Heat-Flo offers quality indirect water heating systems that provide abundant hot water, low operating cost and long life. Hot water from any heating boiler is circulated through the coil inside to heat all the water in the tank. Simply add another zone to your existing heating boiler.

Heat-flo Indirect Water Heater, 30 gal Capacity, 131250 Btu/hr BTU, 14 gal/min, 202 gal/hr at 140 deg F, 269 gal/hr at 115 deg F First Hour Delivery, 3/4 in NPT Inlet/Outlet Domestic Water, 1 in NPT Inlet/Outlet Boiler Water Connection, 150 lb/sq-in Working, 90 lb/sq-in Coil Pressure, 7.3 sq-ft Coil Heating Surface, 175 gal/hr at 140 deg F, 242 gal/hr at 115 deg F Continuous Draw, 5.3 ft Pressure Drop, Stainless Steel, 200 deg F, 34 in H x 23-1/2 in Dia

• Large, smooth-wall coils deliver full output for years
• No finned tubing to collect lime and sediment
• Includes over 2 in of insulation and a flexible thermoplastic jacket that will not dent or corrode and less than 10/hr heat loss
• All connections are on top on the standard units for a neat, clean installation
• Brass drain and relief valves are factory installed
• Standard Honeywell control and well for reliability and easy service
• Low operating cost

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Heat_flo_HF_50_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Heat_flo_HF_40_Specification_Sheet.pdf