Expansion Valve 31-30901-AM Carrier 2 ton Expansion Valve 
TXV Type: BLOCK
Fitting: O-RING
Liquid Inlet: 3/8in
Liquid Outlet: 1/2in
Suction Inlet: 1/2in
Suction Outlet: 5/8in
Aftermarket Number: 101-107, 22-00102, EXP-134, 
208-135, 450-6503, 2160074, 302113, 15-50269