Product Info
8 Inch Motorized Damper 24 or 120 Volt 8 Inch Motorized Damper 24 or 120 Volt The MD Series Motorized Dampers come in either 24 or 120 Volt, normally closed models. The 120 Volt model is supplied with an end switch rated for a 10-amp load. The end switch permits sequencing of operation for a remote fan after damper is opened, enabling use of remote fans to ventilate selectively individual bathrooms, laundry rooms and kitchens. These motorized dampers can also be used to control the sequencing of outside makeup or fresh air in forced air handling systems. Possible controls for use with zoned ventilation systems include: manual spring wound time delay, electronic time delay, cycle timer, programmable timers, occupancy and humidity sensing switches. Flow Control Adjustment: - MINIMUM FLOW ADJUSTMENT: Minimum airflow can be set by loosening the bolt on the shaft and turning the damper from the fully closed position to leave a gap between the gasket and the damper blade . Retighten the bolt with the damper at the desired opening.
- MAXIMUM FLOW ADJUSTMENT (Available only on models without end switch) Maximum airflow can be set by loosening the flow control adjustment bolt. When set , this bolt acts as a stop, limiting the opening of the damper blade. It is preset at the factory to open fully. To adjust, loosen the bolt lock nut, turn the adjusting bolt to the desired setting, and retighten the bolt lock nut. Activate the motor after each adjustment to properly reset the motor and damper blade
| Specifications: A: 8"
B: 8"
C: 11"
D: 2.38" 24 Volt = 23 044 (does not have end switch)
120 Volt = 23 045 (has end switch) |  |
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Shipping Info
| Shipping method |
If you order by |
It should arrive in |
Standard Shipping |
Continental US |
8:00 PM PST |
3-7 business days |
Return Policy
30 day, no questions asked. Return, minus shipping and handling.
Store Info
Store contact information
| We carry all of R.E. Williams Contractor Inc. products on SHOP.COM. We are your advocate and stand behind every purchase you make through our universal shopping cart, so you can shop in complete confidence.R.E. Williams Contractor Inc. is one of our valued partner stores and you can contact them by: |
| Customer service: | 888-845-6597 |
| Toll free (U.S. Only) | 888-845-6597 |
| Customer Service Email | info@rewci.com |
| Web Site | www.rewci.com |
| Postal Address | R.E. Williams Contractor Inc.
25876 The Old Rd. #71
Stevenson Ranch, CA 91381
United States |
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Store Rating
R.E. Williams Contractor Inc. - average rating  (154 ratings)
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"Status reports on progress of order were not a concise as I would have liked. Delivery was missed by two days. However, it appears they tried to update the delivery schedule one time but it was not informative as to new delivery date." |
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Date: 12/11/09 |
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"I had an excellent business transaction with R.E. Williams. Received what was ordered in a timely fashion, and a great deal to boot! Thanks!" |
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Date: 12/10/09 |
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"The right product at a good price and ship on time." |
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Date: 12/6/09 |
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"Fast,convenient service = happy customer" |
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Date: 12/2/09 |
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"Great service. Item was as described, packaging was great and deliverly was quick" |
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Date: 12/1/09 |
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"very good design" |
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Date: 11/29/09 |
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"Good product, shipping and price." |
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Date: 11/23/09 |
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"High quality item, packed well, received quickly in perfect condition." |
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Date: 11/9/09 |
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"Fast shipping, excellant price. Product as advertised!!" |
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Date: 8/31/09 |
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"NEED MORE SHIPPING CHOICES" |
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Date: 8/20/09 |
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