Oatey SludgeHammer System Restorer

Features: Sludgehammer System Restorer and Noise Reducer is a combination product for system cleaning and reducing kettling. Helps restore heating system efficiency. Suitable for all metals including aluminum, cast iron and stainless steel. For typical 25 gallon system use 1 quart. For larger systems, dose at a rate of 1% of the system volume. For noise reduction or annual maintenance, recirculate product for 4 hours. For heavily fouled systems, recirculate for up to 24 hours. Use with Sludgehammer Universal Corrosion Inhibitor as part of an annual heating system maintenance program.