Control Options

Opposed Blade Dampers to suit Waterloo Grilles or Diffusers

Available with most of our Grilles and Diffusers, Opposed Blade Dampers are particularly useful in regulating the amount of air going through a supply air terminal and can be cord- or lever-operated if required (screwdriver adjustment as standard). Shut-off position.

  • Models:
    OB
  • Air Properties:
    Style – opposed linked blades, square / circular neck, painted black
  • Selection Criteria:
    Operation – screwdriver, cord, quadrantlever (long or short)
  • Product Options
    Suitable for terminal / plenum box / duct mounting
Click here to view product specification

Butterfly-style Louvre Damper

Designed to adjust the airflow in our MC Small Format and WR Large Format Circular Diffusers, these butterfly dampers allow for the airflow to be regulated prior to distribution through the terminals.

  • Models:
    LD
  • Construction:
    Style – Butterfly-style Louvre Damper
  • Mounting Options:
    Operation – screwdriver from face of terminal
  • Product Options
    Suitable for terminal mounting
Click here to view product specification

Flap Control Dampers to suit Waterloo Plenum Boxes / Neck Reducers

A cost-effective, efficient way to adjust the airflow supplied in plenum boxes, the FD Flap Dampers can be fitted to any of our spigots and can be cord- or quadrant-operated.

  • Models:
    FD
  • Construction:
    Style – flap damper, square / circular / flat oval spigots
  • Mounting Options:
    Operation – cord, quadrant
  • Product Options
    Suitable for plenum box mounting
Click here to view product specification

Equalising Dampers to suit Waterloo Plenum Boxes / Neck Reducers

Available with most of our Grilles and Diffusers, Equalising Dampers are designed to redirect the supply air arriving to a terminal for more homogeneous or asymmetrical distribution.

  • Models:
    ED
  • Construction:
    Style – parallel blades, individually adjustable, painted black
  • Mounting Options:
    Operation – manual adjustment
  • Product Options
    Suitable for terminal mounting
Click here to view product specification

Polymer Opposed Blade Dampers to suit Waterloo Aircell Diffusers

Available with our Aircell Diffusers, these ABS polymer Opposed Blade Dampers are designed to regulate the amount of air going through the terminal.

  • Models:
    O / OC
  • Construction:
    Style – opposed blades, screwdriver / cord operated
  • Selection Criteria:
    Operation – manual adjustment
  • Mounting Options:
    Suitable for terminal mounting
Click here to view product specification

Polymer Opposed Blade Dampers to suit Waterloo Aircell Grilles

Available with our Aircell Grilles, these ABS Polymer Opposed Blade Dampers are designed to regulate the amount of air going through the terminal.

  • Models:
    GO
  • Construction:
    Style – opposed blades, screwdriver / cord operated
  • Selection Criteria:
    Operation – manual adjustment
  • Mounting Options:
    Suitable for terminal mounting
Click here to view product specification