The Balboa Black Heater Union Split Nut with Screws is a replacement heater union component used in compatible spa plumbing and heater assemblies. Split nuts are useful when servicing heater unions because they can often be installed without fully disassembling surrounding plumbing, helping restore a secure connection around the heater fitting. Use this part when the original heater union nut is cracked, stripped, broken, or no longer tightening properly. Confirm the heater union size, style, color, and part number before ordering to ensure correct fit. Replacement Balboa heater union split nut Black split nut design with screws included Useful for repairing cracked or damaged heater unions Helps secure compatible heater plumbing connections Verify part number 50086 before purchase
