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40mm / 1.5" Split Union Nut Repair Fitting - 55mm ID

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40mm / 1.5" spa, bath, and heater union split nut suits many products. 55mm ID. 1.5" FPT thread. Used to replace broken or missing unions without cutting the plumbing.


  • LX JA, TDA, DH1.0 (all models)
  • LX Heaters - H15 / H20 / H30
  • Balboa Circulation Pumps
  • Aquaflo Circmaster Pumps
  • Laing Xylem E-14 Pumps
  • Edgetec Triflo pumps
  • Davey QB1502

Note: In some applications, the repair nut may need to be slightly filed out to fit over an existing fitting.

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