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Johnson & Starley Pressure & Temperature Relief Valve 1000-0700850

Johnson & Starley

Johnson & Starley Pressure & Temperature Relief Valve 1000-0700850

Pressure and temperature relief valve, part 1000-0700850, for Johnson & Starley gas boilers.

At a glance

  • Also known as 1691320
Manufacturer part no.
1000-0700850
Showing prices

£232.43

£193.69 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 Johnson & Starley 1000-0700850 is a pressure and temperature relief valve. It is a safety component that opens to discharge water when the pressure or temperature in the appliance circuit rises above its set thresholds. It is listed under pressure relief and safety valves within Johnson & Starley gas boiler spares.

Before you order

  • Confirm the part number 1000-0700850 matches the valve being replaced.
  • Check the connection size and thread of the existing valve against the appliance before ordering, as these are not stated here.
  • Verify the pressure and temperature ratings required by the appliance, as these are not stated here.
  • Check the discharge pipework route and termination are suitable for the replacement valve.

Not sure which part?

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