Description
Reznor 234300 Fan Delay Control
The Reznor 234300 is a multi-voltage fan delay control designed to optimize the sequencing of supply fans in Reznor heating equipment. By introducing a controlled delay at startup and shutdown, this component ensures the heat exchanger reaches the proper operating temperature before the fan engages — and keeps the fan running after the burner shuts off to extract residual heat. The result is improved comfort, greater energy efficiency, and extended equipment life.
Key Features
- Multi-voltage compatibility: 240V, 208V, and 277V operation
- Genuine Reznor OEM replacement part (SKU: 234300)
- Engineered for precise fan-on and fan-off delay sequencing
- Helps maximize heat extraction and improve system efficiency
- Protects heat exchanger by preventing premature fan engagement
- Direct drop-in replacement for compatible Reznor heating units
Application
This fan delay control is intended for use in Reznor commercial and industrial unit heaters and heating systems. It is designed as a direct OEM replacement to maintain factory performance standards. Always consult your Reznor equipment documentation to confirm compatibility before installation.
Why Choose OEM Reznor Parts?
Using genuine Reznor replacement controls ensures your equipment operates within designed parameters, preserves warranty coverage, and reduces the risk of premature component failure. The 234300 fan delay control is built to Reznor’s exacting specifications for reliable, long-term performance.







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