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Valor ZL300/ZL400 Bypass Assembly 42200SX

Valor

Valor ZL300/ZL400 Bypass Assembly 42200SX

Valor bypass assembly for ZL300 and ZL400 boilers, supplied under part number 42200SX.

Manufacturer part no.
42200SX
Showing prices

£288.32

£240.27 ex. VAT · VAT at 20%

Available to order · 4 working weeks
Available to order · 4 working weeks
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 ZL300/ZL400 bypass assembly is a Valor boiler component intended for the ZL300 and ZL400 models. It is supplied as a service part within the Valor group spare parts range under part number 42200SX.

Before you order

  • Confirm the appliance is a ZL300 or ZL400 model.
  • Check the existing component or the boiler documentation against part number 42200SX.
  • Verify that a bypass assembly is the component required for the fault being investigated.

Not sure which part?

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