Acme threads are stronger than pipe threads and prevent cross threading.
Floor drain with trap primer connection.
In infrequently used floor drains where such a primer does not exist evaporation can be mitigated a few different ways.
Zurn fd2340 medium duty floor drain features 6 round cast iron top assembly pvc body and clamp collar 1 2 trap primer connection and 3 solvent weld outlet.
Trap primers are used in plumbing systems to prevent floor drain traps from losing their water seal by evaporation.
Zurn z1023 trap primer connection dura coated cast iron body with 1 2 13 female thread side inlet trap primer connection.
A trap primer is a device that causes a small amount of water to drain to the trap via piping from the trap primer.
On grade adjustable floor drain sch.
N provide a trap primer connection when the floor drain and p trap are not tapped n allow the fitting flexibility to be rotated in any direction prior to bonding offering a quick and cost saving installation n trap primer connection sizes types 1 2 inch npt female 1 2 inch od copper compression 5 8 inch od copper compression.
Ductile iron head adapter available.
Square ring is great for floor tile.
For a water supply fed type trap primer this happens automatically based upon a water pressure drop when there is flow within the potable water piping system such as using a sink faucet flushing a toilet etc.
Pre threaded trap primer port for knockout connection.
40 hub adapter available in abs or pvc.
For use in pedestrian traffic areas.