This Waterway adapter fitting converts a 2" threaded wet end connection (approximately 3" edge to edge) to accommodate a 2-1/2" inside threaded pump union (approximately 3-5/8" ID). Essential for connecting mismatched pump and plumbing thread sizes in your hot tub or spa system.
Specifications:
- First Plumbing Connection Size: 2"
- First Plumbing Connection Type: Female Buttress Thread (fbt)
- Second Plumbing Connection Size: 2-1/2"
- Second Plumbing Connection Type: Male Buttress Thread (mbt)
- Union Fitting Part Type: Adapter
- Manufacturer: Waterway
- O-Ring: Not included (requires separate O-Ring Heater or Pump Union 2-3/8" ID 1/8")
Perfect for spa technicians and DIY hot tub owners needing to bridge different union sizes during pump installation or replacement.