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Glow-worm Hydroblock Outlet 0010028788

Glow-worm

Glow-worm Hydroblock Outlet 0010028788

Hydroblock outlet for Glow-worm Compact and Micracom combi boilers, part number 0010028788.

At a glance

  • Appliance family: Compact and Micracom combi boilers
  • Also known as 8926058
Manufacturer part no.
0010028788
Showing prices

£68.56

£57.13 ex. VAT · VAT at 20%

Available to order · 7 working days
Available to order · 7 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 hydroblock outlet is a Glow-worm hydraulic component used on Compact and Micracom combi boilers. It forms the outlet side of the hydroblock assembly, directing water flow through the boiler's domestic hot water and heating circuit. It is supplied under Glow-worm part number 0010028788.

Signs this part needs replacing

  • Water weeping or dripping from the hydroblock outlet area
  • Limescale or mineral deposits visible around the outlet connection
  • Reduced domestic hot water flow or inconsistent outlet pressure
  • Cracking, distortion or perished seals at the outlet body
  • Pressure loss on the heating circuit traced to the hydroblock

Before you order

  • Confirm your boiler model against the fitment list above
  • Check the existing part number on the component matches 0010028788
  • Inspect the surrounding hydroblock and seals for related wear before fitting
  • Verify the appliance is isolated and drained before removal

Not sure which part?

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