Worcester Expansion Vessel 10 Litre 87161425040

Fluctuating pressure or constant topping up in your Worcester boiler often signals an expansion vessel issue. This genuine Worcester Expansion Vessel 10 Litre 87161425040 is vital for sealed system health, addressing these common problems.

The Unsung Hero of Your Heating System

This 10 Litre Expansion Vessel is crucial for sealed central heating systems. As water heats, it expands; this vessel provides space, preventing dangerous pressure rises that could damage your boiler or pipework. The Worcester 87161425040 uses an internal diaphragm and pre-charged air cushion to safely accommodate this, protecting components like the pump and ensuring smooth operation.

A failing vessel often causes dropping system pressure (requiring top-ups) or a dripping PRV, due to lost charge or diaphragm failure. Ignoring these strains your Heating Category and risks costlier repairs.

Using this genuine Worcester Expansion Vessel 10 Litre 87161425040 ensures perfect compatibility (see list below), correct fit, optimal performance, and system integrity, vital for any warranty. A genuine part offers peace of mind over other Expansion Vessel Category options. Key benefits:

• Maintains Stable System Pressure: Prevents over/under-pressure.
• Protects Boiler & System: Reduces strain, prevents PRV discharge.
• Genuine Worcester Bosch Quality: Reliable, long-lasting.
• Essential for Sealed Systems: Vital for system health.
• Direct Replacement: The Worcester 87161425040 is specific for compatible boilers.

Technical Specifications

• Brand: Worcester Bosch
• Product: Worcester Expansion Vessel 10 Litre
• Part Number: 87161425040
• Capacity: 10 Litres
• Shape: Capsule (typical design)
• Pre-charge Pressure: Typically 1.0 bar (Always check and adjust to specific system requirements as per boiler manufacturer's instructions during installation)
• This Worcester Expansion Vessel 10 Litre 87161425040 is compatible with the following boilers (Always verify with your boiler manual or a Gas Safe engineer):

• DANESMOOR 12-25 OOO_1995-1998 (7716139041)
• DANESMOOR 12/14-OSO-GB OIL SYS (7716100070)
• DANESMOOR 12/14-OSO-GB OIL SYS (7716100026)
• DANESMOOR 12/14-RSO-GB OIL SYS (7716100072)
• DANESMOOR 12/14-RSO-GB OIL SYS (7716100028)
• DANESMOOR 15/19-OSO-GB OIL SYS (7716100030)
• DANESMOOR 15/19-RSO-GB OIL SYS (7716100032)
• DANESMOOR 20/25-OSO-GB OIL SYS (7716100079)
• DANESMOOR 20/25-OSO-GB OIL SYS (7716100034)
• DANESMOOR 20/25-RSO-GB OIL SYS (7716100036)
• DANESMOOR 20/25-RSO-GB OIL SYS (7716100081)
• DANESMOOR OSO_1993-1998 (7716139039)
• Worcester 240 OF, BF, RSF Combi models (check specific appliance lists)
• Worcester DMR OSO OIL CBI (check specific appliance lists)

• This list includes specific Danesmoor models. Always confirm compatibility for your exact appliance before ordering.

Important Note on Installation & Maintenance

Critical Safety Warning: Installation or replacement of this 10 Litre Expansion Vessel must be by a qualified heating engineer (Gas Safe registered if gas components are involved). Incorrect installation is dangerous and can cause system malfunction.

Ensure the vessel's pre-charge pressure is correctly set for your system before commissioning. This may involve parts from our Plumbing Category or Pumps Category. Regular charge checks are recommended for system maintenance.

If your Worcester boiler has pressure problems, this genuine Worcester Expansion Vessel 10 Litre 87161425040 could be the solution. Add it to your basket. For queries on compatibility, other spares (Morco, Halstead Spares), or controls (Honeywell, EPH Controls), head to our Contact Page. We're here to help at Heating And Plumbing World.