Water Heater Mixing Valve Problems

Atwood has tried to make the valve tamper proof.

Water heater mixing valve problems. The cold and hot mix points are prone to liming up. The problem was the mixing valve. One for the volume of water and one for temperature. Our navien nr 240 tankless water heater showed a 045 error code shortly before the mixing valve began to leak.

Not hot enough for showers or doing dishes. At such times mixing valve troubleshooting is necessary. That point is typically in the mixing tempering valve. I urge you to try and carefully remove the guts of the mixing valve and clean it in white vinegar with a toothbrush.

The thermostatic valve has a cold water inlet a hot water inlet and an outlet with water at the required temperature which you can set and lock on the valve. That lime is from water hardness and it collects when heated to a certain point. In this video we ll walk through removing and. Therefore if you turn the valve all the way to hot water comes out at the same temperature as a water heater that was set too high.

The shower drips if the water is completely turned off and warm water is dripping from your shower head then it could be that your hot water mixing valve has a problem. The mixing valve is on the back of the water heater and mine has a red knob. Thermostatic valves on the other hand have two controls. To solve this problem the hot water heater is kept at a higher temperature and when you open a faucet the mixing valve will add a little bit of cold water to cool down the hot water we receive at the fixture.

Sometimes when mixing valve problems arise it can lead to complications with the water flow or water pressure. Only the ratio of hot to cold. The problem with these valves is that they don t sense the temperature. You are going to need to divert the hot water feed 1 and the cold feed 2 to the water heater through the thermostatic valve 4.

The mixing valve ball may not be seated properly in the valve s stem and water is escaping. Plus labor at the dealership. I bought my excel used over a year ago and have not had hot water over 100 degrees since i ve had it. Replacing the mixing valve is the best solution.