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Beam IQS 3700A

Beam IQS 3700A
Power unit


  • Waterlift: 140
  • Airwatts: 600
  • CFM: 125
  • Amps: 14.5
  • Capacity: 4 gal

Beam IQS 3700A

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Beam IQS 3700A Central Vacuum:

The Beam Serenity IQS utilizes the best of the Beam Serenity QS with added intelligence. The bright blue liquid crystal display (LCD) provides real-time information on system performance.

  • LCD display that provides real-time information
  • Quiet Pak™ Sound Insulation
  • Built-in Utility Inlet
  • Programmable Logic Controller

Electrolux PU3900C


Beam IQS 3700A

Authorized Beam Dealers are only allowed to ship Beam products within 100 mile radius of their location. Beam is a registered trademark of Electrolux Home Care Products Ltd. Thinkvacuums.com is not a licensed dealer nor affiliated with Beam products, however we offer compatible replacement tools and accessories for your Beam unit.
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Beam IQS 3700A Central Vacuum

Beam has been around on the vacuuming market since 1957, but the pinnacle of their engineering and manufacturing was reached when they introduced the Serenity IQS series of vacuum cleaners, which offered consumers everywhere an intelligent cleaning choice and the opportunity to take a closer look at the technological progress that has been made in this domain. The Serenity IQS vacuum cleaners outperform all the other appliances in Beam’s catalog and the Beam Serenity IQS 3700A central vacuum cleaner is one of the two models included in this series. Both the 3700A and the 3900A vacuum cleaners of the Beam Serenity IQS series preserve the features of the Serenity QS and Basic Line vacuum cleaners made by the same manufacturer, but they outsmart them.

The Beam Serenity IQS 3700A central vacuum cleaner is a perfect example of how far the vacuuming industry has reached from a technological point of view. It features a blue LCD display which provides different pieces of information about the performance or state of the vacuum cleaner. It displays the efficiency of the vacuum cleaner, the amount of dirt in the dirt container, the time and temperature, the period of time the system has been running for and many more. The technological progress is also emphasized by the sound insulation system this vacuum cleaner is fitted with – the Quiet Pak sound insulation system –, which is patented by Beam and turns this appliance into a real whisperer by releasing only 72.3 decibels. These 72.3 decibels are produced by a 14.5 amp motor which produces 600 air watts and 125 cubic feet of airflow per minute and uses its power to clean surfaces of up to 7,000 square feet.

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The cleaning results delivered by this vacuum cleaner are beyond reproach for the On-Guard dirt receptacle it features has a special agent which prevents the formation of bacteria. This anti-microbial agent is known as AlphaSan and it is infused into the semi-translucent receptacle, which has a maximum capacity of 4 gallons. The permanent self-cleaning HEPA filtration also improves the cleaning results of the Serenity IQS 3700A vacuum cleaner.

Additional Information Regarding the Beam IQS 3700 Central Vacuum

The Beam Serenity IQS 3700A central vacuum cleaner measures 11 inches in diameter and 42 inches in height and its shipping weight reaches 31.5 pounds whereas the dimensional one reaches 59 pounds. As far as the warranty terms are concerned, they are valid for a period of ten years, which is also the case with the other model in the Beam Serenity IQS series, the Beam Serenity IQS 3900A vacuum cleaner. This extended warranty automatically turns the Serenity IQS 3700A vacuum cleaner into a wise investment for one’s home. In fact, all the features of the Serenity IQS 3700 vacuum cleaner make it a wise investment for one’s home. It is an intelligent appliance with its blue LCD display, it offers a fresh perspective over the progress that has been made in the industry and it provides a fresh and innovative kind of cleaning, its performance being outstanding overall.

Care and Maintenance for the Beam Serenity IQS 3700

Your Beam Built-in Vacuum comes with a lifetime limited warranty (see complete warranty details elsewhere in this pamphlet). It will give you a lifetime of trouble-free service by following some simple guidelines:

  • Motor never needs lubrication. Bearings are permanently sealed and lubricated.
  • Motor brushes should be checked by your authorized Beam dealer after 500 hours of use.
  • Power unit can be dusted off with a clean, soft cloth. Caution: do not use liquid cleaners or water as an electrical shock may occur.
  • The Beam IQS 3700 is not to be tamperd with. Do not place anything on top of power unit as this could restrict cooling air to the motor, causing the motor to overheat.
  • Do not attempt to pick up anything that will not go through the cleaning tool or hose end. Do not use the system to pick up construction debris.
  • Do not attach anything else to the system’s electrical power source. Be sure that a properlysized protected circuit is used for your unit’s electrical requirements. Consult your authorized Beam dealer for the correct size
  • After removing the hose from the inlet, hold the inlet door open for a few seconds to help clear dirt from the vacuum tubing and make sure the power unit has been turned off.
  • To ensure proper cleaning, use only one inlet at a time.
  • If service is ever required, have it performed by your authorized Beam dealer.

Filter maintenance for the Beam Serenity IQS 3700

Beam’s exclusive filter is permanent and selfcleaning. However, if cleaning is desired, just follow these five easy steps:

  1. Remove the dirt receptacle.
  2. Wrap a large plastic trash bag around the lower portion of the power unit, holding it firmly in place.
  3. Grasp the sewn-in weight at the bottom of the filter through the bag (as shown) Shake vigorously Dirt will
    drop into bag.
  4. Carefully remove the plastic bag from the unit. Then empty the dirt receptacle into the bag, as well.
  5. place the dirt receptacle on the power unit. Remember, any dirt that is spilled can be easily vacuumed by attaching the hose to the utility inlet and activating the power unit with the manual switch.


With Beam, you can rest easy.


Lifetime limited warranty

The Beam power unit body and filter are warranted for as long as you own your home. Motor and electrical components are warranted for ten years on the Beam Serenity® QS and seven years on the Beam. Hoses, attachments and accessories are warranted for three years except for consumables such as light bulbs and belts. Ask your Beam dealer for complete warranty details.

Vacuum cleaners used for commercial purposes, except for their motors, will be warranted for a period of six (6) months from the date of purchase. The motors of commercially used upright vacuums will be warranted for one (1) year and the motors of all other commercially used vacuum cleaners will be warranted for two (2) years. Thereafter this Limited Warranty shall be null and void.

This warranty only applies while the product remains within the United States, and shall be null and void in any other US territories, possessions, or foreign countries.

90-day money-back guarantee

If you, the original purchaser, are not satisfied with the performance of your new Beam system within the first 90 days from the date of purchase, your dealer will remove the power unit and refund your money. The 90-day money-back guarantee applies to new and complete installations only.

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