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Popular Cylinder 4.75 Bar PRV For Multibloc (New Style) HRP0439

Popular Cylinder

Popular Cylinder 4.75 Bar PRV For Multibloc (New Style) HRP0439

4.75 bar pressure relief valve for the new style Multibloc cold water inlet control on Popular Cylinder appliances.

Manufacturer part no.
HRP0439
Showing prices

£66.00

£55.00 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

A 4.75 bar pressure relief valve intended for the new style Multibloc cold water inlet control. It is manufactured for Popular Cylinder Spares and forms part of the cold water inlet control group on the cylinder. Its function is to relieve excess pressure from the cold water inlet side of the Multibloc assembly.

Signs this part needs replacing

  • Water discharging from the tundish or relief pipework when the system is at normal operating pressure
  • Continuous dripping or weeping from the valve outlet
  • The valve failing to reseat after it has lifted
  • Pressure building up on the cold water inlet side with no relief
  • Visible scale, debris or corrosion around the valve seat or outlet

Before you order

  • Confirm the appliance is a Popular Cylinder unit with a Multibloc cold water inlet control
  • Check that the existing Multibloc is the new style, as this valve is specified for that version
  • Verify the pressure rating marked on the existing valve matches 4.75 bar
  • Check the valve body and connections for damage before fitting

Not sure which part?

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