• Products and Solutions
    • Grilles & Registers
      • Supply, Steel
      • Supply, Aluminum
      • Return, Steel
      • Return, Aluminum
      • Curved Blade, Aluminum (1, 2, 3 or 4-way)
      • Heavy Duty, Steel, Supply
      • Heavy Duty, Steel, Return
      • Grid Core Return
      • Transfer and Door Grilles
      • Perforated Return Grilles
      • AVF Versaflex
      • G-Series
      • Return Filter Grilles
      • Supply Aluminum, Aerovane
      • Grid Core Return 45-Degree Deflection
    • Square/Round Diffusers
      • Stepdown 3-Cone
      • Stepdown 2-Cone
      • Architectural Plaque Diffuser
      • M-Series Louvered Face-Square Neck
      • Agitair® RC Series
      • Modular Core Diffuser
      • Concentric Supply Return
      • Round Diffuser, 3-Cone
      • Round Diffuser, 4-Cone
      • Industrial Round Diffuser
      • Fire Rated Series
      • Architectural Swirl Face
      • M-Series Louvered Face-Round Neck
      • Round Architectural Plaque Diffuser
    • Perforated Diffusers
      • Supply, Adjustable Curved Blade
      • Supply Face Mounted Deflectors
      • Supply, Modular Core
      • Return, Perf Panel Only
      • Return Diffuser
    • Linear/Slot Diffusers
      • 4000 Series Linear Grilles
      • Agitair® Stripline® Diffusers
      • 6000 Series Slot Diffusers
      • AIR-TRAC Architectural Linear Diffuser
    • Plenum Slots
      • Supply, Single Vane
      • Supply, Modulinear
      • High Capacity Plenum Slot
      • Return Slot Diffuser
      • High Induction Series
      • Supply, Fixed Vane
    • Security Grilles
      • Perforated Supply
      • Transfer Grille, Perforated Pattern
      • Louvered Face Diffuser With Lattice Face Plate
      • Bar Grille, Steel
      • Bar Grille, Aluminum
      • Lattice Face Plate, Steel
      • Lattice Face Plate, Aluminum
      • Security Duct Bars With Sleeve
      • Security Duct Bars With Frame
      • Suicide Deterrent Security Grille
      • Maximum Security Lattice Face With Mesh Screen
    • Critical Environment
      • Radial Flow, Fixed
      • Radial Flow, Adjustable
      • OR Linear Curtain, V-Slot
      • Laminar Flow, Tensor™
      • ISOTEK
      • Laminar Terminal Diffusers, LTD
    • Specialty Products
      • Stainless Steel Supply Grilles
      • Stainless Steel Return Grilles
      • Industrial Supply Grilles, Pole-Operated Blades
      • GJ Jet-Flo®
      • Roto-Jet® Drum Grilles
      • Electronically Controlled VAV Diffuser
      • Roto-Jet® Spiral Duct Drum Grilles
      • Discus Series Spot Diffusers
      • Discus Series Supply Grilles
      • Discus Series Air Foil Round Supply Grilles
      • Discus Series Industrial Round Supply Grilles
      • Thermal VAV Diffusers
      • Heavy Duty Airfoil Grilles
      • Constant Flow Regulator
      • Spiral Duct Series
    • Underfloor Products
      • UnderFloor Rounds
    • Accessories
      • Round Dampers
      • Grids, Extractors, Turning Vanes
      • Square to Round Adapters
      • Adapter Plaster Frames
      • HEPA Air Filter
      • Plaster Frame
      • Square/Rectangular Dampers, Steel
      • Square/Rectangular Dampers, Aluminum
      • Return Hood
    • Air Handling Coils
      • Air Handling Coils
    • Terminal Units
      • Single Duct Terminal Unit
      • Dual Duct Terminal Unit
      • Single Duct Round Terminal Unit
      • Dual Single Duct Terminal Unit
      • Laboratory Exhaust Valve
      • Bypass Terminal Unit
      • Low Profile Fan Powered Constant Terminal Unit
      • Low Profile Fan Powered Variable Terminal Unit
      • Fan Powered Series Terminal Unit
      • Fan Powered Parallel Terminal Unit
    • Displacement Diffusers
      • Semi-circular, 180°
      • Rectangular, Flush Mount
      • Rectangular, Stair Riser or Surface Mount
      • Curved, Corner Mount
      • Rectangular, Flush or Wall Mount
      • Semi-Circular, Wall or Surface Mount
      • Circular, 360°
  • Services and Support
    • Training
    • Webinars
    • GRD Products Webinars
  • Resources
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    • Installation Videos
  • Insights
  • Find a Rep
Rep Login
  • Products and Solutions
    • Grilles & Registers
      • Supply, Steel
