Provision, installation and Servicing of Water Treatment & Purification Solutions. Contact us at sales@excelwater.co.uk Telephone Number 0113 2320005 Over 60% of our business is servicing of existing products and equipment, of which the majority have been with us for over 10 years. Servicing of softeners, RO's, demin plants, UV systems and all filtration equipment if you have a Fleck, Autorol, Siata or any other valve on your equipment, our engineers are trained in all areas.