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FIELD CONTROLS Motorized Damper: For 8 in Dia, 8 1/8 in L, 12 7/8 in H, 12 7/8 in W, Crimped/Slip-Over - Fresh Air Intake Dampers
FIELD CONTROLSFresh Air Intake Dampers

FIELD CONTROLS Motorized Damper: For 8 in Dia, 8 1/8 in L, 12 7/8 in H, 12 7/8 in W, Crimped/Slip-Over

The FIELD CONTROLS FCD-8 is a motorized fresh air intake damper for 8-inch diameter ducts, featuring a flat blade with a rubber seal and a normally closed switch action. It operates on 24V AC nameplate voltage and…

SKU 3G-OTH-78217

Also listed as: FCD8 · FCD 8

Brand
FIELD CONTROLS
Item
Motorized Damper: For 8 in Dia, 8 1/8 in L, 12 7/8 in H, 12 7/8 in W, Crimped/Slip-Over
Category
Fresh Air Intake Dampers
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FIELD CONTROLS
Manufacturer Part Number
FCD-8
Type
8 1/8 in L, 12 7/8 in W, Crimped/Slip-Over, Single
H
12 7/8 in
Includes
Mounting Packet Containing Sheet Metal Screws
Blade Type
Flat Blade
Switch Action
Normally Closed
Nameplate Voltage
24V AC
Blade Seal Material
Rubber
Maximum Air Velocity
1,000 fpm

Technical Documents

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

Product Description

The FIELD CONTROLS FCD-8 is a motorized fresh air intake damper for 8-inch diameter ducts, featuring a flat blade with a rubber seal and a normally closed switch action. It operates on 24V AC nameplate voltage and supports a maximum air velocity of 1,000 fpm. The unit measures 8 1/8 inches in length, 12 7/8 inches in height, and 12 7/8 inches in width, with a crimped/slip-over connection, and includes a mounting packet with sheet metal screws.

Frequently Asked Questions

What is the FIELD CONTROLS FCD-8 motorized damper used for?

The FIELD CONTROLS FCD-8 is a motorized fresh air intake damper for 8-inch diameter ducts. It controls outdoor airflow into HVAC systems, using a flat blade with rubber seal and normally closed switch action to prevent backdraft when not energized.

What are the specifications of the FIELD CONTROLS FCD-8?

The FCD-8 operates on 24V AC, handles maximum air velocity of 1,000 fpm, and measures 8 1/8 in L x 12 7/8 in H x 12 7/8 in W. It features a crimped/slip-over connection, flat blade with rubber seal, and includes a mounting packet with sheet metal screws.

Where to buy the FIELD CONTROLS FCD-8 worldwide?

3G Electric supplies the FIELD CONTROLS FCD-8 motorized damper to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fresh air intake damper.

How to install the FIELD CONTROLS FCD-8 motorized damper?

Install the FCD-8 by connecting the crimped end into the duct and securing with sheet metal screws from the included mounting packet. Wire the 24V AC supply to the normally closed switch terminals. Ensure the blade moves freely before sealing duct joints.

Used in

Common applications for FIELD CONTROLS
Residential and commercial furnace exhaust — FIELD CONTROLS SWG-8 power venter for 7- to 8-inch pipes
Fresh air intake in HVAC systems — FIELD CONTROLS FAD-12 motorized damper for 12-inch ducts
Boiler combustion air control — FIELD CONTROLS FAD-6 motorized damper for 6-inch ducts
Humidifier maintenance — FIELD CONTROLS 2006 drain valve for S2000-LH and S2020-LH models
Ventilation balancing in industrial buildings — FIELD CONTROLS FAV-4 motorized damper for 4-inch ducts

FIELD CONTROLS Products

3G Electric supplies FIELD CONTROLS fresh air intake dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Motorized Damper: For 5 in Dia, 6 1/8 in L, 9 7/8 in H, 9 7/8 in W, Crimped/Slip-Over, Single (MPN FAD-5)
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Motorized Damper: For 5 in Dia, 6 1/8 in L, 9 7/8 in H, 9 7/8 in W, Crimped/Slip-Over, Single (MPN FCD-5)
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Motorized Damper: For 5 in Dia, 6 1/8 in L, 9 7/8 in H, 9 7/8 in W, Crimped/Slip-Over, Single (MPN FCD-5)
Motorized Damper: For 7 in Dia, 7 1/8 in L, 11 7/8 in H, 11 7/8 in W, Crimped/Slip-Over, Single (MPN FCD-7)
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Motorized Damper: For 7 in Dia, 7 1/8 in L, 11 7/8 in H, 11 7/8 in W, Crimped/Slip-Over, Single (MPN FCD-7)

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