Quest 746 Industrial Dehumidifier — 746 Pints/Day - 480V
Introducing the Quest 746 Dehumidifier, your powerhouse solution to humidity control in demanding commercial environments.
Built with patented M-CoRR technology, this unit is your route to achieving an optimum moisture level, crucial for operations in agriculture, industrial manufacturing, and other moisture-sensitive industries. With its 746-pint-a-day capacity, you can easily maintain the right amount of humidity round the clock.
But even with the Quest 746 running round-the-clock, it still manages to pull more water for every kilowatt-hour, giving you more savings. And with the MERV 13 filtration system, contaminants stay away from your controlled environment.
This high-capacity dehumidifier is also easy to install and use and use. With integrated handles and hang points, the Quest 746 can be suspended overhead to free up valuable floor space or placed on the floor for no-frills operations. The industry’s lowest amp draw ensures less heat output, preserving a comfortable ambiance.
The Quest 746 meets California Title 24 requirements, is UL-certified and ETL-listed, and has a five-year warranty.
Quest 746 Features

M-CoRR Technology
The Multi-Coil Refrigeration allows the Quest 746 to achieve a remarkable 746 pints capacity with an 7.3 pint per kilowatt hour efficiency.

MERV 13 Filtration
Thanks to the superior MERV-13 filtration on the Quest 746, you get healthier air quality, effectively removing dust, pollen, mold, and bacteria.

External Control
The 746 features an external controller you can mount separately for easier access.

Title 24 Compliance
The Quest 746 is Title 24 compliant, making it one of the energy-efficient dehumidification systems available today.

Durable Construction
The Quest 746 is made with anti-corrosive material, making it ideal for dehumidifying work.

Flexible Installation
Suspend the Quest 746 or leave it freestanding; the choice is yours, thanks to the compact design.
Quest 746 Highlights
- 746 pint capacity per day
- 1750 CFM
- 48400 total BTU
- 4266 watts
- M-CoRR Technology
- MERV-13 Filtration
- External controller
- Anti-corrosion base
- Plug and Play Operation
- Can be suspended or freestanding
- Title 24 Compliant
- UL-Rated
- ETL-Listed
- Five-warranty
Quest 746 Specifications
CFM
| 1750 @ 0.0” WG |
Power (Watts): | 4300 |
Supply voltage: | 480 VAC 3 Phase - 60 Hz |
Current Draw (Amps): | 6.5A |
Rated Current Draw (Amps): (40°C 36%) | 7.5A |
Minimum Circuit Ampacity (MCA): | 10A |
Maximum Overcurrent Protection (MOP): | 15A
|
Efficiency (Liters/kWh): | 3.45 |
Operating Temp: | 56 F Min – 95 F Max |
Water Removal (Liters/Day): Efficiency (Pints/Kwh) | 746 7.3 |
Air Filter (MERV-13): | Size: 18” x 20” x 2” |
Power Cord: | No Cord |
Electrical Knockout Size | 3/4” (1.094” opening) |
Drain Connection: | 3/4 Threaded NPT |
Refrigerant Type: | R410A |
Refrigerant Amount: | 6lbs 4oz |
Warranty: (years) | 3 |
Dimensions | 28.9" W x 34.1" H x 44.8" L |
Quest 746 Installation Options

FREESTANDING UNIT

CAN BE MOUNTED OVERHEAD WITH USE OF 3/8″ THREADED ROD

P-TRAP REQUIREMENTS
Quest 746 Manuals


Quest 746 Warranty
Quest offers a 5-year warranty. This does not include user error or operator abuse.