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PVC Fittings, Pipes & Accessories

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PVC Fittings & Pipe Accessories for Aquatic Systems

Ensure reliable, leak-resistant plumbing with our selection of PVC fittings and pipe accessories designed for aquaculture, pond systems, and aquatic infrastructure. Pentair AES provides durable PVC tees, elbows, couplers, reducers, adapters, and unions to support system layouts, reduce downtime, and simplify maintenance.

PVC fittings play a critical role in directing flow, connecting piping, and tailoring water distribution to your tanks, filtration units, aeration lines, or drain systems. Choose from multiple sizes and connection types to match your installation requirements — ideal for commercial aquaculture, research facilities, and pond setups alike. These fittings offer chemical compatibility, pressure stability, and ease of installation. For a full plumbing solutions overview, see our Quick Disconnect Fittings and Flexible Tubing & Hose categories.
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Diameter (in.)
  1. 1 1 item
  2. 1 1/2 1 item
  3. 1 1/4 1 item
Hole Size
  1. 1 3/16" 1 item
  2. 1 7/16 1 item
  3. 1" 1 item
Inlet/Outlet
  1. 1" FNPT 1 item
  2. 1/2" FNPT 1 item
  3. 3/4" FNPT 1 item
Size
  1. 1 1/2" 21 items
  2. 1 1/4" 15 items
  3. 1" 23 items
  4. 1" x 1" 1 item
  5. 1/2" 21 items
  6. 1/2" x 1/2" 1 item
  7. 1/4" 1 item
  8. 1/8" 1 item
  9. 2" 22 items
  10. 3" 17 items
  11. 3/4" 21 items
  12. 3/4" x 3/4" 1 item
  13. 3/8" 1 item
  14. 4" 13 items
  15. 6" 3 items
Insert Adapter Type
  1. 90 Elbow 7 items
  2. Bushing 5 items
  3. Cap 3 items
  4. Coupling 6 items
  5. Cross 2 items
  6. Female Adapter 3 items
  7. Male Adapter 2 items
  8. Nipple 2 items
  9. Plug 3 items
  10. Saddle 3 items
  11. Sweep 1 item
  12. Tee 11 items
  13. Union 2 items
Bend Radius
  1. 2" 1 item
  2. 3" 1 item
  3. 5" 1 item
  4. 6" 1 item
Color
  1. Black 1 item
  2. White 1 item
Inlet / Outlet
  1. 1/2" Male NPT 1 item
  2. 1/2" NPT x 1/4" NPT 1 item
  3. 1/4" Male NPT 1 item
  4. 1/4" NPT x 1/4" NPT 1 item
  5. 1/8" Male NPT 1 item
  6. 3/4" Male NPT 1 item
  7. 3/8" Male NPT 1 item
Length
  1. 100' 1 item
  2. 50' 1 item
OD
  1. 0.8" 1 item
  2. 1.1" 1 item
  3. 1.3" 1 item
  4. 1.7" 1 item
  5. 1.9" 1 item
  6. 2.4" 1 item
  7. 3.5" 1 item
  8. 4.5" 1 item
  9. 6.6" 1 item
Pipe Size
  1. 1 1/2" 1 item
  2. 1 1/4" 1 item
  3. 1" 1 item
  4. 1/2" 1 item
  5. 2" 1 item
  6. 3" 1 item
  7. 3/4" 1 item
  8. 4" 1 item
  9. 6" 1 item
PSI
  1. 100 1 item
  2. 110 1 item
  3. 130 1 item
  4. 140 1 item
  5. 170 1 item
  6. 180 1 item
  7. 220 1 item
  8. 240 1 item
  9. 300 1 item
  10. 45 1 item
