THIS IS NOT A SPLIT NUT. It is a heater uni-nut that will slide over the metal flange of a heater and then not slide back due to the use of a retaining ring (shown as an accessory) IT HAS A 2-7/8" DIAMETER BUT IS KNOWN AS A 1-1/2" NUT.
1-1/2" heater or pump union gasket which is flat on both sides.
The World's most common seals for 2" heaters. Pack of x100
The MOST common heater split nut to fit ALL Balboa, Hydroquip, Gecko, Thermcore, AquaTemp, Therm and any other heater assemblies with a 2" diameter.
2" Heater tailpiece. This is NOT the common style. This tailpiece has a spiggot end which means it will glue INTO another piece of plumbing like a 2" socket gate valve.
2-1/2" split nut to fit 2-1/2" suction wet ends and Low Flow heaters.
Heater union nut for Saratoga and Low Flow heaters only. Will only fit heaters in the additional pictures. THIS IS NOT A SPLIT NUT. THIS IS NOT A STANDARD NUT AND WILL ONLY FIT THE HEATERS SHOWN - LOOK BEFORE YOU BUY. IT HAS A 4" DIAMETER BUT IS KNOWN AS A 3" NUT.
Will fit EVERY hot tub heater element that we know about. Kit comprises : x2 Large Nuts x2 Small nuts (integral spring washers) x2 Viton o rings