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EWC 18 SBD - Smart By-Pass Damper, Round, 18"

Item: 18 SBD

This product is no longer available for purchase.

Comparable Products


Model SBD Smart By-Pass Dampers

The Smart By-Pass Damper automatically measures, monitors and maintains the designed operating static pressure of all HVAC systems in all modes of operation. The SBD will capture the total static pressure of the system during non-zoned mode, and modulate to maintain that static pressure during zoned mode. As zone dampers open and close the static pressure will fluctuate in the HVAC system. The SBD is designed to sense that static pressure flucuation and will modulate to maintain the proper operating static pressure during zoning modes.

  • Automatically measure, monitor and maintain the design operating statis pressure of any system.
  • Curved blade design will maintain true static pressure.
  • Self balances in all models of operation.
  • Single push button set-up.
  • ACCA Manual Zr compliant.
  • LED indicators for set-up response.
  • No other By-Pass damper is easier to set up.
Round SBD's are fabricated from 24 gauge galvanized steel. Rolled shells include one female end and one male (crimped) end, with rigid stiffening beads. Includes pressure drop baffling for improved damper authority and linear response. Round SBD’s are equipped with a Poron® gasket on the blade. *Specify model SBD - 8", 10", 12", 14", 16", 18", 20"

Rectangular SBD's shall be fabricated from mill finished, extruded 080” aluminum and glass filled nylon bearings. Includes pressure drop baffling for improved damper authority and linear response. *Specify model SBD - 12" X 8", 12" X 10", 12" X 12", 20" X 8", 20" X 10", 20" X 12", etc.


NameEWC 18 SBD - Smart By-Pass Damper, Round, 18"
Gemaire Item Number18 SBD
Manufacturer Product Number18 SBD
SKU - PIM Number1461227457778
ERP Number373822
Unit of MeasureEA
Weight22.4 Pounds (Lb)
Length18.0 Inches (In)
Width18.0 Inches (In)
Height20.0 Inches (In)
Country of OriginUSA
BrandEWC Controls
Voltage24 VAC
Power Method24 Volt
Cycle/Hertz50/60 Hz
Damper TypeBarometric Bypass
Heat Pump CompatibleYes
MountingAny position
Network ZoningYes
Operating Temperature-40°F to 169°F (-40°C to 76.1°C)
Type3 Wire Modulating Bypass
Warranty OfferedYes
UL ListedYes
UL RecognizedYes
Gauge24 GA
GEM - Case Quantity


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