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Sime Water Rate Adjuster 6281512

Sime

Sime Water Rate Adjuster 6281512

Water rate adjuster for Sime gas boilers, controlling the domestic hot water flow rate at 12 litres per minute.

At a glance

  • Also known as 2041782
Manufacturer part no.
6281512
Showing prices

£21.90

£18.25 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 6281512 is a water rate adjuster rated at 12 litres per minute, fitted as an adjusting screw on the manifold of Sime gas boilers. It sets and maintains the domestic hot water flow rate through the appliance. This component is used across a range of Sime Format, Ecomfort and ZIP models.

Signs this part needs replacing

  • Hot water flow rate cannot be set or held at the correct level
  • Flow rate drifts after adjustment
  • Adjusting screw turns without changing the water rate
  • Scale or debris prevents smooth adjustment
  • Inconsistent hot water delivery at the tap

Before you order

  • Confirm your boiler model against the fitment list above
  • Check the GC number on your appliance's data badge where listed
  • Verify the existing part number 6281512 or the manifold adjuster position
  • Ensure the adjuster is the correct 12 litre/min rating for your appliance

Not sure which part?

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