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F90 PREFILTER
Key Technical Benefits High-capacity acid removal: Protects compressor motor windings from acid etch and burnout
ensuring seamless integration into existing control sequences for air handling units and exhaust systems
it includes high-tolerance internal parts such as the diaphragm
Slant Fin 412-705-040 Damper Assembly R-410A F90 PREFILTERThe Slant Fin 412 705 040 is a heavy duty 5 inch automatic vent damper assembly engineered specifically for high efficiency hydronic heating systems. Designed as a direct replacement component, this motorized flue damper prevents standby heat loss by sealing the vent pipe when the burner is not firing, significantly improving the AFUE rating of the boiler. This assembly features a robust internal synchronous motor and built in safety interlock
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