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Sime Water Flow Switch 6149315

Sime

Sime Water Flow Switch 6149315

Sime water flow switch 6149315 for Murelle HE and Murelle System HE boilers.

At a glance

  • Part type: Water flow switch
  • Appliance family: Sime Murelle
  • Also known as 2042338
Manufacturer part no.
6149315
Showing prices

£46.88

£39.07 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 Sime 6149315 is a water flow switch for Sime Murelle HE and Murelle System HE boilers. It detects water flow in the heating circuit, allowing the boiler to operate when there is a demand. This switch is a key component in the boiler's safety and control system.

Signs this part needs replacing

  • Boiler fails to fire when there is a demand for heating or hot water
  • Intermittent boiler operation
  • Pump does not run when there is a flow demand
  • Boiler locks out or shows a flow-related fault

Before you order

  • Check the part number 6149315 matches your existing switch
  • Confirm your boiler model is listed in the Fits section
  • Inspect the electrical connections and wiring harness for damage
  • Ensure the system is drained or isolated before replacement

Not sure which part?

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