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Designed with a 48-frame assembly and a 1/2-inch diameter shaft
as the 3H0372660007 is tailored for larger capacity units like the PTP250
eliminating the guesswork of field-fabricated solutions
Featuring rotolock connections for streamlined installation and maintenance
Resideo SDCR Relay 322838-752 Designed with a 48-frame assemblyThe Resideo SDCR Relay is an essential slave damper control relay designed for professional HVAC partitioning where existing zone panel contacts aren't sufficient to handle the total inductive load. This 4PDT relay (4 pole, double throw) lets a single zone output synchronize up to nine dampers, provided the secondary power supply is correctly sized. Built for high density HVAC zoning systems, the SDCR effectively manages multiple damper actuators like
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