For consumers shopping for the “rectangular” or “square” shaped water heaters, Kuuma offers boaters looking to replace their marine water heater an affordable alternative to other options in the marketplace. Formerly known as Force 10 and now distributed through Camco, Kuuma is an important part of this popular outdoor recreational brand’s growth.
Regularly check the system for leaks. Disconnect the power to the water heater, allow water to cool, and manually operate the T&P valve discharge handle at least once a year. Verify that the discharge port is clear of obstruction and that it flows freely.
You’ll want to drain and flush the tank periodically to ensure the best performance of your water heater and extend the life of the tank. It’s also a good practice to drain and flush for long-term storage or before temperatures hit freezing.
1. Disconnect the power supply to the water heater.
2. Turn off the main water supply.
3. Drain the water heater tank by opening the drain valve. If desired, a garden hose can be connected to the drain outlet to run the water outside the boat.
4. Open the faucet that is highest in the system to allow air to displace the water. It may also help to open the T&P valve once the system has drained to the water heater level.
5. Due to the placement of the drain valve, approximately two quarts of water will remain in the tank. Sediment collects in this remaining water. To remove it, flush the tank with either air or water. Whether using air or water pressure, it may be applied through the water inlet or outlet. The pressure will force out the remaining water and sediment.
6. Close the drain valve, faucet, and T&P valve.
Note: The approximate two quarts of water remaining in the tank after draining will not cause damage to the tank should freezing occur. However, you can add non-toxic, propylene-glycol based anti-freeze which is designed for use in potable water systems. Always follow the manufacturer’s instructions.
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