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Saunier Duval 3 Way Valve Motor S1053700

Saunier Duval

Saunier Duval 3 Way Valve Motor S1053700

Three-way valve motor for Saunier Duval gas boilers, used to drive the diverter valve between heating and hot water.

At a glance

  • Also known as 1417119
Manufacturer part no.
S1053700
Showing prices

£73.18

£60.98 ex. VAT · VAT at 20%

In stock
Cut-off passed — dispatches next working day
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 Saunier Duval S1053700 is a three-way valve motor used on a range of Saunier Duval gas boilers. It drives the diverter valve inside the boiler, moving it between central heating and domestic hot water modes. This motor is listed for Enviroplus, Isofast Condens, Isotwin Condens, Thema Condens and Themaplus Condens models.

Signs this part needs replacing

  • No hot water when the heating is running, or heating when hot water is drawn
  • Diverter valve stuck in one position, so the boiler cannot switch between CH and DHW
  • Motor does not move or makes no noise when the valve is called to change position
  • Boiler locks out or shows a fault code linked to the diverter valve
  • Intermittent hot water or heating that comes and goes without a clear pattern

Before you order

  • Confirm your boiler model and, for the Isofast Condens F35E, check the serial number against the two fitment listings
  • Check the existing motor's part number against S1053700
  • Inspect the valve body and seals for damage or leaks before fitting a new motor

Not sure which part?

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