Andrews LPG Inlet Restrictor 4.5mm C577

LPG inlet restrictor, 4.5 mm, for Andrews water heaters, part number C577.

At a glance

Also known as 1821104

Manufacturer part no.

C577

Showing prices

£125.98

£104.98 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 LPG inlet restrictor, 4.5 mm, is a gas inlet component for Andrews water heaters. It is listed for the L32/143 and L65/169 models and restricts the LPG flow at the appliance inlet. Part number C577.

Signs this part needs replacing

Burner flame too high, weak or unstable
Sooting or discolouration around the burner
Incorrect gas rate that cannot be set at commissioning
Ignition or flame failure faults
Visible damage, blockage or wear at the restrictor

Before you order

Confirm your appliance model against the fit list above
Check the existing restrictor is 4.5 mm
Confirm the appliance is LPG-fuelled
Quote part number C577 when ordering

Can't find yours? Call 01302 279234

Make	Model / assembly	Reference	Years	Fitment
ANDREWS WATER HEATERS ANDREWS HOT WATER SPARES	—		—	—
ANDREWS WATER HEATERS HI FLO L65/169	—		—	—

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.

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Barcode / EAN	5039192357703
Alternative numbers	1821104