214599 | Vent Assembly For RDH 250-400A | Reznor Part Number_01504008301 the L3403M features a durable

the L3403M features a durable cast iron frame and high-quality bearings

Designed for use with Armstrong furnaces

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The panel features four isolated zones

214599 | Vent Assembly For RDH 250-400A | Reznor Part Number_01504008301 the L3403M features a durableVent Assembly for Reznor RDH 250 400A: Enhance Your Heating Performance This Reznor vent assembly is meticulously engineered to complement the RDH 250 400A unit, optimizing its performance and ensuring efficient operation. Its precise design enables seamless integration with the existing heating system, delivering reliable and consistent airflow. This vent assembly ensures optimal heat distribution throughout the designated space, maximizing heating