J&D Manufacturing 8 Stage Ventilation Controller
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J&D Manufacturing 8 Stage Ventilation Controller
The JD-26PLUS ventilation controller is designed for advanced, dependable environmental management, giving producers flexible multi-stage control for heating, cooling, and airflow equipment. Its sealed enclosure, clear LCD screen, and password protection support secure operation, while dual variable-speed stages and multiple relay outputs provide precise system control. Ideal for facilities needing expandable sensor inputs, configurable relays, and efficient, scalable ventilation automation in demanding agricultural environments.
- Features & Benefits
- Product Specifications
- What is included?
- Warranty Policy
J&D Manufacturing 8 Stage Ventilation Controller
Built for multi-zone ventilation and equipment staging, the JD-26PLUS controller delivers flexible, secure control for temperature-driven heating and cooling systems. Its sealed enclosure, easy-to-read LCD screen, and password protection support reliable operation, while two independent variable-speed stages and multiple relay outputs make it ideal for producers who need scalable automation, configurable settings, and consistent climate management in demanding agricultural facilities.
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Provides 8 stages of control with two independent variable-speed outputs plus six on/off relay stages. -
Fully configurable relay stages support heating, cooling, curtains, actuators, duty cycles, and more.
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Supports multiple inputs including up to four interior temp sensors, outside temp, humidity, and potentiometers.
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Two-line, 24-character LCD with hot keys, on-screen help, and navigation buttons simplifies setup.
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Adjustable motor curves and indicator status lights help fine-tune performance and monitor outputs.
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Includes a 30 ft temperature probe and accepts extended sensor lengths up to 500 ft.
Advanced Multi-Stage Climate Control for Agricultural Facilities
The 8 Stage Ventilation Controller is built for growers who need precise, automated control over complex ventilation and climate systems. Its sealed enclosure, clear LCD display, and flexible input and output options ensure dependable performance while helping manage heating, cooling, and airflow across your facility.
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 8 Stage Ventilation Controller |  |
|---|---|
| Product Name | 8 Stage Ventilation Controller |
| SKU | JD-26PLUS |
| Control Stages | 2 Variable Speed + 6 Relay Stages |
| Variable Speed Output | 2 independent stages, 12 FLA each |
| Relay Output | 6 stages (12 FLA each) + 1 Alarm relay |
| Display | 2-line, 24-character LCD |
| Sensor Inputs | Up to 4 interior temp, 1 exterior temp, 1 humidity, 2 potentiometers |
| Included Sensor | 30 ft temperature probe (extendable up to 500 ft) |
| Configuration | Fully configurable relay stages |
| Compatibility | FarmQuest, FarmSite, WiFarm telesystem technologies |
| Voltage | 115 or 230 Volt |
| Frequency | 50/60 Hz |
| Ambient Range | 32°F to 113°F (0°C to 45°C) |
| Enclosure Size | 11" x 8" x 6" |
| Spec Sheet | |
| User Manual |
What is included?
It includes:
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J&D Manufacturing 8 Stage Ventilation Controller
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Sealed enclosure with 2-line, 24-character LCD display
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Navigation buttons and 8 hot keys for easy control
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Password protection and on-screen help system
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Standard 30-foot temperature probe
Warranty Policy
Please check out the manufcaturers website for Warranty related issues.
