4" to 3" Reducer

InnoFlue Reducers provide a versatile solution designed to enhance your exhaust system's performance and adaptability. Transition to smaller diameters while maintaining flow of flue gases. Rated to 230°F (110°), InnoFlue Reducers help to optimize the vent layout for maximum efficiency. InnoFlue Reducers come in various diameter combinations to meet any venting requirement.

Optimizes vent system efficiency.
Evaluated to UL1738 and ULCS636 by ICC.
Durable and lightweight.
Installs quickly & easily without glues, primers, or solvents.

Specification

SpecificationsGeneralProduct Name4" to 3" ReducerTrade nameInnoFlueGTIN0815010012383Part number250408201080TechnicalColorGrayMaterialPPsSystem typeSingle wallMaterial flue pipePPsDimensionsLength gross165 mm / 6.5 inchHeight112 mm / 4.4 inchDiameter flue pipe110 mm / 4 inchWidth112 mm / 4.4 inchNet weight0.16 kg / 0.4 lbsLogisticalIntrastat3917400090Base unit packagingUnpackedPackaging / Trade length165 mm / 6.5 inchPackaging / Trade height112 mm / 4.4 inchNumber per packaging1Gross weight0.16 kg / 0.4 lbsPackaging / Trade width112 mm / 4.4 inchCertificationCertificates (US/CAN)UL 1738 – ICC-ES / ULC S636 – ICC-ESBack to overview

Technical specification

Unique ref.4-to-3-reducer
Product familyIncreasers / Reducers
Product groupSingle Wall - Small diameter
TypeObject (single object)
Date of publishing2025-07-10
Edition number1

Links

Product urlhttps://www.centrotherm.us.com/products/innoflue-polypropylene-vent-systems/single-wall-small-diameter/increasers-reducers/4-to-3-reducer/

Designed inUnited States
Manufactured inUnited States

Classification

BIMobject CategoryHVAC - Ductwork
IFC classificationDuct Fitting
ETIM CodeEG015540
ETIM NameFittings, flanges and connectors
Uniclass 2015 CodePr_65_65_25
Uniclass 2015 DescriptionDuctwork and fittings
CSI MasterFormat 2014 Code23 31 13.19
CSI MasterFormat 2014 TitleMetal Duct Fittings
OmniClass Number23-33 49 00
OmniClass TitleHVAC Ductwork

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States