
12-CLBD Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $99.99 | Condition is New, 12 CLBD EWC 12 CLBD CONSTANT LOAD BY-PASS DAMPER Brand New, shipping cost = $9.69 | 100.0% |
![]() | $145.29 | Top Pick! Condition is New, 12 CLBD EWC 12 CLBD CONSTANT LOAD BY-PASS DAMPER *Bent Box*, FREE SHIPPING | 100.0% |
![]() | $155.05 | Condition is New, EWC 12 CLBD Constant Load Bypass Damper 12" OD 1100 CFM Galvanized Steel, FREE SHIPPING | ![]() |
![]() | $162.32 | Condition is New, 12 CLBD EWC 12 CLBD CONSTANT LOAD BY-PASS DAMPER, shipping cost = $9.99 | 98.4% |
![]() | $178.39 | Top Pick! Condition is New, EWC Controls 12-CLBD Ultra-Zone 12 in Constant Load Bypass Damper, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $119.19 | Top Pick! Condition is New – Open box, 12 CLBD EWC 12 CLBD CONSTANT LOAD BY-PASS DAMPER, FREE SHIPPING | 100.0% |

The EWC 12-CLBD 12 CLBD bypass damper is a critical component in HVAC (Heating, Ventilation, and Air Conditioning) systems designed to ensure optimal indoor climate control and energy efficiency. This bypass damper, manufactured by Evapco, is specifically engineered for 12-inch (305 mm) ductwork applications.
The damper functions as a bypass, allowing conditioned air to bypass the cooling coil when necessary. This feature is essential in maintaining a consistent indoor temperature, particularly during periods of high outdoor temperatures or when the cooling capacity of the system is exceeded. By permitting a portion of the air to bypass the cooling coil, the damper reduces the strain on the system, preventing overcooling and potential damage.
The EWC 12-CLBD 12 CLBD bypass damper is meticulously crafted using high-quality materials. The damper blade is made of heavy-duty aluminum, ensuring strength and durability. The damper housing is made of galvanized steel, providing resistance to corrosion and ensuring a long service life. The damper mechanism is engineered for smooth operation, with adjustable settings that enable precise control over the amount of bypassed air.
The damper is designed to be easily integrated into HVAC systems, with a compact size and a simple installation process. The damper's actuator can be controlled manually or automatically, depending on the specific system requirements. The damper is also compatible with various control systems, allowing for seamless integration into building automation systems.
In conclusion, the EWC 12-CLBD 12 CLBD bypass damper is an indispensable component in HVAC systems, designed to ensure optimal climate control and energy efficiency. With its robust construction, smooth operation, and compatibility with various control systems, this damper is an excellent choice for maintaining a comfortable indoor environment while minimizing energy consumption.
Pros and Cons of Buying an EWC 12-CLBD 12 CLBD By-Pass Damper
The EWC 12-CLBD 12 CLBD By-Pass Damper is a component used in HVAC (Heating, Ventilation, and Air Conditioning) systems. This damper allows for the bypass of conditioned air when the outdoor air condition meets or falls below the temperature set on the thermostat. Here are the pros and cons of investing in this damper:
Pros:1. Energy Savings: By-pass dampers help save energy by allowing the system to bypass conditioned air when the outdoor temperature is within a certain range. This results in less energy consumption and lower utility bills.
2. Improved Comfort: The damper ensures consistent temperature and humidity levels within the building by regulating the flow of air. This leads to improved comfort for the occupants.
3. Reduced Wear and Tear: By allowing the system to bypass conditioned air when the outdoor temperature permits, the HVAC system experiences less wear and tear, which can lead to a longer lifespan.
Cons:1. Cost: The EWC 12-CLBD 12 CLBD By-Pass Damper is a specialized component and can be costly to purchase and install.
2. Complexity: Installing and maintaining the by-pass damper may require professional expertise, adding to the overall cost and time investment.
3. Potential for Malfunctions: Like any mechanical component, the by-pass damper can malfunction, which may result in increased energy consumption or decreased comfort levels.
In conclusion, the EWC 12-CLBD 12 CLBD By-Pass Damper offers energy savings, improved comfort, and reduced wear and tear. However, it comes with a significant investment cost, complexity in installation and maintenance, and the risk of potential malfunctions.
Recommendation:For building owners and facilities managers looking to invest in energy savings and improved comfort, the EWC 12-CLBD 12 CLBD By-Pass Damper can be a valuable addition to their HVAC system. However, it is recommended to consult with an HVAC professional to assess the specific needs and budget for the installation and maintenance of the damper. Additionally, considering the upfront costs and potential for malfunctions, a thorough cost-benefit analysis should be conducted to ensure a solid return on investment.
Details:
Regardless of the origin of equipment, documentation provided or identification appearing upon equipment described and offered here is in noway certified for, recommended for any specific use.
specifications maxohvac:
- brand: Ewc
- mpn: 12-clbd
- type: Hvac
- country/region of manufacture: United States
- upc: 845484013531
shipping maxohvac:
- type: calculated
- service: ups ground
- carrier: ups
- transit: 4-9 days
- class: standard
payments maxohvac:
- wallet: paypal
- credit card: diners-club
- other
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: no returns
offer maxohvac:
- availability: in stock
- options: ship-to-home
- in stock #: 5
- sold #: 16
- started: august 9, 2025
- best offers: true
- prices: $99.99–$178.39
- item condition:
- New
- New – Open box
seller maxohvac:
- # reviews: 9314
- rating: 100.0%
- city: yellow spring, west virginia






