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Alpha Gas Pipe 14mm Dia 1039140

Alpha

Alpha Gas Pipe 14mm Dia 1039140

Alpha 1039140 14mm diameter pipe linking the gas valve to the manifold, listed for the Alpha E-Tec 30S boiler.

At a glance

  • Part type: gas valve to manifold pipe
  • Appliance family: E-Tec
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.
Manufacturer part no.
1039140
Showing prices

£12.95

£10.79 ex. VAT · VAT at 20%

Available to order · 5-7 working days
Available to order · 5-7 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Alpha 1039140 is a 14mm diameter pipe that connects the gas valve to the manifold inside the appliance. It is an Alpha component intended for the E-Tec range, and it carries the gas/air path between the valve assembly and the manifold once the valve has modulated the supply. The pipe is shaped and sized to suit the specific routing inside the casing, so it is not interchangeable with pipework from other boiler families.

Signs this part needs replacing

  • A gas smell or a detectable leak at either end of the pipe where it meets the valve or manifold.
  • Visible corrosion, pitting or surface damage along the pipe run.
  • A kinked, crushed or distorted pipe restricting flow after servicing or handling.
  • Soot or discolouration around the joints, suggesting a poor seal or disturbed connection.
  • Repeated ignition or flame-stability faults traced back to the gas supply path during diagnosis.

Before you order

  • Check the boiler's data badge and serial number, and confirm the part number 1.039140 against the appliance documentation.
  • Compare the alternative number 039140 with any number shown on the existing pipe or the old parts listing.
  • Inspect the sealing washers or O-rings at each end of the pipe and replace them if they are compressed, split or hardened.
  • This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.

Not sure which part?

Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.