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Alpha DHW Positive Pressure Pipe 6.5625780

Alpha

Alpha DHW Positive Pressure Pipe 6.5625780

Alpha DHW positive pressure pipe, part 6.5625780, connecting the DHW flow valve to the return valve on 240 and 280 series boilers.

At a glance

  • Appliance family: Alpha 240 and 280 series
  • Also known as PIPE-DIFF-PRESSSENSPOSITIVE-240280, 1251148
Manufacturer part no.
6.5625780
GC number
343-612
Showing prices

£21.67

£18.06 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 Alpha DHW positive pressure pipe is a pipe assembly used on Alpha 240 and 280 series gas boilers. It carries the positive pressure signal between the DHW flow valve and the return valve. The part is supplied under Alpha part number 6.5625780.

Signs this part needs replacing

  • Water weeping or dripping at the pipe connections
  • Corrosion, scale or discolouration on the pipe surface
  • Reduced DHW flow or unstable hot water delivery
  • Visible cracking, kinking or deformation of the pipe
  • Water staining around the DHW flow or return valve area

Before you order

  • Confirm your boiler model and, where shown, the GC number against the fitment list
  • Check the existing pipe part number matches 6.5625780
  • Inspect the valve connections for damage before fitting the new pipe

Not sure which part?

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