Unused marine-grade electric direct-fired water heater for shipboard use.  This is a very high-quality shock and vibration rated unit that was made to the highest standards for the Navy. Its ideal usage would be on a sea vessel but could be used any place that needs 400 GPH at 60 deg F rise. The heater is in unused excellent condition with only a very minor ding in the sheet metal on the lower rear section.

• 25 gallon
• 200K BTU
• Flow capacity
• 396 GPH at 60 deg F rise
• 297 GPH at 80 deg F rise
• 238 GPH at 100 deg F rise
• The tank is either copper-silicon or copper-nickel, the shroud is SS
• Copper silica heating elements
• Top-mounted inlet and outlet - 1.5" flange
• 5 1/8" OD
• 1 3/4" ID
• 6 hole - 4" bolt circle
• Includes relief valve set to 85 PSI, special melt plug melts above 170 deg F.
• Uses three replaceable heater elements:
• F-20443ES
• NSN - 4410008038891
• Part numbers:
• 17723
• 17718
• Dual temp switches
• Detroit Switch
• 90-180 deg F
• NH 2 Low
• Current setpoint is 130 deg F