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Silver King HF5SK471 1 Quart Hydronic Formula #5 Steam Boiler Cleaner Inhibitor With Silicone SK-471, Inhibits corrosion, removes dissolves insulating sludge. frees and lubricates stuck zone values, protects and lubricates entire system. Prevents clogging of automatic valves. Protects and lubricates pump seals, Quiets noisy boilers and circulators. Insures maximum heat transfer. Non-hazardous. Safe to use in all boilers and hydronic systems. Contains no petroleum. Compatible with propylene glycol and ethylene glycol anti-freeze. Use 1 qt. for each 30 gallons of system water. Hydronic formula #5 is scientifically formulated to clean and protect boilers and hydronic heating systems. Patented Hydronic #5 will maximize heating efficiency and prolong the useful life of the system.
Silver King HF5SK471 1 Quart Hydronic Formula #5 Steam Boiler Cleaner Inhibitor With Silicone SK-471 - B072J77GMN