Description
The Lennox 21G77 is a purpose-built OEM control transformer designed to deliver dependable, stable low-voltage power conversion in Lennox HVAC systems and compatible equipment. Rated at 100VA with a primary voltage of 208-240V, this transformer is engineered to meet the demanding electrical requirements of commercial and residential HVAC control circuits.
Key Features
- OEM Lennox replacement transformer — direct-fit for compatible Lennox equipment
- Primary voltage: 208-240V for broad compatibility with standard commercial and residential power supplies
- 100VA capacity to support control circuit loads reliably
- Designed for stable, consistent low-voltage output to protect sensitive HVAC controls
- Built to OEM specifications for quality and longevity
- Ideal for use in furnaces, air handlers, and other Lennox HVAC applications
Why Choose the Lennox 21G77?
Using a genuine OEM transformer ensures your Lennox equipment operates within its designed electrical parameters. The 21G77 provides the correct voltage transformation needed to power thermostats, control boards, and other low-voltage components, helping to prevent nuisance trips, control failures, and costly downtime.
Specifications
- SKU: 21G77
- Brand: Lennox
- Primary Voltage: 208-240V
- VA Rating: 100VA
- Type: Control Transformer
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