  11. 60 1 item
  12. 65 1 item
Size
  1. 1 1/2" 22 items
  2. 1 1/2" x 1 1/2" x 1" 1 item
  3. 1 1/2" x 1 1/2" x 1/2" 2 items
  4. 1 1/2" x 1 1/2" x 3/4" 2 items
  5. 1 1/2" x 1 1/4" 4 items
  6. 1 1/2" x 1" 3 items
  7. 1 1/2" x 1/2" 2 items
  8. 1 1/2" x 2" 1 item
  9. 1 1/2" x 3/4" 2 items
  10. 1 1/4" 11 items
  11. 1 1/4" x 1 1/4" x 1/2" 1 item
  12. 1 1/4" x 1" 2 items
  13. 1 1/4" x 3/4" 1 item
  14. 1" 22 items
  15. 1" x 1" 1 item
  16. 1" x 1" x 1/2" 2 items
  17. 1" x 1" x 3/4" 2 items
  18. 1" x 1/2" 3 items
  19. 1" x 3/4" 4 items
  20. 1" x 3/4" x 1" 1 item
  21. 1/2" 20 items
  22. 1/2" x 1/2" 1 item
  23. 1/2" x 1/2" x 1/8" 1 item
  24. 1/2" x 1/4" 2 items
  25. 1/2" x 1/8" 1 item
  26. 1/2" x 3/4" 1 item
  27. 1/2" x 3/8" 1 item
  28. 1/4" 1 item
  29. 1/8" 1 item
  30. 2" 22 items
  31. 2" x 1 1/2" 4 items
  32. 2" x 1 1/4" 2 items
  33. 2" x 1" 2 items
  34. 2" x 1/2" 2 items
  35. 2" x 2" x 1" 1 item
  36. 2" x 2" x 1/2" 2 items
  37. 2" x 2" x 3/4" 2 items
  38. 2" x 3/4" 2 items
  39. 3" 14 items
  40. 3" x 1 1/2" 2 items
  41. 3" x 1" 2 items
  42. 3" x 2" 2 items
  43. 3" x 3" x 1 1/2" 1 item
  44. 3" x 3" x 1" 1 item
  45. 3" x 3" x 2" 1 item
  46. 3/4" 19 items
  47. 3/4" x 1" 1 item
  48. 3/4" x 1/2" 5 items
  49. 3/4" x 1/4" 1 item
  50. 3/4" x 3/4" 1 item
  51. 3/4" x 3/4" x 1/2" 3 items
  52. 3/4" x 3/8" 1 item
  53. 3/8" 1 item
  54. 4" 10 items
  55. 4" x 2" 1 item
  56. 4" x 3" 1 item
  57. 4" x 4" x 2" 1 item
  58. 6" 1 item
Type
  1. 6" Nipple, Gray Schedule 80 PVC 1 item
  2. Cap (FNPT) 2 items
  3. Cap (Slip) 1 item
  4. Close Nipple, Gray (MNPT) Schedule 80 PVC 1 item
  5. Coupling 3 items
  6. Coupling (FNPT x FNPT) 1 item
  7. Coupling (Slip x Slip) 1 item
  8. Crosses (Slip) 2 items
  9. Female Adapter (Slip x FNPT) 2 items
  10. Female Adapter Reducing (Slip x FNPT) 1 item
  11. Insert Adapter (Insert x Slip) 3 items
  12. Insert Adapter (Insert x Spig) 1 item
  13. Long Sweep 1 item
  14. Male Adapter (MNPT x Slip) 1 item
  15. Male Adapter Reducing (MNPT x Slip) 1 item
  16. Plug (MNPT) 3 items
  17. Reducer Brushing (Spig x FNPT) 1 item
  18. Reducer Bushing (Spig x Slip) 1 item
  19. Reducer Coupling (Slip x Slip) 1 item
  20. Reducing Tee (Slip x Slip x Slip) 2 items
  21. Reducing Tees (Slip x Slip x FNPT) 1 item
  22. T.T. Bushing (MNPT x FNPT) 1 item
  23. Tee (FNPT x FPNT x FPNT) 2 items
  24. Tee (Slip x Slip x FNPT) 2 items
  25. Tee (Slip x Slip x Slip) 2 items
  26. Tees 2 items
  27. Union (FNPT x FNPT) Schedule 80, with O-Ring 2 items
Price
  1. $0.00 - $10.00 55 items
  2. $10.00 - $20.00 6 items
  3. $20.00 - $30.00 1 item
  4. $50.00 - $60.00 1 item
  5. $80.00 - $90.00 1 item
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