For 2-ton or 4-ton Rheem systems

While universal shafts exist

maintaining stable operation across critical relays

This part is widely used in many Williams wall heaters

Bard 5651-213 TXV 326058-755 For 2-ton or 4-ton RheemThe Bard 5651 213 thermostatic expansion valve is a precision engineered TXV for HVAC systems designed to maintain optimal superheat across varying evaporator loads. Featuring 3 8 x 3 8 connections, this balance port expansion valve ensures stable refrigerant flow control, preventing liquid slugging and protecting the compressor during low load conditions. Built for durability in commercial and residential applications, the Bard replacement TXV is