LavaTap Sentinel X100 Central Heating Inhibitor - 1L

LavaTap Sentinel X100 Central Heating Inhibitor is a high-performance additive designed to protect...

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eBayLavaTap Sentinel X100 1L Radiator Inhibitor Fluid for Central Heating Systems
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B&QB&Q - Sentinel X100 Central Heating Inhibitor 1L Radiator & System Rust Protection
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Product Information

Full details

The LavaTap Sentinel X100 Central Heating Inhibitor is an essential maintenance solution for homeowners and professional engineers looking to preserve the efficiency of sealed, open-vented, or combi boiler systems. Its primary benefit lies in its advanced pH-neutral, non-toxic formula, which actively prevents corrosion, limescale, and sludge buildup, ultimately extending the lifespan of radiators and pipes; however, users must note that while it protects the system, it requires annual level checks to remain fully effective over time.

All features

Model Part NumberLV-SX100
BrandLavaTap

Extended Product Information

FAQs

Is the Sentinel X100 safe for aluminum radiators?

Yes, its pH-neutral, non-toxic formulation is specifically designed to be safe for mixed-metal systems, including aluminum, copper, and steel.

How often should I add more inhibitor?

It is recommended to check levels annually. You should also add more whenever a significant amount of system water is drained or replaced.

Can I use this in an open-vented system?

Yes, the product is fully compatible with open-vented, sealed, and combi boiler setups.

Will this remove existing sludge?

The X100 is an inhibitor designed to prevent damage. While it helps maintain water quality, it is not a heavy-duty system cleaner for existing sludge.

Can I overdose the system?

While the formula is safe, you should follow the 1-litre per 100-litre water ratio to ensure optimal performance without wasting product.

Does it impact my energy bills?

By preventing sludge and scale, your system maintains better heat transfer efficiency, which can prevent energy waste and help keep gas usage optimized.

Troubleshooting

Boiler continues to make noise after adding the product

Check if the system was already heavily sludged; X100 prevents further issues but may not remove existing heavy debris. A power flush may be required first.

Inhibitor level test results are low

Check for leaks in the system or recent water loss, then top up the inhibitor concentration to the manufacturer's recommended level.

Pros and Cons

Pros

  • pH-neutral and non-toxic formula ensures safety for users and system components
  • Suitable for a wide range of heating setups including combi boilers
  • Easy to dose through a radiator or filling loop
  • Helps improve energy efficiency by maintaining clean internal surfaces

Cons

  • Requires annual testing of inhibitor levels for ongoing protection
  • Not a cleaner for heavily clogged systems; requires a clean system to be most effective
  • Requires manual addition to the heating loop

Setup, Compatibility & Care

Before adding the Sentinel X100, ensure your heating system is switched off and has cooled down to room temperature to prevent burns or pressure release.

  1. Drain/Isolate: If using a filling loop, ensure the system is properly pressurized and the point of entry is accessible.
  2. Dosing: Inject the fluid through a convenient radiator bleed point using an adapter or directly via the filling loop on a combi system.
  3. Circulation: Once added, switch the heating on for at least 30 minutes to allow the pump to distribute the inhibitor evenly throughout the entire circuit.
  4. Maintenance: Mark your calendar to test the system's inhibitor concentration levels every 12 months. This is typically done using an inhibitor test kit during your annual boiler service.

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