Skuttle 45 Owner's Manual

Whole-house drum humidifiers

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OWNER'S MANUAL
for Models 45, 90 and 190
Whole-House Drum Humidifiers
Includes Safety, Operating
and Maintenance Instructions,
plus Warranty
CAUTION: Read these instructions
thoroughly before servicing humidifier.
Save this manual for future reference.
Model No.:
Serial No.:
Installation Date:

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Questions and answers

Huguette Beriault
January 29, 2025

the humidifier is an older type, the drum is wet and turns ok but the humidity is low in the house. could it be that the humidistat is defective. If so, where can i buy a new one. I guess for the installation, all I have to do is wire it the same way as the old one. I'm located in Ottawa Ontario Canada. Any info you can give me will be very appreciated. Thank you in advance

1 comments:
Mr. Anderson
May 14, 2025

If the drum is wet and turning but the humidity is low in the house, it does not necessarily mean the humidistat is defective. Other possible causes include:

- The humidistat setting may be too low.
- The outside temperature may have dropped, requiring a lower indoor humidity level to prevent condensation.
- The humidifier pad may be clogged with mineral deposits, reducing evaporation efficiency.
- The furnace may not be running long enough for the humidifier to add sufficient moisture.

Check and clean the pad, verify humidistat settings, and consider the furnace run time before assuming the humidistat is defective.

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Summary of Contents for Skuttle 45

  • Page 1 OWNER’S MANUAL for Models 45, 90 and 190 Whole-House Drum Humidifiers Includes Safety, Operating and Maintenance Instructions, plus Warranty CAUTION: Read these instructions thoroughly before servicing humidifier. Save this manual for future reference. Model No.: Serial No.: Installation Date:...
  • Page 2: Table Of Contents

    Table of Contents Page Thank You!....................1 Warranty Validation Notice ........1 (Important. Please Read) How Your Humidifier Works................. 2 How to Operate Your Humidifier ..............2 How to Check Your Humidifier for Proper Operation ........3 How Water Hardness Affects Scheduled Maintenance ....... 3 How to Maintain Your Humidifier ..............
  • Page 3: Thank You

    Thank you for purchasing a Skuttle whole-house Drum Humidifier. We appreciate your business and are pleased to add your name to our list of valued customers. We sincerely hope you are satisfied with our product and its performance. Skuttle is the oldest manufacturer of residential humidifiers, having been in business since 1917.
  • Page 4: How Your Humidifier Works

    How Your Humidifier Works Your Skuttle Drum Humidifier uses the same principle of evaporation that you see in nature: a warm breeze passing over an expanse of water will evaporate the water and raise the relative humidity (RH), just as it does after a summer shower.
  • Page 5: How To Check Your Humidifier For Proper Operation

    How to Check Your Humidifier for Proper Operation For preseason startup, or to check your humidifier for proper operation (for example, after it has been serviced), follow this four-step procedure: Turn on the water at the valve which leads directly to the humidifier. Make sure the water level is set at 1-3/8 inches.
  • Page 6: How To Maintain Your Humidifier

    (  2. For Models 45 and 90, remove the humidifier cover (1) by lightly prying down and out on the bottom lip of the cover. For Model 190, remove the cover (1) by lifting up on the bottom of the cover.
  • Page 7: Skuttle Automatic, Programmable Flushing Timer

    See the diagram below for disassembly and reassembly of the drum. Clean all parts in a 50/50 solution of vinegar and water. (For stubborn deposits, soak parts overnight.) For reassembly, reverse Steps 1 through 6. To ensure proper humidifier operation, see “How to Check Your Humidifier for Proper Operation”­, page 3.
  • Page 8: Faqs About Iaq

    FAQs about IAQ (Frequently Asked Questions about Indoor Air Quality) Why do I need a humidifier? More and more homeowners are realizing that, during the winter months, they live in a “sick house”­. Family members suffer from dry, itchy skin, parched throats and annoying coughs.
  • Page 9: The Skuttle "Happy House"- Your Assurance Of Enhanced Iaq

    Too much or too little humidity in a home promotes an increase in bacteria, viruses, fungi, respiratory ailments and other unhealthy conditions. Skuttle humidifiers restore a home’s relative humidity to a balanced, healthier, more comfortable 30-to-45 percent range. Filtration Your body’s respiratory system is designed to filter out airborne particles that are three-to-five microns in diameter.
  • Page 10: Skuttle High-Efficiency Air Cleaners

    Skuttle High-Efficiency Air Cleaners ® Help Homeowners Breathe Easier Skuttle Air Cleaners... • Trap most of the in-home, airborne contaminants that are potentially harm- ful to your health. • Provide high-efficiency, high-capacity filtration with minimal airflow resistance. • Contain deep-pleated filter media to permit extended, high-volume service for six months or longer.
  • Page 11: Skuttle Limited One-Year Product Warranty

    Skuttle Limited One-Year Product Warranty ® This limited one-year warranty covers the Skuttle product as designated on the return portion of the warranty registration card, excluding wiring, plumbing and installation. Skuttle Mfg. Co. (a.k.a. Skuttle Manufacturing Company and Skuttle Indoor Air Quality Products) warrants that this product is free from defects in material and workmanship under normal, noncommercial use and service.
  • Page 12 If you have questions about your Skuttle humidifier, or to learn which Skuttle IAQ products are right for your home, contact your local heating and air conditioning contractor: Or contact: 101 Margaret Street, Marietta, OH 45750 Phone (800) 848-9786; Fax: (740) 373-9565 Email: customerservice@skuttle.com Web: www.skuttle.com Skuttle and the “Happy House”­...

This manual is also suitable for:

90190

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