Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Sime Safety Manual Reset Water Pressure Switch 6037550

Sime

Sime Safety Manual Reset Water Pressure Switch 6037550

Sime 6037550 safety manual reset water pressure switch for Sime Murelle HE 50 R M MET and HE 110 R boilers.

At a glance

  • Appliance family: Sime Murelle HE
  • Also known as 8921920
Manufacturer part no.
6037550
Showing prices

£112.96

£94.13 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 6037550 is a safety manual reset water pressure switch for Sime Murelle HE boilers. It monitors water pressure within the appliance and requires manual resetting after operation. It is used across the Murelle HE 50 R M MET and Murelle HE 110 R models.

Signs this part needs replacing

  • Boiler fails to fire or locks out
  • No heating or hot water despite system pressure
  • Boiler requires repeated manual resets
  • Switch does not reset or hold

Before you order

  • Confirm your boiler model against the fits list above
  • Check the part number 6037550 matches your existing switch
  • Verify the switch is the manual reset type
  • Check system pressure before replacing

Not sure which part?

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