and the Rheem-Ruud 61-21922-39 TXV is the specific OEM solution for R-22 systems requiring a 3/8" x 3/8" configuration

Safe Temperature Regulation: Features a fixed 300-degree opening point to protect the heat exchanger from thermal stress

shielding them from environmental debris and mechanical impact

Plug-and-play PIW25 cabling reduces labor time and prevents wiring polarity issues

This Uni-Kit dual gas valve serves as the direct replacement for the discontinued Robertshaw 720-400

Carrier HR46TN008 Controller 318423-701 and the Rheem-Ruud 61-21922-39 TXVThe Carrier HR46TN008 Controller is a critical VFD Motormaster component designed for precision management of variable frequency drive systems in commercial cooling applications. As a genuine Carrier OEM replacement part, this power controller ensures the exact modulation of motor speeds by varying frequency and voltage, which is essential for maintaining head pressure in low ambient conditions. Its robust construction and high grade internal control