Glow-worm Hydraulic Block 0020173573

Glow-worm hydraulic block, part number 0020173573, classed as a diverter valve and hydraulics component.

At a glance

Part type: Diverter valves and hydraulics

Manufacturer part no.

0020173573

Showing prices

£66.72

£55.60 ex. VAT · VAT at 20%

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.

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Glow-worm Hydraulic Block, part number 0020173573, is a diverter valves and hydraulics component supplied under the Glow-worm brand. It is listed for the Glowworm Ultimate 35C boiler.

Before you order

Check the GC number on the data badge of your appliance against GC: 47-044-49 before ordering.

Make	Model / assembly	Reference	Years	Fitment
GLOWWORM ULTIMATE 35C	47-044-49	`47-044-49`	—	—

Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.

Not sure which part?

Tell the parts assistant what it's going into — the appliance make and model, or the GC number off the data badge — and it will check this part is on the fit list.