If the #46 drill opening is obstructed

For HVAC contractors

airtight seal between the blower flange and the housing to maintain optimal draft

Capable of handling vacuum pressures up to 5

gas-tight bond on the electrode assembly

Johnson Controls D-3153-103 Linkage Rod If the #46 drill openingThe Johnson Controls D 3153 103 Linkage Rod is a professional grade replacement component engineered specifically for high performance pneumatic damper actuators. This 8 3 4 inch rod is essential for maintaining precise mechanical translation between the actuator's telescoping piston rod and the damper's crank arm. Designed for use with the D 3070, D 3153, and D 4073 series, this linkage ensures a non binding connection, allowing for smooth 90 degree