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  1. Home
  2. Humidifiers
  3. Self-Contained
  4. Model CB777 Parts

Trion CB777, 707 and 500 Humidifier Series Parts

Buy a New 707U Dome Reservoir Pan Float Assembly Bracket Mount Nozzle Motor Cover Motor Rubber Damper Motor Base Retainer Clips Diffuser Screen Impeller Impeller Pump Copper Tubes Rubber Feet Center Pan

Trion 707 Series Service Issues

Water quality is a major problem causing corrosion and mineral build-up. Using a food service quality water purifier with scale treatment will keep the 707u clean. The purified water will eliminate the white mineral dust that falls from the evaporating air and it removes odors and corrosives such as chlorine and sodium.

Common problems with the 707 series are:

  • Gap between impeller and motor needs adjustment.
  • Motor corrosion from hard water.
  • Not draining the 707 off season causes motor seizure.
  • Impeller and Pump Cap clog.

Instructions for setting gap: Trion Impeller Adjustment

These photos show a 707u used in a humidor. The photo on the right shows the 707u motor assembly. The motor still runs fine but the aluminum motor cap is heavily corroded from chlorine and has a heavy crust of lime.

The humidor environment runs year round and at a much higher humidity than a residential home. When under such heavy usage the water quality is most important. These photos would be much different if distilled quality water was used.

The centrifuge effect separates the once dissolved heavy minerals from the water. The very fine minerals create a slime. The slime leaves behind the dried residue in the 707 reservoir pan shown in photo.

Test your water and consult with local experts on treatment. Food service quality filters are designed to keep the equipment clean while producing water free of bad taste or smell. Pure water is necessary for moist air with a clean taste and smell. Removing the chorine smell is important for a humidor.




The filtration process of stripping the water of minerals can leave water acrid. The acrid water will cause corrosion. A simple combination filter will remove the minerals, remove the odors, and treat the water with a softener that corrects the high PH.

Photo left shows the impeller pump clogged from the minerals. Removing the pump cap results in sediment falling out. This sediment caused un-balance. To clean the impeller, remove the pump cap. The cap is pressed-in and should simply pull-out. Run the cap under hot water if its stuck.

The unbalance caused the impeller to became loose. The setscrew appeared rusted but it was the brown mineral build-up. The impeller clearance from the base needs to be set to 1/16". The set screw was re-secure using a 1/16" allen wrench.

The Photo on the left shows the top of the impeller. Minerals have been centrifugally separated from the water. Use a pipe cleaner to clean the 6 small holes.

At Bel-Aire we use an automotive parts washer with humidifier cleaning detergent. The re circulating pump cleans the most difficult humidifiers or electronic air cleaners.

Water Treatment & Filtration

Humidifier Reservoir Treatment

  • Humidifier Treatment

Corrosion has been major problem with steam humidifiers which are related to water supply chlorine and minerals.

The NuCalgon 4296-60 primarily used for keep condensate pan drain lines clear can also be used to treat humidifier. Pan-Treat tablets can be used to condition humidifier water in order to prevent odors and deposit build-up.

Pan-Treat is formulated with ingredients proven effective in cleaning and preventing these deposits, and its use will eliminate the extra maintenance costs associated with odors, mineral build up, plugged drains and overflows.

Easy to use and safe, water soluble, non-corrosive, non-toxic and biodegradable. Use 2-4 tablets every four to six weeks as needed. Clean and rinse out the humidifier's reservoir on a regular basis.

Products [23]

1 2 Next Page View All
Trion Centrifugal Atomizing Humidifier 269450-001 w/Humidistat
(0)
Trion Centrifugal Atomizing Humidifier 269450-001 w/Humidistat
$299.00
Add To Cart
Skuttle Humidifier 10 Micron Water Filter with Activated Carbon
(0)
Skuttle Humidifier 10 Micron Water Filter with Activated Carbon
$25.00
Add To Cart
Discharge Dome Molded Red Plastic for 707 Series
(0)
Discharge Dome Molded Red Plastic for 707 Series
$24.00
Add To Cart
Motor Cover Aluminum Cap for Trion 707 Series
(0)
Motor Cover Aluminum Cap for Trion 707 Series
$17.00
Add To Cart
Retainer Clips for Diffusing Screen on Trion 707 (Qty 4)
(0)
Retainer Clips for Diffusing Screen on Trion 707 (Qty 4)
$9.00
Add To Cart
Motor Base Black Plastic for Trion 707 Series
(0)
Motor Base Black Plastic for Trion 707 Series
$29.00
Add To Cart
Diffusing Screen Plastic Ring for Trion 707 Series
(0)
Diffusing Screen Plastic Ring for Trion 707 Series
$31.00
Add To Cart
Impeller with Pump Cap for Trion 707 Series
(0)
Impeller with Pump Cap for Trion 707 Series
$40.30
Add To Cart
Rubber Motor Mount Vibration Damper for Trion 707 (Qty 4)
(0)
Rubber Motor Mount Vibration Damper for Trion 707 (Qty 4)
$13.00
Add To Cart
Center Pan Black Molded Plastic for Trion 707 Series
(0)
Center Pan Black Molded Plastic for Trion 707 Series
$50.00
Add To Cart
Rubber Feet for Center Pan on Trion 707 (Qty 4)
(0)
Rubber Feet for Center Pan on Trion 707 (Qty 4)
$11.00
Add To Cart
Copper Drip Tube for Trion 707 Series (Qty 2)
(0)
Copper Drip Tube for Trion 707 Series (Qty 2)
$26.00
Add To Cart
Float and Valve Assembly for Trion 707 Series
(0)
Float and Valve Assembly for Trion 707 Series
$47.00
Add To Cart
Reservoir Pan Black Molded Plastic for Trion 707 Series
(0)
Reservoir Pan Black Molded Plastic for Trion 707 Series
$12.00
Add To Cart
Motor and Cover for Trion 707 Series 3000 rpm 120v
(0)
Motor and Cover for Trion 707 Series 3000 rpm 120v
$136.00
Add To Cart
Motor for Trion 707 Series 3000 rpm 240v 50hz
(0)
Motor for Trion 707 Series 3000 rpm 240v 50hz
$127.00
Not for Sale.
Mounting Bracket Galvanized Wire Frame for Trion 707 Series
(0)
Mounting Bracket Galvanized Wire Frame for Trion 707 Series
$15.00
Add To Cart
Nozzle Extension Tube w/Bezel & Clamps for 707 Series
(0)
Nozzle Extension Tube w/Bezel & Clamps for 707 Series
$25.00
Not for Sale.
Impeller Pump End Cap for Trion 707 Series
(0)
Impeller Pump End Cap for Trion 707 Series
$5.00
Not for Sale.
Manual Humidistat 24v or 120v (352680-002C)
(0)
Manual Humidistat 24v or 120v (352680-002C)
$65.00
Add To Cart
1 2 Next Page View All

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