Why do fire hydrants not freeze and burst in the winter? The water is theoretically above the freezing line, no? 1.96K viewsJanuary 3, 2024 Question91.08K January 10, 2020 0 Comments Why do fire hydrants not freeze and burst in the winter? The water is theoretically above the freezing line, no? In: Engineering 9 Answers ActiveNewestOldest Anonymous Posted January 10, 2020 0 Comments If I recall correctly, there is a feeder pipe up to the hydrant from below the frost line, and an activator device which keeps the water below the frost line. You are viewing 1 out of 9 answers, click here to view all answers. Register or Login
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