We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton 43"H 32"W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 43 in H - Ceiling/Roof-Mount Backdraft Dampers
DaytonCeiling/Roof-Mount Backdraft Dampers

Dayton 43"H 32"W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 43 in H

The Dayton 43"H 32"W Aluminum Ceiling Truss Damper (SKU 3HHR9) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It is a single-panel unit with dimensions of 43 inches…

SKU 3G-OTH-75153

Brand
Dayton
Item
43"H 32"W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 43 in H
Category
Ceiling/Roof-Mount Backdraft Dampers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
3HHR9
Type
Single Panel, 32 in W
D
1 3/8 in
H
43 in
Airflow Direction
Horizontal
Mounting Position
Horizontal
Maximum Air Velocity
1500 fpm
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 43"H 32"W Aluminum Ceiling Truss Damper (SKU 3HHR9) is a ceiling/roof-mount backdraft damper designed for horizontal airflow and horizontal mounting. It is a single-panel unit with dimensions of 43 inches in height, 32 inches in width, and 1 3/8 inches in depth, intended for use with a 42-inch fan. The damper has a maximum air velocity of 1500 fpm.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Dayton 43H 32W Aluminum Ceiling Truss Damper used for?

This Dayton backdraft damper is used in ceiling or roof-mount HVAC systems to prevent reverse airflow when the fan is off. It is designed for horizontal mounting with a 42-inch fan, ensuring one-way horizontal airflow in commercial or industrial ventilation applications.

What are the specifications of the Dayton 3HHR9 ceiling truss damper?

The Dayton 3HHR9 is a single-panel aluminum damper with dimensions of 43 inches height, 32 inches width, and 1 3/8 inches depth. It is rated for horizontal airflow and horizontal mounting, with a maximum air velocity of 1500 fpm. It is designed for use with a 42-inch fan.

Where to buy the Dayton 3HHR9 ceiling truss damper worldwide?

3G Electric supplies the Dayton 3HHR9 ceiling truss damper to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Dayton ceiling truss damper for a 42-inch fan?

Install the Dayton damper in a horizontal ceiling or roof opening, ensuring the airflow arrow points in the desired direction. Secure the frame to the structure and seal edges to prevent air leaks. The damper blades open automatically with fan airflow and close by gravity when the fan stops.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton ceiling/roof-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H, 40 in W, 1 3/8 in D (MPN 3HHR8). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
Dayton
40"H-W Aluminum Ceiling Truss Damper: For 42 in Fan, Single Panel, 42 in H, 40 in W, 1 3/8 in D (MPN 3HHR8). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
35"H 32"W Aluminum Ceiling Truss Damper: For 30 in Fan, Single Panel, 35 in H, 32 in W, 1 5/8 in D (MPN 3HHR7). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
Dayton
35"H 32"W Aluminum Ceiling Truss Damper: For 30 in Fan, Single Panel, 35 in H, 32 in W, 1 5/8 in D (MPN 3HHR7). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
32"H-W Aluminum Spring Backdraft Damper: For 30 in Fan, Single Panel, 32 in H, 32 in W, 1 5/8 in D (MPN 3HHR3). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
32"H-W Aluminum Spring Backdraft Damper: For 30 in Fan, Single Panel, 32 in H, 32 in W, 1 5/8 in D (MPN 3HHR3). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Ceiling Shutter: For 36 in Fan, Single Panel, 36 in H, 36 in W, 1 5/8 in D, Aluminum, Front Flange (MPN 3HHR4). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
Ceiling Shutter: For 36 in Fan, Single Panel, 36 in H, 36 in W, 1 5/8 in D, Aluminum, Front Flange (MPN 3HHR4). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D (MPN 3HHR2). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
26"H-W Aluminum Spring Backdraft Damper: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D (MPN 3HHR2). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
36"H-W Aluminum Ceiling Truss Damper: For 36 in Fan, Single Panel, 37 3/4 in H, 36 in W, 1 3/8 in D (MPN 4HA12). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
Dayton
36"H-W Aluminum Ceiling Truss Damper: For 36 in Fan, Single Panel, 37 3/4 in H, 36 in W, 1 3/8 in D (MPN 4HA12). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.

More from Dayton

View all Dayton parts →
29"H-W 4.5"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 29 in H, 29 in W, 2 in D, Felt (MPN 4HX68). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
29"H-W 4.5"L Aluminum Backdraft Damper: For 24 in Fan, Single Panel, 29 in H, 29 in W, 2 in D, Felt (MPN 4HX68). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H, 41 in W, 2 in D, Felt (MPN 4HX70). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
41"H-W 4.5"L Aluminum Backdraft Damper: For 36 in Fan, Single Panel, 41 in H, 41 in W, 2 in D, Felt (MPN 4HX70). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
25"H-W 4.5"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 in D, Felt (MPN 4HX67). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
25"H-W 4.5"L Aluminum Backdraft Damper: For 20 in Fan, Single Panel, 25 in H, 25 in W, 2 in D, Felt (MPN 4HX67). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
26"H-W Alu Universal Backdraft Dampr: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D (MPN 4C224). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
Dayton
26"H-W Alu Universal Backdraft Dampr: For 24 in Fan, Single Panel, 26 in H, 26 in W, 1 5/8 in D (MPN 4C224). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Vertical.
26"H-W Aluminum Ceiling Truss Damper: For 24 in Fan, Single Panel, 32 in H, 26 in W, 1 3/8 in D (MPN 3HHR6). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
Dayton
26"H-W Aluminum Ceiling Truss Damper: For 24 in Fan, Single Panel, 32 in H, 26 in W, 1 3/8 in D (MPN 3HHR6). Key specifications — Airflow Direction: Horizontal; Brand: DAYTON; Maximum Air Velocity: 1500 fpm; Mounting Position: Horizontal.
21"H-W 4.5"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 in D, Felt (MPN 4HX66). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
21"H-W 4.5"L Aluminum Backdraft Damper: For 18 in Fan, Single Panel, 21 in H, 21 in W, 2 in D, Felt (MPN 4HX66). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H, 17 in W, 2 in D, Felt (MPN 4HX65). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
Dayton
17"H-W 4.5"L Aluminum Backdraft Damper: For 12 in Fan, Single Panel, 17 in H, 17 in W, 2 in D, Felt (MPN 4HX65). Key specifications — Airflow Direction: Vertical; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2000 fpm; Mounting Position: Horizontal.
44"H-W 4.5"L Alu Ceiling Shutter Dampr: For 42 in Fan, Single Panel, 44 in H, 44 in W, 1 5/8 in D (MPN 3C242). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.
Dayton
44"H-W 4.5"L Alu Ceiling Shutter Dampr: For 42 in Fan, Single Panel, 44 in H, 44 in W, 1 5/8 in D (MPN 3C242). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: DAYTON; Maximum Air Velocity: 2250 fpm; Mounting Position: Horizontal.