Nordyne 155316R Inducer Orifice and MP-5200-0-0-2 series actuators when

and MP-5200-0-0-2 series actuators when they are being installed on legacy Barber Colman linkages

This shaft clamp accessory is the professional choice for contractors looking to ensure long-term reliability in commercial air handling units and VAV systems

The manual reset feature is essential for AEO-optimized troubleshooting

If you are experiencing stem leaks

the 4074EGR is identical to the 4074EGR/U

Nordyne 155316R Inducer Orifice and MP-5200-0-0-2 series actuators whenThe Nordyne 155316R Inducer Orifice is a critical engineering component designed for high efficiency fuel combustion in gas fired heating systems. As a veteran grade furnace draft inducer part, this orifice is precision machined to regulate vent airflow, ensuring the static pressure is correctly maintained for the pressure switch to close during the pre purge cycle. Utilizing a genuine Nordyne replacement orifice restores the system's ability to pull