      • Supply, Aluminum
      • Return, Steel
      • Return, Aluminum
      • Curved Blade, Aluminum (1, 2, 3 or 4-way)
      • Heavy Duty, Steel, Supply
      • Heavy Duty, Steel, Return
      • Grid Core Return
      • Transfer and Door Grilles
      • Perforated Return Grilles
      • AVF Versaflex
      • G-Series
      • Return Filter Grilles
      • Supply Aluminum, Aerovane
      • Grid Core Return 45-Degree Deflection
    • Square/Round Diffusers
      • Stepdown 3-Cone
      • Stepdown 2-Cone
      • Architectural Plaque Diffuser
      • M-Series Louvered Face-Square Neck
      • Agitair® RC Series
      • Modular Core Diffuser
      • Concentric Supply Return
      • Round Diffuser, 3-Cone
      • Round Diffuser, 4-Cone
      • Industrial Round Diffuser
      • Fire Rated Series
      • Architectural Swirl Face
      • M-Series Louvered Face-Round Neck
      • Round Architectural Plaque Diffuser
    • Perforated Diffusers
      • Supply, Adjustable Curved Blade
      • Supply Face Mounted Deflectors
      • Supply, Modular Core
      • Return, Perf Panel Only
      • Return Diffuser
    • Linear/Slot Diffusers
      • 4000 Series Linear Grilles
      • Agitair® Stripline® Diffusers
      • 6000 Series Slot Diffusers
      • AIR-TRAC Architectural Linear Diffuser
    • Plenum Slots
      • Supply, Single Vane
      • Supply, Modulinear
      • High Capacity Plenum Slot
      • Return Slot Diffuser
      • High Induction Series
      • Supply, Fixed Vane
    • Security Grilles
      • Perforated Supply
      • Transfer Grille, Perforated Pattern
      • Louvered Face Diffuser With Lattice Face Plate
      • Bar Grille, Steel
      • Bar Grille, Aluminum
      • Lattice Face Plate, Steel
      • Lattice Face Plate, Aluminum
      • Security Duct Bars With Sleeve
      • Security Duct Bars With Frame
      • Suicide Deterrent Security Grille
      • Maximum Security Lattice Face With Mesh Screen
    • Critical Environment
      • Radial Flow, Fixed
      • Radial Flow, Adjustable
      • OR Linear Curtain, V-Slot
      • Laminar Flow, Tensor™
      • ISOTEK
      • Laminar Terminal Diffusers, LTD
    • Specialty Products
      • Stainless Steel Supply Grilles
      • Stainless Steel Return Grilles
      • Industrial Supply Grilles, Pole-Operated Blades
      • GJ Jet-Flo®
      • Roto-Jet® Drum Grilles
      • Electronically Controlled VAV Diffuser
      • Roto-Jet® Spiral Duct Drum Grilles
      • Discus Series Spot Diffusers
      • Discus Series Supply Grilles
      • Discus Series Air Foil Round Supply Grilles
      • Discus Series Industrial Round Supply Grilles
      • Thermal VAV Diffusers
      • Heavy Duty Airfoil Grilles
      • Constant Flow Regulator
      • Spiral Duct Series
    • Underfloor Products
      • UnderFloor Rounds
    • Accessories
      • Round Dampers
      • Grids, Extractors, Turning Vanes
      • Square to Round Adapters
      • Adapter Plaster Frames
      • HEPA Air Filter
      • Plaster Frame
      • Square/Rectangular Dampers, Steel
      • Square/Rectangular Dampers, Aluminum
      • Return Hood
    • Air Handling Coils
      • Air Handling Coils
    • Terminal Units
      • Single Duct Terminal Unit
      • Dual Duct Terminal Unit
      • Single Duct Round Terminal Unit
      • Dual Single Duct Terminal Unit
      • Laboratory Exhaust Valve
      • Bypass Terminal Unit
      • Low Profile Fan Powered Constant Terminal Unit
      • Low Profile Fan Powered Variable Terminal Unit
      • Fan Powered Series Terminal Unit
      • Fan Powered Parallel Terminal Unit
    • Displacement Diffusers
      • Semi-circular, 180°
      • Rectangular, Flush Mount
      • Rectangular, Stair Riser or Surface Mount
      • Curved, Corner Mount
      • Rectangular, Flush or Wall Mount
      • Semi-Circular, Wall or Surface Mount
      • Circular, 360°
  • Services and Support
    • Training
    • Webinars
    • GRD Products Webinars
  • Resources
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    • Installation Videos
  • Insights
  • Find a Rep
Search
Search Rep Login
  1. Home
  2. Products and Solutions
  3. Grilles and Registers
  4. T115 Heavy Duty Return Grille, Steel
Product Image_T115
  • Thumb Image_T115

