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this three-blade propeller is engineered for optimal airflow in 13 SEER residential condensing units
the FS1038 is the primary technical direct replacement for part number R40638-001
it is specifically configured with Lennox-specific mounting and terminal spacing
The 669566R is the updated manufacturer suffix for the original part number
Precision Fit: Features a 2-1/4"-12 Rotalock thread ensuring a seamless match with Copeland scroll compressor ports
Maxitrol AD1094C-2565 Amplifier and Selector Freon this three-blade propeller is engineeredThe Maxitrol AD1094C 2565 is a self contained Series 94 amplifier and selector engineered for high precision gas flame modulation in commercial and industrial heating applications. Designed for a thermal range of 250F to 650F, this unit integrates the amplifier and temperature selector into a single robust component, simplifying installation in direct fired burners and atmospheric furnace systems. It provides the critical output voltage required to