Zilmet Expansion Vessel - 12L

This Zilmet expansion vessel is designed for all types of heating systems and is wall-mounted. It ...

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City Plumbing GBZilmet 12L Wall Mounted Expansion Vessel 1300001200
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B&QB&Q - Zilmet 12L Wall Mounted Expansion Vessel 1300001200
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Product Information

Full details

This guide is for users of the Zilmet 12L Expansion Vessel. It helps maintain optimal pressure in your heating system, providing efficient and reliable performance. Please note that proper installation and regular maintenance are crucial for the vessel's longevity and effectiveness.

All features

Model Part Number1300001200
BrandZilmet

Extended Product Information

FAQs

What is an expansion vessel?

An expansion vessel is a component in a heating system that absorbs the expansion of water as it heats up, maintaining system pressure.

Where should the expansion vessel be installed?

The vessel should be installed on the return side of the heating system, close to the boiler or heat source.

How often should I check the vessel?

It is recommended to inspect the vessel regularly and check its pre-charge pressure annually.

How do I check the pre-charge pressure?

Use a pressure gauge to measure the pre-charge pressure. If it's too low, recharge the vessel with air to the recommended pressure.

What happens if the vessel fails?

A failed vessel can lead to pressure fluctuations, leaks, and damage to other heating system components.

Can I replace the vessel myself?

Replacing the expansion vessel can be done by a qualified DIYer, but professional installation is always recommended.

What is the lifespan of the Zilmet 12L expansion vessel?

The lifespan depends on water quality and maintenance. With proper care, it can last for many years.

Troubleshooting

System pressure is too high.

Check the expansion vessel's pre-charge pressure and the system's relief valve. The vessel may need to be recharged or replaced.

System pressure fluctuates excessively.

Check for leaks in the system and ensure the expansion vessel is the correct size for the system.

The vessel is leaking.

Inspect the vessel for damage and replace it if necessary.

Pros and Cons

Pros

  • Prevents pressure buildup in heating systems.
  • Extends the lifespan of heating components.
  • Improves system efficiency.
  • Easy to install due to its wall-mounted design.

Cons

  • Requires regular maintenance to ensure optimal performance.
  • The vessel's lifespan is dependent on water quality.

Setup, Compatibility & Care

Setup:

  1. Ensure the heating system is depressurized before installation.
  2. Mount the expansion vessel securely to a wall using appropriate fixings.
  3. Connect the vessel to the heating system, following the manufacturer's instructions.
  4. Pressurize the system to the recommended operating pressure.

Compatibility:

The Zilmet 12L Expansion Vessel is compatible with all types of heating systems, including those using boilers, heat pumps, and solar thermal systems.

Care:

  • Regularly inspect the vessel for any signs of corrosion or leaks.
  • Check the pre-charge pressure annually.
  • Drain the vessel and refill it periodically to remove sediment.

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