What is a trap primer for floor drain?
Trap primers are used in plumbing systems to prevent floor drain traps from losing their water seal by evaporation. Maintaining the water seal will prevent the backflow of sewer gas into the buildings or rooms where the traps are installed.
How do you prime a floor drain?
Pouring a small amount of vegetable or mineral oil into the drain to just cover the trap’s water surface. The oil floats on the surface of the water and creates a liquid seal preventing further evaporation. Mineral oil tends to be a better option, as it does not go rancid, where vegetable oil does.
Do you need a trap seal primer?
Trap seal primers are a necessity where floor drains are infrequently used and in areas such as mechanical and service rooms. In surprisingly little time, evaporation of water in floor drain traps will allow sewer gas to enter the interior of the building.
Where are trap primers installed?
The trap primer valve should be installed vertically at least twelve (12) inches [305mm] above the grid of a floor drain, or the flood rim of the equipment which the trap is to serve.
Where is a trap primer installed?
How do you install drain trap primer?
Install in a frequently used horizontal cold water line above the trap to be protected. The trap primer valve should be installed vertically at least twelve (12) inches [305mm] above the grid of a floor drain, or the flood rim of the equipment which the trap is to serve.
Does a floor drain need a trap primer?
This type of trap primer consists of an automatic timer, electric solenoid valve, vacuum breaker, and a piping manifold with valved outlets, which are each piped to a floor drain trap. Plumbing codes require that trap primers be provided for “emergency” floor drains and other traps subject to evaporation.
How do you install a trap primer?
Most simple method. Used most often with a floor drain trap is a quick connection from a sink that’s closely located.
What is the purpose of a trap primer?
Routinely adding water to the floor drain
Does a floor drain need a trap?
Yes, a basement floor drain does need a trap. Traps keep sewer gases and odors from entering your home and posing threats to your health. Building codes often require floor drains to have traps, and most floor drains have built-in traps. With that query answered, you may have a few more questions about basement floor drain systems.