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Andrews Straight Tundish 7705640

Andrews

Andrews Straight Tundish 7705640

Straight tundish, part 7705640, for Andrews water heaters and Supaflo EVO models, with 1.5" x 2" connections.

At a glance

  • Appliance family: Andrews water heaters and Supaflo EVO
  • Also known as 1823294
Manufacturer part no.
7705640
Showing prices

£182.99

£152.49 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 straight tundish (part number 7705640) is a discharge pipe fitting used on Andrews water heaters and Supaflo EVO appliances. It provides an air gap in the relief valve discharge pipework, giving a visible indication of water passing through the discharge line. The fitting is sized 1.5" x 2".

Signs this part needs replacing

  • Cracks, splits or distortion in the tundish body
  • Water leaking from the tundish body or its connections
  • Scale, sludge or debris restricting flow through the tundish
  • Corrosion or discolouration of the tundish material
  • Discharge water escaping around the tundish rather than passing through it

Before you order

  • Check the appliance data plate to confirm the model
  • Confirm the existing tundish connection sizes match 1.5" x 2"
  • Verify part number 7705640 against the manufacturer's parts list for your appliance

Not sure which part?

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