Honeywell 8 IN TrueZONE Bypass Damper


The TrueZONE® Bypass constant pressure regulating damper (CPRD) is a round static pressure relief damper. It is used in forced-air bypass applications to relieve excess static pressure when some of the zone dampers are closed.


  • Quick installation and setup
  • No weight to adjust
  • Can be installed in any orientation
  • Engineered to provide constant system pressure regardless of changes in zones celling or blower speed


  • Application Constant Pressure Regulating (Bypass) Damper
  • Voltage Not Applicable
  • Size (in.) 8 in. Diameter Size (mm) 203 mm diameter
  • Damper Type Bypass
  • Shape Round
  • Motor or Actuator Mounting Quick connect regulator
  • Motor Calibrated spring tension regulator
  • Motor Timing Not Applicable
  • Wires to Motor None