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Danfoss RAS-B2 Dynamic Radiator Pack 10mm 013G7663

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Danfoss RAS-B2 Dynamic Radiator Pack 10mm 013G7663

Danfoss RAS-B2 dynamic thermostatic radiator valve pack with 10 mm connections for domestic heating systems.

Manufacturer part no.
013G7663
Showing prices

£30.14

£25.12 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 Danfoss RAS-B2 Dynamic Radiator Pack 10mm is a thermostatic radiator valve pack from Danfoss, used to control the flow of water through a radiator on a domestic heating system. The pack is built around the RAS-B2 dynamic valve and uses a 10 mm connection size. It carries the part number 013G7663.

Signs this part needs replacing

  • The radiator stays cold or heats unevenly when the valve is opened.
  • The valve head no longer responds to the set temperature, so the radiator overheats or fails to warm.
  • Water weeps or drips from the valve body or its connections.
  • The head feels stiff, loose, or does not return when turned.
  • Knocking or humming comes from the valve while the system is running.

Before you order

  • Confirm the pipework connection size is 10 mm.
  • Check the existing valve type and flow direction to confirm the RAS-B2 pack is suitable for the installation.
  • Check the existing part number against 013G7663 where it is visible.

Not sure which part?

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