If you do not open hot water enough, the temperature will not be stable so please be sure to first open the hot water faucet and adjust the temperature with water.

※ If the way to put out hot water is inadequate, it will cause a change to water on the way.

When the hot water becomes cold, please stop water and try out the hot water again

If there is a problem with running out of water or (water pressure is weak), please make sure that the water faucet is open till fully open.

▼Water faucet Please click here

▼Hot water faucet Please click here

If there is no change after trying those procedures above, there might be a malfunction in water heater.
We will arrange for the inspection and repair, so please inform us through Inquiry form or contact service center.