Silver King "Safe Liquid" boiler stop leak with ant-foam SK-24 silicone. Safe Liquid is scientifically formulated to form a water insoluble seal in steam and hot water boilers and entire hot water systems including radiant systems. This formula is safe to use in all boilers, contains no petroleum or hazardous components, will not sludge or clog, will not surge, and is compatible with propylene glycol and ethylene glycol anti-freeze.
Silver King steam boiler cleaner/inhibitor with silicone SK-24 that is formulated to clean and protect boilers and hydronic heating systems. Hydronic #5 prevents formulation of insulating scale on heat transfer surfaces, keeps dissolved solids in solution, frees and lubricates stuck zone values, dissolves insulating sludge on tankless coils, prevents corrosion, protects and lubricates pump seals and quiets nosy circulators, and ensures maximum heat transfer. This solution is safe to use in all boilers as it contains no petroleum or hazardous components. It is also compatible with both ethylene glycol and propylene glycol antifreeze.