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Glow-worm Nipple G3/4 Brass 0020186171

Glow-worm

Glow-worm Nipple G3/4 Brass 0020186171

Brass G3/4 inch nipple, Glow-worm part 0020186171, used on a range of Glow-worm gas boilers.

Manufacturer part no.
0020186171
Showing prices

£9.53

£7.94 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 0020186171 is a brass nipple with a G3/4 inch thread, manufactured by Glow-worm. It is a small threaded connector used within the hydraulic assembly of Glow-worm gas boilers, joining G3/4 threaded components. It is listed across a wide range of Glow-worm combi and system boiler families.

Signs this part needs replacing

  • Visible corrosion, pitting or green discolouration on the brass body
  • Weeping or a damp trace around the threaded joint
  • Thread damage or cross-threading preventing a sound seal
  • Distortion or cracking of the nipple after removal or refitting
  • Persistent pressure loss traced to the joint the nipple serves

Before you order

  • Confirm the appliance model against the fit list above
  • Check the thread size required on your appliance is G3/4 inch
  • Inspect the mating threads and seals before refitting
  • Verify the part number 0020186171 matches the one removed

Not sure which part?

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