T115 Heavy Duty Return Grille, Steel

Grilles & Registers

Uniquely designed to cater to areas that require heavy-duty applications, the T115 grilles are a cost-effective solution. They come with optional stationary deflection bars spaced on 1/2" centers and factory set at 38-degree, or bars spaced on 3/8" centers and factory set at 0-degree deflection.

  • Sturdy steel construction consists of a 16-gauge margin with 14-gauge bars
  • Both options of horizontal face bars (H) or vertical face bars (V) are available for you to choose according to your requirements
  • Optional steel opposed blade damper (SOBD) is factory mounted and screwdriver operated from the face of the grille
Back to Top

T115 Heavy Duty Return Grille, Steel

  • Product Application
  • Features
  • Benefits
  • Product Documentation
  • Related Products

    Product Application

    A great air distribution system offers more than efficient performance. Model T115 is one such product that delivers more than what meets the eye. This return grille is designed specifically for heavy-duty applications to resist damages of various degrees. Not only does it work effectively in rigorously used facilities, but it is also resistant to moisture and corrosion, making it a great choice for facilities with humid conditions. You can use them in gymnasiums, warehouses, and other industrial spaces where impact resistance is required.
    Product Application

    Features

    • Offers support mullions on 6” centers
    • White (WH) electrocoat finish comes in an anodic acrylic paint, baked at 315°F for 30 minutes with a pencil hardness of HB to H
    • Optional steel mounting frame (45) available for use in plaster applications to facilitate grille removal
    • Available sizes are 6"x4" to 48"x48" in 1” increments
    • Published performance data tested in accordance with ANSI/ASHRAE Standard 70-1991 at isothermal conditions is provided

    Benefits

    Robust Construction
    Robust Construction

    The heavy-duty steel construction consisting of a 16-gauge margin with 14-gauge bars of the grille promises durability.

    Maximum Efficiency
    Maximum Efficiency

    Features a 1-1/4" nominal overlap margin which can prevent air leakage when the blades of the grille are closed.

    Modifiable Design
    Modifiable Design

    Comes in White (WH), Mill (ML), Aluminum Paint (AP), Off-White (OW), Flat Black (FB), and Match Paint (MP) finish.

    Technical Resources

    Document Name
    Description
    Language
    Resource Type

    Data Sheet

    RG1~T115_FEA4_09 (English)

    Heavy Duty, Steel, Return - Heavy Duty Return Tri-Flex Heavy Duty - Features

    English Data Sheet
    VIEW

    Data Sheet

    RG1~T115_DIM4_09 (English)

    T115 - Product Dimensions

    English Data Sheet
    VIEW

    Engineering Guide

    RG1~T115_ENG4_09 (English)

    T115 - Engineering Data

    English Engineering Guide
    VIEW

    Specification Guide

    RG1~T115_SPC4_09 (English)

    Heavy Duty, Steel, Return - T115 - Specifications

    English Specification Guide
    VIEW

    Submittal

    SD-1768 (English)

    Grilles & Registers - T115 Heavy Duty Fixed Bar Return Steel Construction - Submittal

    English Submittal
    VIEW
    No resource found for selected filter

    Back

    Next

    Related Products

    SOBD Steel, Opposed Blade Damper

    SOBD Steel, Opposed Blade Damper

    45 Steel Mounting Frame for Grilles and Registers

    45 Steel Mounting Frame for Grilles and Registers

    Contact Us
    Find a Rep
    • Grilles & Registers
    • Square/Round Diffusers
    • Perforated Diffusers
    • Linear/Slot Diffusers
    • Plenum Slots
    • Security Grilles
    • Critical Environment
    • Specialty Products
    • UnderFloor Products
    • Accessories
    • Air Handling Coils
    • Terminal Units
    • Displacement Diffusers
    Products and Solutions
    • Grilles & Registers
    • Square/Round Diffusers
    • Perforated Diffusers
    • Linear/Slot Diffusers
    • Plenum Slots
    • Security Grilles
    • Critical Environment
    • Specialty Products
    • UnderFloor Products
    • Accessories
    • Air Handling Coils
    • Terminal Units
    • Displacement Diffusers
    • Training
    • Webinars
    Services and Support
    • Training
    • Webinars
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    Resources
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    Connect With Us
    • Twitter X logo
    • Facebook logo
    • LinkedIn logo
    © 2025 Air Distribution Technologies, Inc..
    • Terms and Conditions of Sale
    • Privacy Notice
    • California Notice at Collection
    • Ethics
    • Terms of use
    • Purchase Terms