this question is vast. if no hot water is not coming out the pipes its possible the pipes can be blocked or the valves are blocked. if the temp is not hot, check wiring to the geyser or the element might need to be changed
air lock in hot water pipe
1,000 psi
YES and No Yes if you are going to be working on the gas water heater and No if you are working on a cold water line and if you are working on a hot water line you can shut off the gas or electric to the water heater so in case your water heater drains but what I usually do is just turn the water heater's water supply valve off.
The hot working of steel can easily be defined as " the mechanical working on steel after heating above the recrystallization temperature" e.g. forging, hot pressing, drawing etc.
Most pilot lights are not adjustable. If it's not working properly the usual solution is to change the thermocouple.
air lock in hot water pipe
The hot water may not be working in your kitchen sink due to a malfunction in the water heater, a blockage in the hot water pipe, or a faulty faucet. It is recommended to check these components to identify and resolve the issue.
Hot water tank not working or a faulty faucet.
Your hot water tank is not working properly or someone used up all the water before you did. If one element is blown on an Electric tank and the other is working, your hot water will not last very long.
The shower's hot water may not be working due to issues with the water heater, such as a malfunction or lack of sufficient hot water supply. It could also be caused by a problem with the plumbing system, such as a blockage or leak in the hot water pipes. Checking these components can help determine the cause of the issue.
There could be several reasons why your kitchen sink's hot water is not working. It could be due to a malfunctioning water heater, a problem with the hot water valve, a blockage in the hot water pipe, or a faulty faucet. It is recommended to check these components or consult a professional plumber to diagnose and fix the issue.
Hot water may not work during a freeze because the pipes carrying the hot water can freeze and become blocked, preventing the flow of water.
The hot water in your apartment may not be working due to issues with the water heater, such as a malfunction or lack of maintenance. It could also be caused by a problem with the plumbing system or a disruption in the supply of hot water. It is recommended to contact your landlord or a professional plumber to diagnose and fix the issue.
If your hot water faucet is not working properly, you should first check if the hot water supply valve is open. If it is open and the issue persists, you may need to check for any blockages in the faucet or the hot water pipe. If you are unable to fix the problem yourself, it is recommended to contact a professional plumber for assistance.
Your hot water heater may be running even when you're not using hot water because it is working to maintain the set temperature of the water in the tank. This is a normal function of the heater to ensure that hot water is readily available when you need it.
To fix a hot water sink that is not working properly, you can try checking the water heater, ensuring the hot water valve is open, and inspecting the sink's faucet for any blockages. If these steps do not resolve the issue, it may be necessary to call a professional plumber for further assistance.
Take it out and dunk it in boiling hot water. If it opens it'a working.