Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Alpha Gas Supply Pipe 1.035156

Alpha

Alpha Gas Supply Pipe 1.035156

18 mm diameter gas supply pipe for compatible Alpha boilers, part number 1.035156.

At a glance

  • Also known as GASFLOWRETURN-PIPE, 1259966
Manufacturer part no.
1.035156
Showing prices

£25.09

£20.91 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 1.035156 is an 18 mm diameter gas supply pipe for compatible Alpha boilers. It forms part of the gas supply pipework and is listed in parts data as a gas/flow/return pipe. It is used on Alpha InTEC 2 and E-TEC families where specified.

Signs this part needs replacing

  • Visible corrosion, pitting or surface deterioration on the pipe.
  • Signs of gas leakage around the pipe or its joints.
  • Kinks, dents or deformation that could restrict gas flow.
  • Unexplained pressure loss or boiler lockout linked to the gas supply.
  • Water, debris or obstruction inside the pipe.

Before you order

  • Check the boiler model and GC number against the fitment list.
  • Confirm the existing pipe is 18 mm diameter.
  • Check the part number 1.035156 against the existing component or manufacturer's parts list.
  • If the model is not listed, verify compatibility with the manufacturer before ordering.

Not sure which part?

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