Frequently Asked Question
Q03 What is a 1" MNPT and what is a 3/4" FNPT?
Last Updated 6 years ago
Male or Female National Pipe Thread. If your house has 3/4 inch pipes, you need 2 male adapters to screw onto the connections. If your house has 1 inch pipes, you'll need 2 female adapters to screw onto the connections.