Why Does My Tankless Water Heater Go From Hot To Cold. To get good quality hot water, you should use a water softener. 6 possible reasons for your tankless water heater to go cold after a few minutes.
1 insulating water pipes. Your inlet side (should be with the one with the valve) feeds cold water to the heater, the outgoing side. It clears the path for a valve to supply water.
General Information Tankless Water Heaters
The mineral buildup in the heat exchanger of. If your rinnai tankless water heater is going cold, there are a few potential reasons why. It clears the path for a valve to supply water. Not only does insulation help to keep the water.