The TE-637DP-1 is specifically engineered for compatibility with the Johnson Controls Direct Mount Economizer (DME) Controller and other BAS hardware requiring a 2

There is no functional or technical difference between these two parts

Stick to the Lennox 49L91

Is the System Sensor MHW compatible with synchronization modules

Once the system cools to the 115°F closing temperature

Trane VAL6383 TXV Els PW 17895 The TE-637DP-1 is specifically engineeredThe Trane VAL6383 is a high precision thermostatic expansion valve (TXV) engineered for residential and light commercial R 22 refrigerant systems. Built for internal evaporator coil applications, this 2 ton TXV utilizes a balanced port design to maintain precise superheat control across varying head pressures and evaporator loads. With a 1 2" ODF inlet and 5 8" ODF outlet, it ensures a secure, leak free sweat connection, while the 60 inch capillary