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Johnson & Starley temperature & pressure relief valve S01295

Johnson & Starley

Johnson & Starley temperature & pressure relief valve S01295

A temperature and pressure (T&P) relief valve for the Johnson & Starley STATE PRV30G, PRV40G, SCT75, SCT75G and SCT100-95G models, protecting against overheating and overpressure.

At a glance

  • Also known as 1690669
  • Work should only be carried out by a Gas Safe registered engineer where the valve is part of a gas appliance
Manufacturer part no.
S01295
Showing prices

£74.88

£62.40 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

A temperature and pressure (T&P) relief valve fitted to Johnson & Starley STATE boilers and cylinders. It opens automatically to release water if temperature or pressure inside the appliance exceeds a safe limit, protecting the system from damage.

Signs this part needs replacing

  • Valve weeps or drips continuously
  • Valve fails to open under test, or does not reseat after opening
  • Visible corrosion, scale build-up or damage to the valve body
  • Engineer diagnosis of a faulty T&P valve during a service

Before you order

  • Match the part number and connection size printed on the valve you are replacing
  • Isolate water supply and drain down the relevant section before removing the old valve
  • Work should only be carried out by a Gas Safe registered engineer where the valve is part of a gas appliance

Not sure which part?

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