[/indent]thread378-146020
Responding to the thread above. We use spa heaters in a recirculating system. The spa heaters are 1 1/2" NPT female threaded on both ends. We are plagued by oil leaks. It seems like I have tried every solution out there: Blue Monster tape(with and without dope), copper anti-seize, x-pando, and nothing seems to be holding up. I've replaced heaters and fittings many times. The x-pando seemed to do the trick, but just recently had a failure after a few months, and has begun leaking. I'm at a loss with how to proceed. At this point I'm wondering if our application is incorrect. Perhaps a tighter class of fit than NPT can provide? Any advice would be appreciated.
Thanks
Responding to the thread above. We use spa heaters in a recirculating system. The spa heaters are 1 1/2" NPT female threaded on both ends. We are plagued by oil leaks. It seems like I have tried every solution out there: Blue Monster tape(with and without dope), copper anti-seize, x-pando, and nothing seems to be holding up. I've replaced heaters and fittings many times. The x-pando seemed to do the trick, but just recently had a failure after a few months, and has begun leaking. I'm at a loss with how to proceed. At this point I'm wondering if our application is incorrect. Perhaps a tighter class of fit than NPT can provide? Any advice would be appreciated.
Thanks