Used approximately 35 square foot. Tube in tube heat exchanger. comprised of (3) banks of 6 – turned 5/8″ stainless steel tubes, enclosed in cooper tube. Approximately 1 1/4″ sanitary tube side connections. Designed for (not nb stamped) 300 psi both sides. Enclosed in a fiberglass insulated housing with stainless steel sheathing. Manufactured by dovcette industries. Model #n3y31. Serial #257-93. Designed to heat domestic potable water from waste heat recover source.
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