Is it OK to use galvanized pipe for water heater?
Galvanized metal is commonly used in construction, but pipes made from galvanized steel can be used in plumbing applications. This particular type of pipe is best used for water lines, as gas lines can cause the zinc to corrode and damage the pipe or block the entire system.
Is galvanized water pipe bad?
What Is Galvanized Pipe? Galvanized pipes are steel pipes that have been coated with zinc in an attempt to prevent rust and corrosion. Unfortunately galvanized pipes corrode and rust on the inside after years of exposure to water, which is bad news for your plumbing considering how frequently water runs through it.
What kind of vent pipe do I need for my water heater?
For natural draft type just use galvanized steel pipe and don’t experiment with aluminum pipes, food cans with removed both ends, stainless steel sections, blue stove pipes, high temperature plastic tubing, flexible pipes…, etc. Make the vent pipe section between the water heater and the chimney as short and as straight as possible.
What should a water heater discharge pipe be made of?
It is critical that discharge pipes meet the following requirements, which can be found in InterNACHI’s Water Heater Discharge Piping mini-course, at A discharge pipe should: be constructed of an approved material, such as CPVC, copper, polyethylene, galvanized steel, polypropylene, or stainless steel.
How big should an exhaust pipe be in a hot water heater?
Measure the diameter of the exhaust pipe leaving your hot water heater. If it is a 3-inch-diameter pipe, the inside cross sectional area of the chimney flue liner should not exceed 49 square inches. If the exhaust pipe is 4 inches in diameter, the flue liner cross sectional area should not be larger than 88 square inches.
Is the draft hood of a water heater the same as the vent?
Gas water heater draft hoods come in different sizes, and if you are replacing water heater, make sure, that the draft hood and the water heater vent pipe match each other.
Do you need threaded pipe for a water heater?
If you have unthreaded galvanized pipe you need threaded pipe to be able to connect to your water heater. Local plumbing code will help to determine the connection type you need.
For natural draft type just use galvanized steel pipe and don’t experiment with aluminum pipes, food cans with removed both ends, stainless steel sections, blue stove pipes, high temperature plastic tubing, flexible pipes…, etc. Make the vent pipe section between the water heater and the chimney as short and as straight as possible.
Can a galvanized pipe fit over an iron pipe?
Yes. It fits over the pipe and has rubber gaskets to seal it. As long as you’re able to get past the threads, you should be okay. You want to have clean edges, as much as possible. I have a cut off 3/4″ galvanized pipe. How would I connect anything to it.
Gas water heater draft hoods come in different sizes, and if you are replacing water heater, make sure, that the draft hood and the water heater vent pipe match each other.
