J&D Manufacturing Manual Variable Fan Speed Controller
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J&D Manufacturing Manual Variable Fan Speed Controller
The JDMV1 variable speed controller is engineered for dependable airflow adjustment, allowing growers to fine-tune circulation fan performance with smooth, precise control. Its rugged sealed enclosure, overload protection, and versatile voltage compatibility ensure long-lasting operation, making it ideal for users who need reliable manual speed regulation to support consistent ventilation and environmental management.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
J&D Manufacturing Manual Variable Fan Speed Controller
Built for adjustable airflow management, the JDMV1 speed controller delivers smooth, reliable fan control to match changing ventilation needs. Its sealed enclosure, overload protection fuse, and variable output knob provide durable, long-lasting performance, making it ideal for growers who need dependable manual speed regulation to support stable air movement and improved environmental consistency.
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Provides precise variable-speed control for compatible fan motors. -
Overload protection fuse helps prevent damage during heavy use.
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Rugged, gasket-sealed housing resists dust, moisture, and wear.
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On/off toggle switch and manual adjustment knob allow simple operation.
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Internal low-speed adjustment ensures stable performance at reduced output.
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Available in corded or hardwire-ready versions for flexible installation.
Reliable Speed Control for Greenhouse Ventilation Systems
The Manual Variable Fan Speed Controller is designed for growers who need precise, adjustable airflow to maintain balanced circulation. Its durable enclosure and smooth variable output ensure dependable performance while helping fine-tune fan speeds throughout your structure.
Why J&D Manufacturing?
J&D Manufacturing, founded in 1981 in Eau Claire, WI, is a family-owned company specializing in high-performance, high-efficiency ventilation and comfort solutions for agriculture. Partnering with dairy, poultry, swine, and other producers, J&D delivers American-made systems that improve animal comfort, reduce costs, and boost productivity, all while supporting the evolving needs of modern farming across the U.S. and worldwide.
Why Buy From Us?
At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.
FAQ Section
Specifications 
| J&D Manufacturing Manual Variable Fan Speed Controller |  |
|---|---|
| Product Name | Manual Variable Fan Speed Controller |
| JDMV1 (No Cord) | |
| SKU | JDMV1 |
| Voltage | 115 / 230 Volts (Hardwired) |
| Output | 1 Variable Speed Output (12 FLA) |
| Overload Protection | 15 Amp Fuse |
| Controls | ON/OFF Toggle + Variable Knob |
| Enclosure | Rubber Gasket Sealed (6" x 6" x 3-3/4") |
| Spec Sheet | |
| Installation Guide |
What is included?
It includes:
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Manual Variable Fan Speed Controller
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ON/OFF toggle switch and manual speed adjustment knob
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Internal 15-amp overload protection fuse installed
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RFI/EMI noise suppression filter built-in
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Internal adjustable low-speed output setting
Warranty Policy
Please check out the manufcaturers website for Warranty related issues.
