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Quest Dry 155

The Quest Dry 155 dehumidifiers rank among the MOST energy-efficient large capacity dehumidifiers on the market today.

Engineered for the most challenging temperature and air flow issues, Quest Dry 155 dehumidifiers will continue to protect your structure and control the inside environment, ensuring superior indoor air quality and the comfort of its occupants year round. MERV-11 filtration is standard on these units, capturing particles (including mold spores) down to 1 micron in size.

Quest ducting kits and condensate pumps are also available for all three units. These optional kits provide the ultimate in flexibility even for the most complex and difficult installation requirements and applications.


Standard conditions are determined by the American Home Appliance Manufacturers (AHAM) and are used because capacity will vary with conditions. AHAM standard rating conditions are 80ºF and 60%RH. At these conditions, the capacity of the Quest Dry 155 is 155 pints per day.


Quest Dry 155 Specifications

Part No.: 4033090
Power: 8.0 Amps, 115V
Water Removal: 155 Pints/Day
@80°F, 60%RH
Efficiency: 7.3 Pints/kWh
Blower: 391 CFM
Operating Temp: 56°F to 95°F
W x H x D: 38″ x 22″ x 20″
Weight: 140 Lbs.



Optional Accessories

4021475 Air Filter 16x20x2″ MERV-11
4026221 Foot, Leveling, 5/16-18 x 2.25
4031085 Condenser Coil
4031086-02 E-Coat Evaporator Coil
4029510 Filter/Drier
4025741 (Dry 105 & Dry 155)Thermostat, Defrost Control, 43″
4032224 (Dry 155 & Dry 205) Compressor Replacement Kit
4029714 (Dry 155) Compressor Overload
4026657 (Dry 155) Impeller
4033032-05 (Dry 155 & Dry 205) Capacitor, Run, 45 MFD, 370V
4033031-07 (Dry 155) Capacitor, Fan, 15 MFD, 370V
4020924 Relay, SPDT, 24V, 15A
4022484 Relay, SPST, 24V, 30A
4022487 XFMR, 120V, 60Hz, 24V, 40VA


  • Industry-leading efficiency, most efficient on the market today
  • Patented, optimized air-to-air heat exchanger
  • High-efficiency, long-life impeller fan
  • Quiet operation and superior high static pressure performance
  • Superior air filtration (MERV-11 standard)
  • Pre-configured for fresh air ventilation
  • Auto-restart after power outages
  • Environmentally friendly R410A refrigerant

Any Questions?
Call us toll free at 866-933-7486 to speak with our product experts. Or contact us here.

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