NuTone C905 Door Chime Transformer, 16V 10VA | Broan-NuTone

Power up your NuTone door chime with the C905 transformer

Not all door chime transformers are created equal. The NuTone C905 pairs a compact, adaptable design with practical safety features, making installation smoother and more predictable. This 16-volt, 10VA unit works with most NuTone door chimes and is sold in a standard six-pack to help you plan ahead while keeping costs in check.

Flexible, fast installation

• Lock-mount or wall-mount options offer flexible placement and quicker setup
• Built for quick installation, aiming to reduce callbacks and project downtime
• One transformer is suitable for a single chime, simplifying single-door projects

In real-world use, you may appreciate how the mounting options adapt to different spaces, whether updating an existing doorway or wiring a new bell in a hallway, foyer, or entry area. The emphasis on a straightforward install can save time during upgrades.

Safety and reliability you can trust

• Thermal cut-off switch helps protect the chime system if temperatures rise unexpectedly
• cULus listing signals adherence to safety standards and dependable performance

Safety features are designed to minimize risk during operation, while the safety listing supports confidence for typical home environments and inspections.

Smart planning for multi-chime projects

• Standard six-pack packaging supports planning and stocking for multiple chimes
• Consistent 16V power supports reliable chime operation across use cycles

Whether you’re equipping several doors or stocking for future upgrades, the six-pack helps balance inventory with budgeting. The unit’s compatibility with most NuTone chimes provides a cohesive power solution for common setups.

Real-life use cases

Homeowners replacing aging transformers or installers seeking a dependable upgrade may find the C905 appealing. The quick-install design and safety features offer practical benefits on job sites and at home, without promising a guaranteed outcome.

If this transformer seems like a fit for your NuTone chime setup, it could offer a practical, ready-to-install power solution for everyday doorbell needs.