Turned off the main water to install a new sink, after we turned it back on there is no hot water in one shower upstairs and very little hot water in one of the other showers. Fixing tankless water heater problems No hot water. I've even had all the taps on in the house run dry then go back to the job and the water is still flowing (only a trickle though) It never actually stops even after several hours thinking it's just whats left in the pipes. Open the panel and press the red “reset” button. Once I turn the valve back on to let the water flow back into the house, after about ten minuets the water gets cold again even though the heater is still burning. The next step is to check the high-temperature cut-off. Check to see if the water … Once the air is gone and water is running smoothly, turn the breaker back on. “Each water heater has two elements, one at the top and one at the bottom, and if the water drains down and exposes the top element, that’s when it gets too hot and basically dry fires and shorts out and that would cause this element to no … If the breaker has tripped, switch it off, then switch it back … You may also have to replace the fuse if it has blown. Checked the hot water . The stem is stripped and is just turning. First check the cold water as well to ensure it’s not a problem with your supply. Re: No hot water in entire house after repairing one faucet Simple test. If it’s just the hot water with no flow check near your hot water … Sound familiar? Stack … No hot water. Welcome to one of the most frustrating day-to-day plumbing issues: low hot water pressure. It comes in spurts, not … With the tank having the cold water … If the hot water shut off valve, gate valve just turns and turns, then the valve is broken. They tend to break in a closed position. Open the hot water outlet valve by turning it all the way counterclockwise and make sure the heater is working. The first things you should check are the correct supply of electricity, water, and gas to the water heater. If it has, it’s an easy fix – simply turn it off and turn it back on again. You want to quickly do the dishes, but it takes an excruciatingly long time to fill up that sink. No hot water is one of the most common problems in water heating systems. Make sure that the shut-off valve, is not … The gate / wedge of the valve is lodged in the body. Did you turn on the hot water tap only to see little more than a dribble? Hot Water Problem #4: You have no water at all. The 8 Causes (and Fixes) of Low Hot Water Pressure. You turn on that hot tap, but it's not a satisfying shower. 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