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Sime Drain Cock 3/8 Inch 6179100

Sime

Sime Drain Cock 3/8 Inch 6179100

Sime 6179100 drain cock with 3/8 inch connection for use in compatible Sime gas boilers.

At a glance

  • Also known as DRAIN-COCK-38, 2040718
Manufacturer part no.
6179100
Showing prices

£27.23

£22.69 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 6179100 is a 3/8 inch drain cock manufactured by Sime for use in Sime gas boilers. It is an isolation valve component used to drain water from the appliance. This part is listed in the gas boiler spares category.

Signs this part needs replacing

  • Water weeping or dripping from the drain cock outlet when closed.
  • The drain cock will not seal fully after draining.
  • The spindle is stiff, seized, or difficult to turn.
  • Corrosion, scale, or mineral build-up around the valve body.
  • Visible damage to the connection or body.

Before you order

  • Confirm your boiler model and GC number against the compatibility list.
  • Check the existing drain cock connection size is 3/8 inch.
  • Compare the part number 6179100 with the marking on the old component.
  • Ensure the appliance is isolated and depressurised before replacement.

Not sure which part?

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