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Danfoss AB-QM 40 Flexo 80 DN20 HF 003Z1634

Danfoss

Danfoss AB-QM 40 Flexo 80 DN20 HF 003Z1634

Danfoss AB-QM pressure independent balancing and control valve, part 003Z1634, with DN20 connection as listed in the product name.

At a glance

  • Also known as 4106822
Manufacturer part no.
003Z1634
Showing prices

£342.72

£285.60 ex. VAT · VAT at 20%

Available to order · 7 working days
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.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 Danfoss 003Z1634 is an AB-QM 40 Flexo 80 valve with a DN20 connection, as identified by the supplied product name. It forms part of the Danfoss AB-QM range of pressure independent balancing and control valves used in hydronic heating and cooling circuits. The valve is used to balance and control flow at terminal units within a system.

Before you order

  • Confirm the part number 003Z1634 matches the valve or assembly being replaced.
  • Check the connection size and variant shown in the product name (DN20, HF) against the installed pipework and system schedule.
  • Verify that the AB-QM 40 and Flexo 80 configuration matches the design requirements for the circuit.

Not sure which part?

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