How do you install 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.
How do you attach trap seal primer?
If using trap seal primer, insert connection tube into primer adapter. Otherwise, remove adapter. Apply thread seal tape to threads of primer plug and screw in plug to seal the outlet.
Where does a trap primer go?
Plumbing codes require that trap primers be provided for “emergency” floor drains and other traps subject to evaporation. An example of an “emergency” floor drain is one in a toilet room.
What is a trap primer used for?
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 far can you run a trap primer?
Trap Primer valve makeup line to floor drain is recommended to be a minimum of 12” off the finished floor before a 90° elbow can be installed. The furthest recommended distance of makeup line is 20′ to the floor drain.
How does a pressure drop trap primer work?
Trap-Defender™ is a pressure drop trap primer designed to be connected to any potable cold water line. It is automatically activated when a valve or faucet is opened and the system experiences a drop in pressure. Water is released into the floor drain’s P-trap to maintain a seal.
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.
Is trap primer necessary?
A trap primer is a fitting that drips water into a copper or plastic pipe that is connected to a floor drain P-Trap. It does that so the floor drain does not dry out. They are required so sewer gas does not come out, but they are not always required.
How much water does a trap primer use?
4-8 ounces
A water-supplied trap primer typically uses 4-8 ounces of water at a time. Some models are adjustable. After adding evaporation and multiplying the number of drains in a commercial building, the water use can quickly turn from ounces to many gallons per hour.
Does a floor drain need AP trap?
Floor drains, much like the drains underneath your interior sinks, have a u-shaped pipe underneath them, called a P-trap. A P-trap serves a few different purposes, but the most important one for your floor drains is to create a water barrier so as to prevent drain odors, or insect issues from the adjacent sewer system.
What is a trap seal primer outlet?
A trap primer (or trap seal primer) is a plumbing device or valve that adds water to traps. The trap primer mitigates this problem by injecting water, either directly or indirectly, into the trap to maintain the water seal indefinitely.
How do you remove trap primer?
51 second clip suggested6:46How to replace a trap primer – YouTubeYouTube
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.
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 does a floor drain trap primer work?
Routinely adding water to the floor drain
What is a mechanical trap primer?
Prior to the invention of the trap primer, people would periodically pour water into floor drains to maintain the liquid seal. A trap primer is a device that causes a small amount of water to drain to the trap via piping from the trap primer.