The Fernox TF1 Sigma UB Filter 62631 is a compact under-boiler filter with a brass manifold, designed for tight spaces and concealed pipework. Built from durable, high-performance polymer and forged brass, it offers effective debris removal, easy cleaning via a 3-way valve, and flow efficiency—ideal for protecting modern heating systems in space-restricted installs.
The Wyndam Branded 22mm Heating Filter is designed to protect your central heating system by capturing debris, sludge, and other contaminants. Suitable for 22mm pipework, this heating filter improves system efficiency, prevents blockages, and extends the lifespan of your boiler and radiators.