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Expedited shipping available. Please call for pricing.
3151 Rectangular Damper
These are CUSTOM, Made-To-Order dampers
that take approximately 3-4 business days to make
Click on pictures in gallery to view entire images.
Steps to ordering Rectangular 2 wire Dampers:
1. Size: Choose any size above. Standard sizes shown are custom-made in 3-4 business days. All dampers are slightly undersized 1/8 inch in both dimensions to slip into an existing duct. Add foam weather stripping to outside of housing to take up any extra space and get a tight fit. A slightly undersized damper works great, but too large can be a problem.
2. Choose Motor Configuration: “Power Open / Spring Close” OR "Power Close / Spring Open": Specify what you want this spring return damper to do when power is removed, either open or close. Tip: If you are hooking this damper to a simple thermostat or switch for direct control, order “Power Open / Spring Close”. If used in a zone control system, order “Power Close / Spring Open”.
3. Which side do you want the motor mounted on? Standard and most common is a side (short side of the damper) mounted motor, but you can also have the motor placed on the long side, or bottom, of damper, at no extra charge.
4. Choose motor voltage: Our standard dampers are 24 volts AC, which is the standard voltage in the HVAC industry, however 110 volts AC is also available for an additional charge.
5. If you need special sizes or options, don’t hesitate to call. When in doubt, just call us at 972-633-8104 and we will answer any questions you have! Due to the large number of sizes and configurations available, these dampers are custom made and not returnable due to size or configuration errors. Please carefully review your confirming invoice to ensure correct product for your application. Check sizes and motor side carefully.
Ask questions and measure your duct carefully and ensure you order the correct size.
Each damper is made to your specification.
06x06 $163
08x06 $165
10X06 $167
12X06 $171
14X06 $175
16X06 $177
18X06 $181
08X08 $169
10X08 $175
12X08 $177
14X08 $181
10X10 $177
12X10 $187
12X12 $189
20X06 $187
22X06 $189
16X08 $189
18X08 $191
20X08 $195
22X08 $201
24X08 $203
14X10 $191
16X10 $199
18X10 $201
20X10 $205
14X12 $201
16X12 $205
18X12 $211
14X14 $205
16X14 $211
18X14 $219
24X06 $191
22X10 $209
24X10 $213
20X12 $217
22X12 $221
24X12 $227
20X14 $225
22X14 $229
24X14 $239
OEM quality damper is sold nationwide under a major HVAC manufacturer's name and is our most popular rectangular damper. Used for zone control systems or slave zones into unoccupied areas, these dampers are all 24vac driven and can be connected directly to a thermostat for simple control of any room or office. Also works with any zone control system using a 2 position, 24vac damper. Constructed of all aluminum and stainless steel parts for long corrosion free operation, these dampers are tested to the industry standard 250,000 cycles of operation, and carry a one year guarantee. All damper blades ride in nylon bushings, for rattle free operation, unlike some other brands, and are made in the USA using the industry proven Hansen “Synchron” motor, with a current industry leading low replacement cost - compare that to other brands!
- Odd sizes available in 1 inch increments
- 24 volts AC (110volts available, additional charge)
- Compatible with almost all brands of zone controllers (for use with zone controllers, order as Normally Open)
- Compatible with direct to thermostat operation (order as Normally Closed)
- Undersized 1/8 inch in both dimensions to easily insert into duct
- Requires a 2.5 to 3 inch slot in side of duct to install, motor faceplate is 5 inches wide
- 15 second or less actuation time on standard motor
- Precision aluminum blades
- 2 wire operation on standard unit, see our other series for 3 wire, power open/power close commercial grade motor (Also see our commercial spring return series for Heavy Duty applications)
- Standard damper rated to 1 inch pressure (great for all residential and most light commercial, consult factory for higher pressure ratings)
- Long term integrity: A 20 year proven design with low cost replacement (Motors, springs, and other parts available at reasonable prices - not so with most other dampers)
