American Spa Parts (2) 2" Heater Union Split Nuts Kit with Gasket O.D. 3 1/4";

You are buying a Kit which includes (2) 2" Heater Split Nuts, (4) Screws and (2) Gaskets for use with a 2" Heater Tube & Union. The Heater Flange Split Nut mounts to the heater tube using 2 screws to hold it in place and screws onto the heater threaded union with a gasket between the union and tube. If your plumbing is 2" and your heater is 2" this part is correct. This version is the most popular version. 1 1/2 x 1 1/2 is 2nd most popular and 1 1/2" X 2 is 3rd most popular.This part is used in hot tubs to plumb a heater tube to a heater union. We have plenty of these. Note: The Heater tube in pictures is NOT included!! Look for our YouTube video about this union called "Hot Tub Spa Part 2" Heater Split Nut Information How To" PLEASE NOTE: We did a lot of extra work with pictures and measurements so please do your part and measure your old part to be sure it is correct.. This will save us all some time and money.. Thanks..