Professional Identification: Red color-coding facilitates fast identification during system audits and multi-zone troubleshooting

Versatile Application: Suitable for a wide temperature range of -60°F to 406°F

Designed with straight x straight (STR x STR) 1/4" female flare (7/16-20) connections

this assembly ensures consistent flame rectification and reliable ignition

Utica-Dunkirk 240006940 Damper 340155-7024 Professional Identification: Red color-coding facilitatesUpgrade your systems efficiency with the Utica Dunkirk 240006940 Damper, a 8 inch automatic vent damper engineered for precision airflow control in hydronic heating applications. Built with heavy duty galvanized steel, this OEM replacement part is specifically designed for compatibility with Utica MGB Boiler Series and Dunkirk DXL Series units. The automatic actuator ensures the flue remains closed during the off cycle to prevent standby heat loss,