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eliminating the guesswork of field-fabricated solutions
This is a complete vent blower assembly
the linkage kit is sold separately to allow contractors to select the specific control signal and torque required for the application
The pre-installed 6-9" WC spring allows for fine-tuned downstream pressure regulation
a 100% dirty sensor needing cleaning
Resideo SDCR Relay 322838-752 eliminating the guesswork of field-fabricatedThe 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