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| Double Wall Grease Duct |
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- ETL Listed to UL Standard 1978 and UL Standard 2221- Grease Duct Enclosure Assemblies
- Duct sections are constructed of an inner wall and outer wall with insulation in between - inner duct is Single Wall (DW Series) and outer shell is stainless steel
- Inner duct diameters range from 5" to 36"
- Multiple accessories including 45 degree elbow, 90 and tees
- Access doors available for clean out
- Transition plates available for duct termination at the curb
- Three models are available to meet clearance requirement needs - Model DW-2R, Model DW-3R and Model DW-3Z
- Rated for continuous operation at 500 degrees F and intermittent operation at 2000 degrees F
- System can be used as a stand-alone duct system or used as part of a fully integrated package designed and pre-engineered for optimum performance
- Factory-built duct saves on installation costs
- Round duct ensures reduced static pressure, improved acoustics, easier cleaning, faster installation, less insulation when fire-wrapping, and reduced heat gain to the space
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The Double Wall Ductwork Series has been certified by ITS. This certification mark indicates that the product has been tested to and has met the minimum requirements of a widely recognized (consensus) U.S. Product safety standard, that the manufacturing site has been audited, and that the applicant has agreed to a program of periodic factory follow-up inspections to verify continued performance.
Models DW-2R and DW-3R are ETL listed under file number 1000082319SAT-006 EEV and comply with UL1978, UL2221, CAN/ULC-S115, CAN/ULC-S662, and ASTM E814 Standards.
Model DW-3Z is ETL Listed under file number 1000082319SAT-006 EEV and complies with UL1978, UL2221 and CAN/ULC-S144 Standards.
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