Andrews Nozzle C921

Gas oil nozzle, 1.75mm x 80mm, for Andrews water heaters and boilers.

At a glance

Also known as 1821161

Manufacturer part no.

C921

Showing prices

£33.16

£27.63 ex. VAT · VAT at 20%

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 team Send 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 Andrews C921 is a gas oil nozzle with a 1.75mm orifice and an 80mm length, used in Andrews water heaters and boilers. It meters and atomises fuel at the burner to support controlled combustion. Part number C921.

Signs this part needs replacing

Sooting or black smoke at the burner
Unstable or erratic flame
Difficulty establishing or maintaining ignition
Poor combustion readings or reduced heat output
Visible wear, blockage or carbon build-up on the nozzle

Before you order

Confirm the orifice size (1.75mm) and length (80mm) match the existing nozzle
Check the appliance model against the fitment list
Confirm the appliance runs on gas oil
Have the appliance model and serial number to hand

Can't find yours? Call 01302 279234

Make	Model / assembly	Reference	Years	Fitment
ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES	—		—	—
ANDREWS WATER HEATERS OFS90	—		—	—

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?

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

Send a technical question Call the technical team

Barcode / EAN	5039192392100
Alternative numbers	1821161