cing u trod In The Intelligent Scale Solution for Tankless Water Heaters Model OFTWH Benefits ankless water heaters can be a breeding ground for scale. Heat increases the tendency for limescale deposits to form; the higher the heat the greater the buildup. Tankless units are designed to operate at high efficiency. Hard water can work against that efficiency by forming scale on critical components resulting in malfunctions and calls for service. Now there’s a solution – OneFlow . The same anti-scale technology that’s been used successfully in commercial plumbing is now designed to protect tankless water heaters in your home or small business. OneFlow® Model OFTWH for tankless water heaters is a cost effective and proven technology to ensure scale-free operation for your tankless water heater. For more information, visit our web site TheScaleSolution.com or contact your local Watts representative. ® • ompatible with all major tankless C water heater brands • aintains manufacturer’s stated M water heater efficiency • orks to prevent heater malfuncW tion due to scale build-up • iminishes existing scale probD lems and costs associated with de-scaling • nvironmentally friendly alternaE tive to water softeners Features • esigned for tankless water heatD ers up to 10 gallons per minute • irtually maintenance free – no salt V or chemicals to add or maintain • o electricity or backwashing N required • imple sizing & installation with S standard 3⁄4" connections and included mounting bracket • nlet ball valve and filter wrench I for easy shutoff and filter changes • ong lasting OneFlow® cartridge – L change once every two years

OneFlow® Model OFTWH Anti-Scale System for Tankless Water Heater Shown here with optional Watts Tankless Water Heater Valves, Quick-Connect Fittings and WaterPEX ® tubing Make Scale History with OneFlow® The Intelligent Scale Solution Hard scale can accumulate over time on pipes, valves, fixtures and heating elements causing a multitude of problems. Once formed, these scale deposits are highly insoluble and difficult to remove. Deposits can reduce the inner diameter of pipes causing restrictions in flow rate and overheating problems in heating systems. Remediation efforts can be very expensive....