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Johnson & Starley Gas Valve & Venturi Assembly 1000-0709635

Johnson & Starley

Johnson & Starley Gas Valve & Venturi Assembly 1000-0709635

Gas valve and venturi assembly for Johnson & Starley Reno and Renoxtra boilers, supplied with fan gasket, pipe gasket and four screws.

At a glance

  • Also known as 1691421
Manufacturer part no.
1000-0709635
GC number
H23-624
Showing prices

£303.25

£252.71 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 Johnson & Starley 1000-0709635 is a gas valve and venturi assembly for Reno and Renoxtra boilers. It controls the gas supply to the burner and uses a venturi to mix gas and air. The assembly is supplied with a fan gasket, pipe gasket and four screws.

Signs this part needs replacing

  • Boiler fails to ignite or locks out during the ignition sequence.
  • Flame is weak, unstable or does not respond to demand.
  • Gas valve does not open or close correctly.
  • Venturi is blocked, damaged or contaminated.
  • Gaskets or pipe connections show signs of leakage or deterioration.

Before you order

  • Confirm the boiler model is listed in the Fits section.
  • Check the existing part number is 1000-0709635.
  • Inspect the gas valve and venturi assembly for damage before fitting.
  • Confirm the gas type and boiler setup are correct for the application.

Not sure which part?

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