Vaillant 73878 Filter Boiler Protection KIT 28mm 0020278310 105396

This boiler protection kit is designed for use with central heating systems, offering an effective way to help reduce the build-up of debris within pipework and the boiler unit. The 28mm filter is typically installed on the return side of the heating circuit.

Used widely by heating engineers and installers, the kit assists in capturing contaminants from the water, supporting cleaner system operation. Regular maintenance and filter cleaning help to extend the service life of central heating components on site.