Zonefirst ZDS-24X16 24WX16H Parallel 24V 2-Pos S/R THPU32HP7Y you should select the H17CA

you should select the H17CA or H17DA series

ensuring precise fit and mounting alignment

the 9F0302130000 is the current manufacturer-authorized replacement for the A0812B3581 and 9F30213

Is the 100133547 gasket compatible with non-Lochinvar pumps

Zonefirst ZDS-24X16 24WX16H Parallel 24V 2-Pos S/R THPU32HP7Y you should select the H17CAThe Zonefirst ZDS 24X16 is a heavy duty rectangular zone damper engineered for professional HVAC zoning applications. Built with a sturdy extruded aluminum frame and 24 inch by 16 inch dimensions, this parallel blade damper features 3 inch blades that pivot on self lubricating bushings for silent, long term operation. As a 2 wire 24V power close spring return unit, it remains normally open to ensure fail safe airflow during power loss, a critical