Expansion Vessel 10Ltr 541L Replaces Trianco 207291

Boulter | Grandee | Grant HRM | Trianco Eurostar Worcester

This 10-litre expansion vessel (541L system capacity rated) is a high-quality replacement for Trianco part number 207291. It’s designed to manage pressure changes within sealed heating systems, protecting your boiler and components from stress caused by water expansion.

Why it matters:

• Absorbs expanding water volume during heating cycles

• Maintains stable pressure in closed-loop systems

• Improves system efficiency and protects pumps, valves, and pipework

• Prevents over-pressurisation and extends boiler lifespan

Key Features:

• Replaces original Trianco 207291 expansion vessel

• Capacity: 10 litres

• Suitable for system volumes up to 541 litres

• Compact and easy to fit

• Pre-charged with air cushion to manage pressure

• Durable, corrosion-resistant design

• Compatible with a wide range of sealed heating systems

Technical Specifications:

• Vessel Size: 10 litres

• System Volume Rating: 541 litres

• Pre-Charge Pressure: Typically 1 bar (adjustable)

• Max Operating Temperature: Up to 90?°C

• Material: Steel shell with internal rubber membrane

• Installation: Standard 3/4" or 1/2" male connection (check system specs)

This genuine-quality replacement expansion vessel ensures continued protection and pressure control in domestic or commercial heating systems that originally used Trianco part 207291.