Trane TRR1546 Transformer 30067439-890 approximately 4 inches from the

approximately 4 inches from the braze joint

While some defrost control boards share similar logic

In low ambient environments

or hairline fractures

Trane TRR1546 Transformer 30067439-890 approximately 4 inches from theThe Trane TRR1546 Transformer is a heavy duty 50VA control power transformer designed for reliable 208 240V to 24V step down conversion in commercial and residential HVAC systems. Built to handle the inductive inrush currents inherent in contactor coils and solenoids, this OEM Trane replacement part ensures stable secondary voltage for sensitive low voltage control circuits. With a primary voltage range of 208 240V and a secondary output of 24VAC, it