Vent-Axia Sentinel Econiq S/SCP ISO 60% Coarse Filter Set 411689

Vent-Axia 411689 — Sentinel Econiq S and SCP ISO 60% Coarse (G4) Replacement Filter, Pack of 2.

The Vent-Axia 411689 is the genuine OEM ISO 60% Coarse (G4) replacement filter set for the Lo-Carbon Sentinel Econiq S and SCP MVHR range, supplied as a pack of two. The G4 filter is the standard grade supplied with the Sentinel Econiq S and SCP units as fitted, protecting both the heat exchanger and the supply airstream from sand, fine hair and particles larger than 10 microns. Regular replacement maintains the airflow performance and indoor air quality the unit was designed to deliver.

What the G4 Filter Does

The ISO 60% Coarse (G4) filter can filter out sand, fine hair and particles larger than 10μm. Fitted in both the supply and extract air paths of the Sentinel Econiq S and SCP, the G4 filters are the foundation layer of the system's air quality management — intercepting the coarser particles that would otherwise accumulate on the heat exchanger core and degrade its efficiency over time. As the filters load up with captured particulate, airflow resistance increases and system performance reduces, making timely replacement essential to keep the unit operating at its commissioned specification.

Upgrade Options Available

The Sentinel Econiq S and SCP range supports additional supply air filter grades for occupants who require higher filtration performance. Additional filtration can be achieved with a selection of optional filters, such as ISO ePM10 (M5), which can filter pollen, stone dust and particles smaller or equal to 10μm and ISO ePM2.5 (F7), which can filter out mould spores, bacteria and particles smaller or equal to 2.5μm. These higher-grade filters replace the supply air filter only; the extract side continues to use the G4 filter supplied in this pack.

Vent-Axia's Latest Flagship MVHR Range

The Lo-Carbon Sentinel Econiq is Vent-Axia's latest flagship mechanical ventilation with heat recovery system, designed and developed in the UK. Keeping the filters replaced at the correct intervals is essential to maintaining the system's efficiency, indoor air quality performance, and SAP Appendix Q compliance credentials across the life of the installation. Vent-Axia recommends checking filters at three months post-installation to account for construction dust, then at least every six months, with replacement at least every twelve months.

Key Features of the Vent-Axia Sentinel Econiq S/SCP G4 Replacement Filter 411689 Include:

• ISO 60% Coarse (G4) Standard Filter — Captures Sand, Fine Hair & Particles Larger Than 10µm
• Standard Grade Supplied with Sentinel Econiq S & SCP Units as Fitted — Like-for-Like Genuine OEM Replacement
• Pack of 2 — One Full Replacement Set per Pack (Supply and Extract Filters)
• Protects Heat Exchanger Core — Prevents Particulate Build-Up That Reduces Efficiency Over Time
• Compatible with Vent-Axia Lo-Carbon Sentinel Econiq S & SCP MVHR Range
• Higher-Grade Supply Air Filters Also Available — M5 (ePM10 50%) for Pollen; F7 (ePM2.5 70%) for Mould Spores & Bacteria
• Recommended Replacement Interval: At Least Every 12 Months (Check at 3 Months Post-Installation; Every 6 Months Thereafter)
• Filter Dimensions: 135mm x 365mm (Approx)
• Sector: New Build, Residential

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