OEM Hot Surface Ignition (HSI) control board for Nordyne single-stage gas furnaces and packaged units. Manages automated burner firing with 24VAC control, integrated flame sensing, and 1-hour lockout safety feature. Includes on-board LED diagnostics for field troubleshooting. Direct replacement for legacy 626421, 1018-204, and 1018-504.
Nordyne 626421R HSI Control Board 24VAC
Nordyne
$226.95
In Stock
- SKU:
- 626421R
- Product Type:
- HSI Control Board
- Subcategory:
- Furnace Control Module
- Application:
- Residential/Commercial
- System Type:
- Furnace, Package Unit
- Installation Type:
- OEM Replacement
- Voltage:
- 24VAC
- Voltage Class:
- Low Voltage
- Fuel Type:
- Natural Gas
- Control Type:
- Non-Programmable
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