The iO HVAC Controls TR-75 is a high-capacity 75VA transformer with a built-in circuit breaker, engineered to deliver reliable control power to larger HVAC zoning and ventilation systems.

Key Features & Benefits

• 75VA high-capacity output — ample control power for larger zoning and ventilation systems.
• Built-in circuit breaker — integrated overload and short-circuit protection for safer operation.
• Contractor-ready reliability — dependable performance for professional HVAC installations.

Ideal For

Larger residential and light-commercial HVAC zoning and ventilation systems that require robust, protected control power.