Resideo - Honeywell Home 12MARD Modulating DamperThe 12MARD Modulating Damper from Resideo Honeywell Home delivers precise airflow control for motorized bypass and zone dampers. This automatic, round damper with a single blade modulates air smoothly to maintain comfort and efficiency. Designed for 12 inch duct systems, it uses 22 gauge construction with a galvanized steel blade for durability in demanding HVAC environments. Key features blend reliability with flexible installation and control

the Nordyne igniter minimizes misfires and helps improve overall furnace reliability

This ignition controller is designed for PD30/PD100/PD150/PD200 gas-fired unit heaters

engineered to replace worn ignition components in natural gas furnaces

the Carrier 330539-753 Coupling Box Kit reduces downtime and lets technicians complete repairs with minimal disruption

It arrives as a direct-fit option

Choose the T6031C1009 for durable

It is engineered for efficient fuel-to-air ratio control

Engineered by McDonnell & Miller

Terminals: 1/4 inch quick-connect

This reliable Nordyne replacement part helps maintain proper overheat protection and safe furnace operation

Supports remote readouts with clear display positioning

200 PSI (AC) / 63 DC for water