Johnson Controls D-3153-3 Damper Actuator R-410A Internal temperatures exceeding 250°F will

Internal temperatures exceeding 250°F will distort the nylon slide and permanent damage will occur

or heat-induced warping that may be preventing the correct vacuum levels

By replacing the internal worn components with OEM-spec hardware

Technicians should look for inducer pressure switch errors

the line cord must be replaced with permanent conduit to meet electrical code requirements for 240V operation

Johnson Controls D-3153-3 Damper Actuator R-410A Internal temperatures exceeding 250°F willThe Johnson Controls D 3153 3 Damper Actuator is a heavy duty pneumatic damper actuator designed for reliable proportional or two position control in commercial HVAC systems. This pneumatic piston actuator features a 5 10 psi spring range and a generous 3 inch stroke, making it a standard choice for technicians managing ventilating dampers and smoke control systems. Constructed with a die cast aluminum body and a rugged 15 inch synthetic elastomer