ELEMENT LENGTH:
IN THIS SECTION, WE SHOW VARIOUS SIZES AND SPECS TO HELP IN IDENTIFICATION.
THESE MAY VARYSLIGHTLY FROM THE ORIGINAL ELEMENT. IF AN ELEMENT MEETS ALL THE OTHER SPECS, YOU MAY REPLACE A LONGER ELEMENT WITH A SHORTER ONE.
NPT THREAD SIZE:
MANY ELEMENTS LISTED IN THIS SECTION USE NATIONAL PIPE THREAD (NPT) SIZES.
1. A 1" NPT ELEMENT ACTUALLY MEASURES
1¼" ACROSS THE THREADS.
2. A 1¼" NPT THREAD ACTUALLY MEASURES
19/16" ACROSS THE THREADS.
3. A 2" NPT THREAD ACTUALLY MEASURES 2 3/8" ACROSS THE THREADS
