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Thanks, so much Mary! I sincerely appreciate your answer. I removed the split nut and the o-ring has started to deteriorate around the edges. I hear they have to be replaced every few years and this...

I'm replacing the 2 inch o-rings and split nut union on my Balboa heater. The O-ring is rubber and the split nut union holds together a metal pipe (on the Balboa unit) and a PVC pipe.


What kind...

I have a Balboa spa pack inside an Infinity hot tub.

The union to the left of the spa pack has a split nut union covering it. This leaks when the jets (three of them) are set on the highest...

I have a Balboa spa pack inside an Infinity hot tub.

The union to the left of the spa pack has a split nut union covering it. This leaks when the jets (three of them) are set on the highest...