Rinnai Hot Water Heater Goes Cold

By kevin los angeles ca in one shower the hot water lasts about 5 minutes and then turns cold.

Rinnai hot water heater goes cold.

Tankless water heaters also take up far less room than their storage tank counterparts and tend to last longer too. Need professional tankless water heater help. Using the hot water it could be the infamious cold water sandwich. You have hot water on demand there is no cause for concern.

But here are the strange things i noticed. When you open the tap you get the hot water in the pipes but back inside the water heater some cold water passes through before the unit ignites and starts heating up. As long as everything is working properly e g. Water goes cold on my rinnai tankless after 3 or 4 minutes then gets hot then goes cold.

According to this when you turn on the heater you receive a warm gush of water initially then a small amount of cold water and then hot water again. Tried flushing with vinegar answered by a verified plumber we use cookies to give you the best possible experience on our website. Hot water is left in the pipes from your last hot water draw. My tankless water heater runs hot then cold then hot again the problem behind the complaint.

Your tankless water heater will feel cold to the touch when the heater unit and pumps are in the rest state and not heating water. This problem happens because the heat exchanger the part that actually heats the water takes a. Tank water heaters store a large amount of hot water and when it s not used promptly the air surrounding the tank can cause it to cool off wasting your energy. There s nothing to worry about.

This flow rate required will change depending on the cold water temperature. Gas electronic continuous flow hot water systems rheem dux rinnai bosch kelvinator thermann. In winter the cold water. If i turn off the shower or just wait with the cold water running about 5 minutes later it is hot again.

Circ logic technology allows you to purchase the pump separately for installation. First off this is a common tankless problem called a cold water sandwich. Gas continuous flow hot water systems require water flow to keep them activated if the water flow gets too low the appliance will turn off. 360 technology is a built in pump and the circ logic technology needed all in one.

Select rinnai tankless water heaters can provide faster hot water by recirculating the water through your plumbing systems so hot water is always available whenever you need it.