Trane CNT0695 Relay

The Trane CNT0695 Control Relay is a mission-critical electromechanical switch designed for 24V HVAC systems, providing reliable circuit management for furnaces and packaged units. As an authentic OEM Trane replacement part, this relay is engineered to handle inductive loads up to 25 amps, ensuring precise execution of defrost cycles and fan motor sequencing. Field technicians rely on the CNT0695 relay module for its robust housing and standard mounting footprint, which simplifies installation in cramped control cabinets. Integrating this HVAC control relay into your diagnostic routine addresses common failure points such as stuck contacts or coil burnout that lead to "no heat" calls or intermittent condenser fan operation. By maintaining the voltage integrity of the signaling circuit, the Trane CNT0695 facilitates seamless communication between the thermostat and high-voltage components. This heavy-duty furnace relay is built to withstand the thermal cycling typical of commercial and residential RTUs, maximizing system uptime and electrical efficiency.

Key Benefits

• OEM Compatibility: Exact drop-in replacement for the Trane CNT0695, eliminating the need for field modifications or bracket fabrication.
• High Amperage Capacity: Rated for up to 25A, providing a substantial safety margin for managing high-draw fan motors and heating elements.
• Precision 24V Logic: Optimized for low-voltage control circuits, ensuring crisp contact engagement without "chattering" or voltage drops.
• Versatile Application: Validated for use in furnaces, heat pumps, and packaged rooftop units (RTU) to restore defrost and airflow functionality.

Common Questions What are the symptoms of a failing Trane CNT0695 relay? Contractors often diagnose a faulty relay when the indoor blower or condenser fan fails to engage despite receiving a 24V signal from the board, or if the contacts weld shut, causing the motor to run continuously. Can this relay be used in non-Trane equipment? While specifically engineered for Trane and American Standard HVAC systems, its 24V coil and 25A contact rating make it a viable cross-reference if electrical specifications and mounting configurations align. Does the CNT0695 handle defrost signal switching? Yes, in many heat pump configurations, this relay is energized to manage the transition between heating and defrost modes, ensuring the reversal valve and outdoor fan operate in the correct sequence.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.