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Andrews Non Return Valve 5142704

Andrews

Andrews Non Return Valve 5142704

Non-return valve for the heat exchanger and DHW circuit on Andrews Maxxflo EVO water heaters, part number 5142704.

At a glance

  • Also known as 1822164
Manufacturer part no.
5142704
Showing prices

£184.32

£153.60 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 5142704 is a non-return valve for the heat exchanger and DHW circuit on Andrews water heaters. It forms part of the isolation valve group and prevents reverse flow through the circuit it serves.

Signs this part needs replacing

  • Water passing in the wrong direction when the circuit is isolated
  • Unstable DHW temperature or unexpected flow at outlets
  • Cross-flow between the heat exchanger and DHW circuits
  • Scale, debris or visible damage at the valve body
  • Weeping or dripping from the valve

Before you order

  • Confirm the appliance model and serial number against the manufacturer's parts list
  • Check whether the valve is required for the heat exchanger or the DHW side
  • Confirm the part number 5142704 matches the valve being removed
  • Isolate and drain the appliance before removal

Not sure which part?

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