SAFE LIQUID BOILER STOP LEAK is scientifically formulated to form a water insoluble seal in steam and hot water boilers and entire hot water systems including radiant systems.
Drain system until water level is 2 inches below normal level. Shake well, pour SAFE LIQUID into any opening. Replace fitting. Raise water level until all leaks are covered. Heat water to 140° until leaks are sealed. OR mix SAFE LIQUID with water in a pail and inject directly into boiler drain with a SILVER KING Force Pump. Maintain heat until leaks are sealed.
Use one quart for each 110,000 BTU's of boiler rating.
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