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The Best 3 Inch Split Nut Union of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 3 Inch Split Nut Union of 2023. Check our ranking below.
2,343 Reviews Scanned
- Split Nut, 2-1/2", Heater.
- Package Include 1 pcs Heater Split Nut Unions with Screw , 1 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.
- 【Hot Tub Union Gasket Compatibility】- Spa heater union nut for balboa 2" heater split nut (actual size 3 inch), also replace for Gecko, Coleman, HydroQuip, Spa Builders, Correctech, Spanet, not fits for Coleman Saluspa and LX Heater series.
- 【Hot Tub Union Split Nut】- 2 inch union is used in hot tubs to do an emergency pump union repair, for a heater to pump connection, fix a leak at the spa.
- 【Installation】- To install this split nut union you will have to remove the old broken pump union flange nut. This nut can be cut off with a hack saw blade or some cutting pliers if the nut is split enough. Be careful not to cut the pump union glued body when cutting the nut off.
- 【Hot Tub Union Gasket】- Heater union gaskets are rubber seals that are used to connect two parts of a heater together. Union gasket are typically placed between the heater's flange and a union. They provide a secure seal to keep the connection between the two parts leak-proof and also prevent any debris or contaminants from entering the system.
- 【2 inch Split Union Nut】- Includes (2) heater split nuts, (2) gaskets and (4) screws for use with a 2" heater tube & union. Split nut which includes split nut for hot tub split nut and screws for use with a 2" Pump Union.
- Fit for Hot Tub Parts:The spa heater union replacement for balboa heater split nut, compatible with 2" Heater Assemblies,(actual size 3 inch),Also replace for Gecko, Coleman, HydroQuip, Spa Builders, Correctech, Spanet, not fits for Coleman Saluspa and LX Heater series,Fits Most 15" Spa Heaters.
- High Quality for Balboa replacement parts: Our replace for Balboa 2" split nut union is made from high-quality, durable materials and manufactured to strict quality control standards that meet or exceed OEM specifications.
- Easy to Install: A drop-in replacement for spa spa heater union with Screw, it's easy to install and saves you valuable time.hot tub split nut usually for a heater to pump connection,Perfectly sealed the leak in the spa.
- What you Get: The hot tub parts include 2 X balboa heater split nut, 2 X gaskets, 4 X screws.
- After Buying Service: If you have any questions about our replacement hot spa pump unions.Please note that we are always here to help. Please contact us.
Last update on 2025-07-05 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Can a uni nut be used as a split nut?
A: Although there may sometimes be exceptions, the Uni-Nut® is generally not a replacement for split nuts due to different flange sizes 89-238-1055 – 2 Inch mpt Tailpiece For Sol/Split Nut (NO O’ring. Use part 90-423-5229) – 417-5140 – UPC – 806105085757 – 89-238-1055
Q: How to measure for a split nut replacement?
A: How to Measure for a Split Nut Replacement. Measure the Inside Diameter (ID) of your current “CLOSED” split nut or regular nut. If it measures: 2-7/16″ then you need a 1-1/2″. 3-1/16″ then you need a 2″. 3-11/16″ then you need a 2-1/2″. SPLIT NUT UNIONS.
Q: Can a uni nut be used on a 5kw heater?
A: The black retainer is generally used on 1-5/8″ tube while blue retainers are used on 5.5kW heaters. Red retainers usually denote heaters of other wattages. Although there may sometimes be exceptions, the Uni-Nut® is generally not a replacement for split nuts due to different flange sizes
Q: What’s the difference between black and Blue UNI nuts?
A: UNI-NUTS. The Uni-Nut® is a one-piece nut that can be tightened by hand and changed in the field by removing a color-coded retainer. The black retainer is generally used on 1-5/8″ tube while blue retainers are used on 5.5kW heaters. Red retainers usually denote heaters of other wattages. Although there may sometimes be exceptions,…