Description
Fernox TF1 Sigma UB Filter is a compact, high-efficiency magnetic filter designed to fit neatly under boilers. It protects central heating systems by capturing sludge, debris, and other contaminants before they can damage key components. Manufactured by Fernox, this premium-quality filter ensures long-lasting system performance, reliability, and efficiency in both domestic and commercial installations.
Its durable, precision-engineered design allows easy installation in tight spaces. Because it’s compatible with all boiler types, it provides a flexible solution for new or existing systems. Whether you’re a heating engineer or a homeowner, the Fernox TF1 Sigma UB Filter helps improve system efficiency, reduce energy consumption, and extend boiler life.
Why Choose This Product?
The Fernox TF1 Sigma UB Filter offers powerful magnetic and hydronic filtration, removing contaminants that cause corrosion and blockages. Its compact under-boiler design saves space while maintaining maximum performance. Because it can handle high temperatures and flow rates, it ensures consistent protection for modern, energy-efficient systems.
Its robust body and removable magnet make cleaning and servicing quick and simple. The filter installs easily with standard fittings and integrates seamlessly with Fernox chemical treatments for full system care. As a result, it delivers long-term protection and smooth, efficient heating operation.
Delivery and Collection
You can collect this product from our showroom at Unit 5, Penn Street, Newcastle upon Tyne, NE4 7BG. Most orders are ready the same day, and our staff ensure your collection is quick and hassle-free. Simply choose the collection option at checkout, and we’ll prepare your order immediately.
We also offer fast UK delivery through Royal Mail First Class, with most items arriving within 1–2 working days. Each product is securely packaged to prevent damage in transit. For best results, have this filter installed by a qualified heating engineer.








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