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Andrews Maintenance Kit Twin Heat Exchanger 7709390

Andrews

Andrews Maintenance Kit Twin Heat Exchanger 7709390

Maintenance kit for the twin heat exchanger on Andrews Maxxflo EVO water heaters, part number 7709390.

At a glance

  • Appliance family: Maxxflo EVO water heaters
  • Also known as 1824477
Manufacturer part no.
7709390
Showing prices

£657.70

£548.08 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 7709390 is a maintenance kit for the twin heat exchanger. It is supplied by Andrews for use with Maxxflo EVO water heaters. The kit is intended for servicing the twin heat exchanger assembly on these appliances.

Signs this part needs replacing

  • Reduced hot water output or slow temperature recovery
  • Scale or debris build-up affecting heat exchanger performance
  • Leaks or weeping around the heat exchanger
  • Noisy operation or kettling from the heat exchanger
  • Repeated temperature faults or lockouts during operation

Before you order

  • Confirm your appliance model against the fit list above
  • Check whether your unit is the LPG or NG variant
  • Verify the part number 7709390 against the manufacturer's parts list
  • Servicing of the twin heat exchanger should be carried out by a competent heating engineer

Not sure which part?

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