Trane TRR1729 Transformer 35VA 115V-Primary/24V-Secondary
The Trane TRR1729 Transformer is a dependable 35 VA power transformer designed to convert 115V primary voltage to a 24V secondary output for HVAC control applications. It operates by stepping down line voltage to a safe, stable control voltage required by thermostats, relays, and control boards. Commonly used in air handling units, furnaces, and packaged HVAC systems, it supports consistent system operation, improves electrical safety, and ensures reliable performance of low-voltage control circuits while enhancing overall equipment efficiency and longevity.