Technician A Says in an H-Block Valve the Temperature Sensing

Multiple Choice

Technician A says in an H-block valve the temperature sensing sleeve (bulb) is internally located in the outlet port of the valve.Technician B says the operation and function of the H-valve,or block valve,are essentially the same as the thermostatic expansion valve (TXV) .Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B