Hot Tub Split Nut Fittings For Balboa Gecko Heater Unions 2 Inch Spa Replacement Parts Kit With Screw O Rings Fits Actual 2 Inch Heater Assembly 2 Pack

2-Inch Heater Split Nut Fittings for Spa Unions (2-Pack)
✔️ Includes 2 split nuts with screw O-rings for 2 in unions

These hot tub heater split nuts provide a leak-proof link between the heater body and its 2-inch union, ideal for spa and hot tub repair projects. They fit a wide range of 2-inch heater components and come in black to match most assemblies. Not compatible with inflatable spas or some Coleman Saluspa/LX models.

✅ Outer diameter 3.35 in (85.1 mm); inner diameter 2.30 in (58.4 mm)
✅ Thread type: 2 in MBT buttress for common pump and heater connections
✅ Includes screw O-rings for a secure, leak-proof seal between flange and union
✅ Color: Black; pack size: 2 fittings per kit
✅ Suitable for 15-inch heater assemblies; not for inflatable spas

💡 What is a hot tub heater split nut fitting used for in spa plumbing? This handy connector helps join heater to the union and keep the system sealed.

- connects heater flange to a 2 inch union with a gasket for leak-free operation - MBT buttress thread compatibility supports secure connections on many spa heaters - replacement part suitable for a range of 2 inch heater assemblies