Nordyne 151882R Restrictor Orifice

The Nordyne 151882R Restrictor Orifice is a critical OEM component designed to meter combustion air within the furnace inducer motor assembly. This precision-engineered inducer orifice features a 1.25-inch center hole diameter and a 2.5-inch outside diameter, ensuring the exact static pressure required for stable ignition and consistent flue gas extraction. For contractors troubleshooting pressure switch trips or combustion instability in high-efficiency units, verifying the integrity of this replacement restrictor orifice is a primary diagnostic step. By regulating the velocity of the air entering the combustion chamber, the 151882R prevents back-drafting and optimizes energy utilization across compatible Nordyne, Intertherm, and Miller platforms. This genuine Nordyne furnace part is built from corrosion-resistant materials to withstand the high-temperature environment of the draft inducer blower, maintaining the tight tolerances necessary for long-term system performance and safety in gas-fired heating applications.

Key Benefits

• Optimized Combustion: Precision-meters airflow to maintain the correct fuel-to-air ratio for efficient heat exchange.
• Pressure Regulation: Stabilizes internal pressure to prevent nuisance trips of the vacuum or pressure switches.
• Broad Compatibility: Engineered for use in FG7MQ, FG7TC, KG7TC, and PGC2 series furnaces.
• Durable Construction: High-grade material resists heat and corrosive flue gases for extended service life in demanding environments.

Common Questions

What are the dimensions of the 151882R orifice?
This part features a 2.5" outside diameter (OD) and a 1.25" center hole diameter for precise fitting within the inducer housing.

Which furnace models use this specific restrictor?
It is commonly found in 100,000 BTU high-efficiency models, including the Nordyne FG7TC 100D-VC and GUH95T100C5XE series.

Can I install this part if my inducer is vibrating or noisy?
While a clogged orifice can cause performance issues, noise or vibration is typically a sign of a failing inducer motor bearing or wheel; however, the orifice should be inspected for debris during any inducer service.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.