Description
The Nordyne 263873R is a direct OEM replacement flange orifice designed for use with Nordyne hot surface ignition (HSI) furnace systems. Engineered to deliver precise gas metering and consistent fuel flow, this flange orifice is a critical component in maintaining safe and efficient furnace combustion.
Product Overview
This replacement flange orifice carries the #077 orifice size designation, making it suitable for specific Nordyne furnace models that require accurate gas metering at the burner assembly. Using the correct OEM-specified orifice ensures proper air-to-fuel ratios, optimal combustion efficiency, and safe furnace operation.
Key Features
- OEM Nordyne replacement part — SKU 263873R
- Orifice size: #077 for precise gas flow metering
- Designed for hot surface ignition (HSI) furnace applications
- Flange-style mounting for secure, leak-free installation
- Engineered to meet Nordyne OEM specifications for fit and performance
- Supports proper air-to-fuel combustion ratios
- Helps maintain furnace efficiency and safe operation
Application
This flange orifice is intended for use in Nordyne-branded furnaces equipped with hot surface ignition systems. Always verify compatibility with your specific furnace model number before installation. Consult your equipment’s service manual or a qualified HVAC technician to confirm the correct orifice size for your application.
Installation Notes
- Intended for installation by qualified HVAC service professionals
- Verify gas type (natural gas or LP) and required orifice size before installation
- Ensure gas supply is shut off before servicing the burner assembly
- Follow all applicable local codes and manufacturer guidelines during installation
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