The relief valve is a spring-loaded contraption. However, there’s a faster fix that you might be overlooking. The quickest fix would be to replace the valve and install an expansion tank to boot. Right about this point, you’re probably tired of fixing the leak. Video can’t be loaded because JavaScript is disabled: Water Heater – Pressure Relief Valve | Repair and Replace () How Do You Stop a Relief Valve From Leaking? If you notice a leak after checking the valve, it’s time to replace the valve.Repeat this a few times, noting if any water comes out from the overflow drainpipe.Ĭhecking if the relief valve is working is helpful for two things. It tells you whether the problem is with the valve or not. Now, flip the lever for about five seconds and close it. Place a collection pail under the overflow drain pipe for the outflowing water. Flip the lever open once to let off some pressure.Whether you decide to do it yourself or call a plumber, first turn off the power and the gas. Your heater probably has a dedicated shut-off switch. Turn the gas valve to ‘Pilot’ or ‘Off’ if you have a gas hot water tank. For an electric heater, shut off the power from the main circuit breaker. ![]() Alternatively, have a licensed plumber check the valve during maintenance. You can wait until it’s cold before checking the valve. The water in the heater will likely be hot most of the time. Make sure you safely conduct any checks every time.Here are the steps in testing a water relief valve: These factors are why it is crucial to test if the relief valve works. Other factors include rust, corrosion, and debris in the seal. Extreme weather conditions such as super cold winters can make the valve not perform to its best potential. The relief valve doesn’t always have a problem for it to leak. However, on the off chance that you can still salvage your tank and you can repair the relief valve, you need to do it as soon as possible. The tank cannot drain water, and the pressure in it only makes the situation worse.Īt this point, your options are limited to just getting a heater replacement. It means your heater has taken so much damage from the pressure that the lining has become weak, and it’s breaking. Leaking from the tank should be a cause for alarm. Also, it can be a sign of a bad thermostat that cannot control heat.Ī loose relief valve cannot hold pressure. Continuous leaking could be from constant overheating or excess pressure and not enough release. However, if it leaks after fixing or when it’s not under any pressure, you might have a bad valve. At this point, you might need a professional plumber to tell you if it’s up for repair or replacement. This is a risky stage of the heater’s breakdown. If the damage continues and the sediment isn’t flushed, it shows up in your outlet taps. The debris accumulates and disintegrates in the tank. Excess pressure tends to wreck the tank’s internal lining. Sediments in the Water From Your Outletsĭirt or debris in your water hot water outlets is a sign that your valve is overdue for replacement, and your heater has been taking continuous internal damage. It could be putting your water heater at risk of explosion. That also means it is releasing less pressure. These noises over time mean the valve isn’t opening and closing as it should. However, If you notice a persistent rattling or high-pitched whistle, it might be a sign of pressure trying to escape the heater. Your water heater occasionally makes weird noises due to what’s in the tank. Video can’t be loaded because JavaScript is disabled: Hot Water Heater Relief Valve Leaking () Excessive Persistent Noise
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