Product DetailsNew Whale Seaward HF2000 (HF-2000) horizontal marine water heater for use on boats. Tank size is 20 US gallons. This is a combination water heater and can run on engine coolant heat exchange, 120 volt AC, or both. Actual product dimensions are 16″ wide by 31″ long by 16″ high (including length of hold down brackets).
- Thermostat regulates electric heating element temperature at 140 degrees F.
- Heat exchanger barbs (5/8″ O.D.) and all fittings are on the front of the unit.
- Cold water supply and hot water outlet are 1/2″ NPT
- Inner tank is made from Alcoa Alclad aluminum.
- Exterior is Marine Galvanized Steel.
- Temperature pressure relief valve.
- Large 3/4″ drain valve.
- Hold-down brackets are securely welded to inner tank.
See this specifications PDF for more details on this and other Seaward water heaters. If this water heater is not the correct one for your, find my other Seaward water heaters here.