

£1,078.48 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Andrews Z146 is a 10-inch automatic flue damper for Andrews water heaters. It controls the flue gas path, opening to allow exhaust gases to vent and closing to limit heat loss when the appliance is off. This damper is used in HI FLO 54/418 and 54/440 models.

Signs this part needs replacing

  • Damper blade stuck in the open or closed position
  • Boiler or water heater lockout or failure to fire
  • Visible corrosion, soot, or mechanical damage on the damper
  • Rattling or unusual noise from the flue area
  • Increased heat loss or reduced efficiency

Before you order

  • Check your appliance model against the fit list above
  • Confirm the flue damper size is 10 inches
  • Verify the part number Z146 matches your existing damper
  • Inspect the existing damper for damage or wear

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.

Andrews Z146 Flue Damper 10 for HI FLO Water Heaters