Siemens Building Technology 331-3012 340155-7026 The Friedrich 67400403 Main PCB

The Friedrich 67400403 Main PCB is a critical genuine OEM replacement designed to restore full logic control and operational efficiency to residential and commercial Friedrich air conditioning units

and T3BD-042K

Featuring a 3/8" diameter and a 6 3/4" insertion length

Flexible Mounting: Equipped with a hub or stud mount design and a 56Z frame for secure installation in diverse condenser units

The internal EPDM seals and Class F/H coil options are designed to handle saturated steam and hot water temperatures reaching 297°F

Siemens Building Technology 331-3012 340155-7026 The Friedrich 67400403 Main PCBThe Siemens 331 3012 is a heavy duty #6 pneumatic damper actuator designed for high torque applications in commercial HVAC systems. This spring return actuator features a 4 inch stroke and a nominal 3 8 psi spring range, making it an ideal choice for the gradual or positive control of large dampers, centrifugal refrigeration inlet vanes, and fire smoke dampers. Built with a rugged, metal fabricated housing and a 17. 9 sq. in. effective diaphragm area,