My rinnai x2 wasn t working on my new house very well either.
New hot water heater not working.
Possible reasons for the malfunction include.
The upper thermostat on an electric water heater actually controls both the upper and lower heating elements.
Several signs could indicate your water heater may be failing.
The elements cost between ten and twenty dollars.
Water buildup in or around your water heater water quality issues or a reduction in the temperature or supply of hot water.
Most hot water heaters have two of them.
If you have no hot water there are several possible reasons and you need to work through each of them methodically to eliminate each one and this will also depend on whether you have an electric or gas powered heater.
The lower thermostat controls only the lower heating element so if it fails but the upper thermostat works the result is hot water not getting hot enough.
Can you change one yourself.
It would give about 1 5 minutes of warm followed by cold.
Turn the power back on to the water heater 5.
Turn off the power to the water heater.
However if that is not the cause of the problem it s not difficult to troubleshoot your water heater to locate the issue.
Put the top service cover back on.
To troubleshoot why your water heater does not get hot water.
Turn water off for 20 seconds then back on for 30 seconds of cold water.
Electric hot water heater troubleshooting article topics.
Repairing a hot water heater element.
The most obvious reason an electric heater doesn t work is that it s not receiving any power.
This causes the dreaded hot water not working situation.
An in home inspection can help determine whether or not you need to install a new water heater.
Remove the top service cover to the top element and press the red reset button 3.
The hot water heater elements can go bad over time and stop working.
If it trips again then the upper and lower stats should be replaced.
First check the water heater s circuit breaker in the service panel to make sure it hasn t tripped.
An absence of hot water generally occurs as a result of all the hot water in the tank being used up for example by running both the washing machine and dishwasher at the same time.
A water heater that produces no hot water may not be getting power or it may have a tripped limit switch or one or more failed heating elements.