Skip to content
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

Language

The Magic Plastics 121108025 Split Nut Union is a reliable connection for 2 1/2-inch plumbing and a 3-inch inner diameter heater. This union features both female buttress thread (fbt) and large flange connections for metal housings on either side, meaning it can accommodate 3", 3-1/8" and 2-1/2", 3-1/8" plumbing connections. It is an easy-to-use connection that ensures a tight fit and leak-free installation.

  • Heater Union Part Type - Split Nut
  • First Plumbing Connection Size - 3", 3-1/8"
  • First Plumbing Connection Type - FBT, Large Flange (For Metal Housings)
  • Second Plumbing Connection Size - 2-1/2", 3-1/8"
  • Second Plumbing Connection Type - FBT, Large Flange (For Metal Housings)

Fitment guidelines:
For 2 1/2-inch plumbing connection and a 3-inch inner diameter heater.

Blog posts

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare