Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Ferroli CH Flow Pipe 31C Plus 3840L972

Ferroli

Ferroli CH Flow Pipe 31C Plus 3840L972

Central heating flow pipe for Ferroli Optimax HE Plus 31C V1 and V2 boilers, carrying heated water to the heating circuit.

Manufacturer part no.
3840L972
Showing prices

£162.66

£135.55 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 CH flow pipe for the Ferroli Optimax HE Plus 31C is a boiler waterway component that carries heated water from the appliance into the central heating circuit. It is produced by Ferroli as part 3840L972 for the 31C Plus variant. This pipe is specific to the Optimax HE Plus 31C platform and is not interchangeable with other boiler models.

Signs this part needs replacing

  • Visible corrosion, pitting or surface staining along the pipe.
  • Water weeping or damp traces at the pipe joints or unions.
  • Pin-hole leaks or drips appearing while the system is under pressure.
  • Limescale or sludge build-up restricting flow through the pipe.
  • Distortion or physical damage at the pipe ends or bends after earlier work.

Before you order

  • Confirm the appliance is an Optimax HE Plus 31C and identify whether it is V1 or V2.
  • Match the existing pipe and its connections against Ferroli part 3840L972.
  • Isolate the water and electrical supplies and drain down as required before removal.
  • Check the condition of any seals or washers at the connection points before refitting.

Not sure which part?

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