My 2 year old hot water heater is leaking at the relief valve, i removed it and replaced it,?

it is still leaking at the coupleling, what now? it seems to be leaking where the male end comes out of the water heater pressure relief valve
i sealed the threads with pipe dope and pipe tape

ur question is incompatible with the statements given. If u replaced the valve it should be closed unless it wasnt ever set. If it leaks where the male end comes out of the valve at a coupling then fix it. Clean it very well and try re-applying some more solder. Cleanliness is key. A wire brush is useful if u cant get it to stick. (a clean, new one)
But your problem is if the valve was right u never should 've discovered a leak outward of the valve itself. Call a plumber...Fixed in 15 mins.

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Relief Valve Article

Air Compressor Valves - Ordinary Air Compressor Pump Management and Troubleshooting

Air compressor pumps are machines used to transform electric power or gas power into kinetic energy by constantly compressing and pressurizing the air within. Employed for a wide range of functions from simple operation of household tools such as nail guns, power wrenches, and sprayers, to transportation purposes like in cars and boats, and to medical, pharmaceutical, and food applications, this condensed air is an essential element in a person's everyday existence. However, when the functioning of an air compressor looks to be less than normal, it can be difficult to acquire the desired result. One great way to resolve this issue is by troubleshooting the numerous parts of the unit like air compressor valves, the check, relief, pneumatic valves, for instance.

Future air compressor troubles can be lessened or even avoided with appropriate upkeep. One of the ideal ways to manage your air compressor tank's strength is by ensuring to drain the water from the tank every few times you make use of it. Typically, for simpler draining, most air compressor pumps have a drain valve, which is situated beneath the unit. By preventing water to accumulate within the tank for a prolonged time, it will help minimize corrosion and degradation of the internal walls of the tank. Also, water will use up more space than air inside which will lower the pressure generated.

One common blunder most people make is to leave behind their air compressors in a filthy, cold, or damp place such as the backyard. A clean, warm ,and dry location would be finest to maintain your pump. This way, the build up of dirt and other particles in the air compressor relief valve, the air compressor check valve, or any other valves or gaskets can be avoided that will in turn stop impending concerns. It would also benefit you to regularly wipe away any dirt or particles on the device after every use, particularly on the valve areas.

Last but not least, a big difficulty frequently stumbled upon by many air compressor users is the leaks. Quite often, welding would be needed if the leak is due to a tear in the metal wall. However, if the leaks result from defective air compressor valves, then by buying a new valve air compressor will operate regularly again. Of course, you should establish first what is the trouble that is causing the leak before obtaining various check, relief, and pneumatic valves from your nearest home depot. This way, you can stop making unnecessary purchases which will save you some money.

An air compressor is an effective yet delicate machine. Without standard care, its productiveness will be negatively affected and it may even completely malfunction. Knowing how to maintain and even troubleshoot your air compressor can come in handy, especially at the time you least expect it.
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