NPT adaptors are male-threaded adaptors that connect two different sized pipes. They're commonly used on our systems to connect between bypass assembly and your home plumbing lines.
- NPT fittings are listed by the "standard" inner diameter (I.D.) of the fitting.
- They can be found at most hardware stores.
- Below is a photo example of a 3/4" to 1" NPT adaptor. Keep in mind, your adaptor may differ depending on your type of piping.