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Potterton Heating Inlet Group Heat Box 5138655

Potterton

Potterton Heating Inlet Group Heat Box 5138655

Heating inlet group heat box, part 5138655, for the Potterton Commercial Sirius SAT Rs2Z boiler.

Manufacturer part no.
5138655
Showing prices

£168.54

£140.45 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 heating inlet group heat box is a Potterton Commercial component that forms part of the heating circuit inlet assembly on the appliance. It is listed under manufacturer part number 5138655 and is intended for commercial boiler applications.

Signs this part needs replacing

  • Water weeping or dripping from the inlet group assembly
  • Visible scale, sludge or debris within the inlet group
  • Pressure loss on the heating circuit with no obvious leak elsewhere
  • Poor or inconsistent heating performance traced back to the inlet group

Before you order

  • Confirm the appliance is a Potterton Commercial Sirius SAT Rs2Z
  • Quote part number 5138655 when ordering
  • Inspect the existing inlet group for damage, scale or debris before removal
  • Isolate the appliance before any work begins

Not sure which part?

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

Potterton 5138655 Heating Inlet Group Heat Box