I have a Sealand porta potty with a cracked freshwater tank cap. I'm trying to replace it with a generic fitting without much luck. The cap is 3" female threaded but the threading doesn't match what I find in the PVC fittings dept at Home Depot. The threads are much coarser (fewer threads per inch). Any ideas where to get a replacement?
rpassmore42@hotmail.com
Any plumbers out there?
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