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Ideal Pressure Relief Valve 4 Bar 177942

Ideal

Ideal Pressure Relief Valve 4 Bar 177942

Ideal 177942 pressure relief valve rated at 4 bar, a safety component for Ideal Commercial appliances.

At a glance

  • Part type: Pressure relief valve
  • Also known as 1180523
Manufacturer part no.
177942
Showing prices

£174.14

£145.12 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 Ideal 177942 is a pressure relief valve rated at 4 bar. It is a safety component fitted to the appliance's water circuit, opening to discharge excess pressure before it can damage internal components or the surrounding system. It is listed for Ideal Commercial appliances.

Signs this part needs replacing

  • Water continually weeping or running from the discharge pipe when the system is cold
  • System pressure that will not hold and needs frequent topping up
  • The valve failing to reseat after it has lifted, leaving the discharge pipe wet
  • Pressure gauge climbing steadily with no call for heat
  • Scale or corrosion visible around the valve body or its outlet

Before you order

  • Confirm your appliance model and GC number against the compatibility list before ordering
  • Check the rating on the existing valve matches 4 bar, as relief valves are supplied in several pressure settings
  • Inspect the sealing washer at the valve connection and replace it if it is compressed or perished

Not sure which part?

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