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.
Where is a trap primer normally utilized?
basement floor drains
Where is a mechanical trap seal primer installed?
The flush-valve-operated trap seal primer gets its name from its installation (see Figure 1007.1c). It is placed below the flush valve on a water closet or urinal and connects to the floor drain by a tube so that the tube can catch some of the water discharged from the flush valve.
What is a trap primer connection?
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.
Is a trap primer necessary?
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.Nov 28, 2017
Where do you put trap primer?
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 does trap seal primer work?
Trap seal primers provide a supply of water to replenish the deep seal or “P” trapP” trapIn plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials to pass through. ... In domestic applications, traps are typically U, S, Q, or J-shaped pipe located below or within a plumbing fixture.https://en.wikipedia.org › wiki › Trap_(plumbing)Trap (plumbing) - Wikipedia of a drain to prevent sewer or potentially explosive methane gas from entering the area through the floor drains.
How much water does a trap primer use?
4-8 ounces
How many traps can a trap primer serve?
Singular electronic trap primers can be used to prime 1, or up to, 4 floor drain traps with optional distribution unit. Electronic Trap Primers deliver a timed discharge of water to the floor drain P-traps to ensure the traps maintain a water seal.
What does a trap primer do?
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 many traps are needed for a fixture?
6 Number of Fixtures Per Trap. Each plumbing fixture shall be separately trapped by a water seal trap.
Do trap primers fail?
Plumbing installations including a trap primer can be expensive to install initially and often require maintenance due to failure. When a trap primer fails, sewer gas, bugs, and unpleasant odors can enter the building through the drain.