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Andrews Screw 4-40 X 3/8 Z311

Andrews

Andrews Screw 4-40 X 3/8 Z311

Andrews Z311 screw, 4-40 x 3/8 inch, for Andrews water heaters and Ecoflo hot water appliances.

At a glance

  • Also known as 1824114
Manufacturer part no.
Z311
Showing prices

£3.18

£2.65 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 Andrews Z311 is a 4-40 x 3/8 inch screw used in Andrews water heaters and hot water spares. It is a small fixing component for boiler and water heater assemblies. The part is listed for Andrews Ecoflo and related hot water appliance families.

Signs this part needs replacing

  • The screw is missing from its fixing point.
  • The screw head is rounded, damaged or difficult to turn.
  • The screw thread is corroded, stripped or seized.
  • A panel or component is loose because the fixing will not tighten.
  • The screw has been removed and cannot be reused safely.

Before you order

  • Confirm the part number is Z311.
  • Check the existing screw size is 4-40 x 3/8 inch.
  • Check your appliance model against the Fits list.
  • Check how many screws are required for the repair.

Not sure which part?

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