Resideo - Honeywell Home 8MARD Modulating DamperThe 8MARD Modulating Damper from ResideoHoneywell Home is a round duct damper designed for precise HVAC zoning. This 8 inch damper uses a 24 volt motor to modulate airflow, delivering responsive control for motorized bypass and zone damper applications and helping maintain consistent comfort across zones. Built for durability, the damper features a 22 gauge body and galvanized steel blades for long lasting performance in challenging ductwork. Designed

making it a versatile choice for modern installations

it delivers steady flame control and reliable operation when replacing aging burner components

this control board is designed for straightforward installation and minimal downtime

Contact ratings: 125/250/277 VAC

while its robust construction meets strict industrial standards for explosion-proof operation

making it ideal for pressure-activated alarms

50 PSI max

it integrates seamlessly with standard hydronic loops

ensuring compatibility with units such as RCB36B2A

it resists wear from frequent use and temperature fluctuations

Non-programmable thermostat design provides reliable 2H/1C operation with straightforward on/off control

this part is a trusted choice for long-term performance