2″ Union Nut, Self-Aligning|415-5090

🔧 What this part is

Waterway Plastics 2" Union Nut, Self-Aligning, part number 415-5090. A union lets you disconnect a pump, heater or filter without cutting pipe.

Size as listed: 2"; connections: union.

✅ Check before you order

• Measure the part you are replacing – this one is listed as 2".
• The connections have to match: union.
• The number on the old part should read 415-5090, or the maker’s equivalent.
• Not sure? Send us a photo of the old part and any number on it, and we will tell you whether this is the one.

🔧 Parts and fittings for this

	Part	Our part number	Availability	Price
	Self Aligning Union, WW In-Line Chlorinators, 2"s x 1-1/2"s	400-5200	Available to order	$10.74	Add to cart
	Union, Self-Aligning 1-1/2" Slip x 1-1/2" Slip	400-3090	85 in stock	$18.04	Add to cart
	2" Socket Buttress Tailpiece, Self-Aligning	417-5210	1 in stock	$3.70	Add to cart