Here is a Doorbuster 2 Pack Special of 2" Spa Heater Split Nut Unions & (2) Heater Gasket / O-Rings for Heaters made for Balboa, Gecko, Hydro-Quip and many others. As along time Spa Service Company, when replacing Split Nuts, we always replace the Gasket/Oring. (2) 2" Waterway Plastics Heater Split Nut Unions & (2) 2" Heater Gasket / O-rings. Actual Split Nut Measurement: 2.9" Actual Oring Measurement: 2.9" Fits 2" Heater Assemblies Made by Balboa, Gecko, HydroQuip, Spa Builders, Correctech and Others.
- Including 2 pcs Heater Split Nut Unions with Screw , 2 pcs Heater Gasket / O-rings
- Split Nut Measurement：The inner size is 2.3 inch, the outer size is 2.9 inch,fits 2" Heater Assemblies
- Actual Oring Measurement：The inner size is 2.08 inch, the outer size is 2.87 inch，O-ring fits for Balboa,Gecko,HydroQuip,Spa Builders,Correctech,Spanet,not fits LX Heater
- Attention！！！the O-ring fits for Balboa,Gecko,HydroQuip,Spa Builders,Correctech,Spanet,not fits LX Heater
- Pls not choose the same size as your Pipe,because the same size will be too tighten to be installed.
- Including 2 pcs Heater Split Nut Unions with Screw , 2 pcs Heater Gasket / O-rings
- Split Nut Measurement：The inner size is 2.3 inch, the outer size is 2.9 inch,fits 2" Heater Assemblies
- Actual Oring Measurement：The inner size is 2.08 inch, the outer size is 2.87 inch，O-ring fits for Balboa,Gecko,HydroQuip,Spa Builders,Correctech,Spanet,not fits LX Heater
- Attention！！！the O-ring fits for Balboa,Gecko,HydroQuip,Spa Builders,Correctech,Spanet,not fits LX Heater
- Pls not choose the same size as your Pipe,because the same size will be too tighten to be installed.
