Which models does this kit fit?

It fits the Quest 506, 506 277V, 746 480V, 876, and 706 50-Hz dehumidifiers. That covers five related models in the larger Quest commercial lineup.

What does this kit do?

It lets the dehumidifier draw intake air from a different room or an out-of-sight space, rather than pulling air only from where the unit sits. That helps in facilities where fresh intake air needs to come from a specific area.

It attaches at the duct collar the unit already has, requiring no modification to the dehumidifier. The installation process is the same across all five compatible models.

Does this kit include exhaust or supply fittings?

No, this kit handles intake air only. Separate exhaust duct kits are available for the Quest 506 line if you also need to route exhaust air.

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Quest Intake Duct Kit for Quest 506, 506 277V, 746 480V, 876 and 706, 50-HZ

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$765.00

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Quest Intake Duct Kit for Quest 506, 506 277V, 746 480V, 876 and 706, 50-HZ

Name: Quest Intake Duct Kit for Quest 506, 506 277V, 746 480V, 876 and 706, 50-HZ
Brand: Quest
SKU: QST4038642
Price: 765 USD
Availability: InStock

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QST4038642

$765.00

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Description
Features
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Intake Duct Kit for Quest 506, 746, 876, and 706 Dehumidifiers

Drawing intake air from the same room a dehumidifier occupies works in many setups, but some installations need to pull air from an adjoining space instead, especially in larger commercial facilities. This intake duct kit attaches to the existing duct collar across five related Quest models, letting each unit pull intake air from a separate room.

It covers the Quest 506, 506 277V, 746 480V, 876, and 706 50-Hz dehumidifiers, giving one kit broad coverage across this model group.

Key Features & Benefits

Connects at the Built-In Collar — the dehumidifier itself needs no modification.
Pulls Intake Air From Elsewhere — draws air from another room or space.
Covers Five Quest Models — fits the 506, 506 277V, 746 480V, 876, and 706 50-Hz units.
Straightforward Installation — designed for a direct, tool-light fit.

Who Should Use This Quest Intake Duct Kit

Owners of the Quest 506, 506 277V, 746 480V, 876, or 706 50-Hz dehumidifier who need to pull intake air from a separate room or space.

About Quest

Quest is a moisture-control equipment brand from Therma-Stor LLC of Madison, Wisconsin, alongside the company's sister brand Anden. Quest's dehumidifiers use patented M-CoRR multi-coil technology to recapture heat generated during dehumidification, built for indoor cultivation, food production, and other demanding commercial and industrial facilities.

Frequently Asked Questions

Which models does this kit fit?: It fits the Quest 506, 506 277V, 746 480V, 876, and 706 50-Hz dehumidifiers. That covers five related models in the larger Quest commercial lineup.
What does this kit do?: It lets the dehumidifier draw intake air from a different room or an out-of-sight space, rather than pulling air only from where the unit sits. That helps in facilities where fresh intake air needs to come from a specific area.
How is it installed?: It attaches at the duct collar the unit already has, requiring no modification to the dehumidifier. The installation process is the same across all five compatible models.
Does this kit include exhaust or supply fittings?: No, this kit handles intake air only. Separate exhaust duct kits are available for the Quest 506 line if you also need to route exhaust air.

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