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Industrial Durability: The aluminum case dissipates heat effectively
For contractors performing a motor swap or shroud repair
000 feet per minute
Always verify fuel type before installation
Helps eliminate furnace resonance and "booming" ignition caused by incorrect orifice sizing
Schneider Electric (Barber Colman) 21-153 Restrictor Industrial Durability: The aluminum caseThe Schneider Electric (Barber Colman) 21 153 In Line Restrictor is a critical pneumatic component engineered for precise airflow regulation in HVAC control systems. Specifically designed for use with NCS TUBE or standard 1 4" poly tube, this 0. 007 orifice restrictor provides a calibrated flow rate of 1. 0 SCFH (28. 32 L H) at a 20 psig reference. This component is essential for maintaining signal stability in transmitters and bleed type units,
