Many modern water heaters have built in heat traps to limit the migration of hot water.
Water heater inlet pipe hot.
To replace the pipe you need to go for a pipe cutting tool which will help you to cut the pipe that you wish to replace.
So a 3 4 inlet pipe would be the minimum for most homes.
After applying pipe thread tape to the mip nipples on your water heater thread the fip end of the water heater connector onto the tank and tighten with channel locks.
The outlet seems to be fine.
The hot water fixture rating of a bathroom is 1 5 fixture units and a kitchen with sink and dishwasher adds 1 9 fixture units that s 3 4 already and we haven t even added a laundry at 1 8 fixture units.
I have read the copper pipe and galvanized steel will cause this and i assumed this was the issue.
Turn off the heater completely and close all the hot water faucets in the home.
Two circulating water through the heatin boiler heat exchanger or a side arm coil to heat the water in the tank and a cold water inlet from the building water supply along with a hot water outlet supplying building water fixtures.
More specifically the nipples are what is corroding.
The water heater nipples on top of the water heater which connect the water heater to the cold water inlet pipe and to the hot water exit pipe is another common place to find leaks.
Attach the red fitting to the hot water outlet with the arrow pointing away from the water heater.
A range boiler typically has four pipe connections.
Apollo 18 in 3 4 in fip inlet x 3 4 in fip outlet stainless steel water heater connector.
There is corrosion forming on the inlet and tp valve connections to my water heater.
It is normal for the incoming cold water pipe to get a little warm due to convection that is hot water rising in the tank.
Apollo inlet outlet stainless steel water heater connector.
Tighten using two pipe wrenches or adjustable pliers.
However hot water five feet back on the supply line is not normal.
The threads are the thinnest part on the nipple and it is not unusual to find leaks in them.
Attach the blue coded fitting to the cold water inlet with the arrow facing into the water heater.
Sharkbite water the 3 4 in.
Also copper piping is a good conductor of heat.