Johnson Controls

Johnson Controls Legacy Product Support

Johnson Controls

Continued Support for Aging EMS/BAS Controls

Repair and Exchange Program for Defective Controllers

New Replacement Sensors

Buy and Sell Options

National and Independent Account Support

JCI Metasys / N2 Product Support

We provide continued parts support for end-of-life Johnson Controls building systems, including Metasys N2 series JCI DX Controllers, JCI AP Controllers, & JCI AS Controllers. See the full list of Johnson Controls modules we currently support as well as the supported parts & sensors list.

Through our product repair program, our customers increase the life-cycle of their BAS equipment well beyond the OEM (original equipment manufacturer) EOL date. This saves customers thousands of dollars in potential upgrade spending and provides a safety net for their maintenance operation.

Asset Technologies is not affiliated with, sponsored or endorsed by Johnson Controls.

JCI DX Controllers- Repair & Support

The Johnson Controls DX is a system of controllers used for HVAC chiller and boiler plant, lighting and/or electrical equipment control applications.

Metasys N2 Series | DX-9100, DX-9120, DX-9121

JCI AP Controllers – Repair & Support

The Johnson Controls AP Variable Air Volume Modular Assembly are configurable digital controllers for duct systems, supply/exhaust applications.

Metasys N2 Series | VMA-1420, VMA-1440

JCI AS Controllers – Repair & Support

The Johnson Controls AS Unitary Controllers are for air handling units, unit ventilators, fan coils, heat pumps and other units service single zones.

Metasys N2 Series | AHU, ILC, LCP, MIG, UNT

Control Module Repair

BAS control board repair service. All controllers are fully reconditioned, tested, and ship with a full year warranty. Quality control. Warranty guarantee.

Replacement Sensors

Replacement sensors for temperature, pressure, refrigeration and lighting. EOL (end-of-life) system compatible, direct shipping nationwide.


Our warehouse & exchange program allows you to stock ready-to-ship controls reserved exclusively for your maintenance operation. This is effective for multi-site customers who need to minimize system downtime.

Repair vs. Replace

Cost Savings vs. New

On average, refurbishing controls cost 50% or less than the cost of new upgrades. This can can significantly reduce expenses for your facility budget or maintenance operation.

Equipment Life-Cycle

Refurbishing controls can extend the life-cycle of your equipment by 10 years or more! This allows you continued use of your system without the headache of a brand new install.

Quality Assurance

Our trained lab technicians restore each board back to new part specifications. We use UL approved components and each item is final tested before shipping back to you.

Full Warranty

All refurbished items are covered by a full 1 year warranty from date of shipment, guaranteed free from defects.