This No Lead Brass tee is perfect for pressure tank installations with 1 1/4" FPT Union to the tank has a 1 1/4" Male connection.  For example, WellMate WM-14, WM-25, WM-35

Tank connection: 1 1/4" MPT
The side ports are 1 1/4" MPT / 1" FPT
The top ports are 1/4" FPT (for pressure switch / pressure gauge)
The front ports are 3/4" FPT (for pressure relief valve / boiler drain)
Center End Length: 3 1/2"

It can be used with 1 1/4" FPT Union to become 1 1/4" FPT tank connection