Johnson Controls
Johnson Controls Parts & Sensors
Metasys | N2 Service & Support
Johnson Controls Legacy 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 relectrical equipment control applications.
Metasys N2 Series
- DX-9100
- DX-9120
- DX-9121
- 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
- VMA-1420
- VMA-1440
JCI AS Controllers
Metasys N2 Series | AHU, ILC, LCP, MIG, UNT
UNT-110, UNT-111. The Johnson Controls AS Unitary Controllers are for air handling units, unit ventilators, fan coils, heat pumps and other units service single zones.

Johnson Modules We Currently Support
- AS-AHU
- AS-ILC
- AS-LCP
- AS-MIG
- AS-UNT
- AS-ZTU
- DX-9100
- DX-9120
- DX-9121
- DX-9200
- EN-BSF
- EN-TBC
- EN-TBF
- FA-N31010
- FA-NCM
- FIREOWS-PC
- FM-OAi
- IO-NTU
- MN-CPN
- MM-FAC
- MS-IOU
- MS-MIG
- MS-N30
- NU-ARC
- NU-ARCHUB
- NU-COM
- NU-DCM
- NU-MDM
- NU-NCM
- NU-NET
- NU-NIM
- NU-PWR
- NU-ZBN
- NU-XRE
- NU-XRL
- NU-XRL
- VAV
- VMA
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.
Johnson Supported Parts List
AS-AHU-101-0 | TERMINATION BOARD | |
---|---|---|
AS-AHU-101-1 | TERMINATION BOARD | |
AS-AHU-102-0 | LOGIC BOARD | |
AS-AHU-103-300 | CONTROLLER IN UPM | |
AS-ILC-101-0 | LIGHTING CONTROLLER | |
AS-ILC-102-0 | LIGHTING CONTROLLER | |
AS-LCP-100-0 | LAB & CENTRAL PLANT CTRL. | |
AS-LCP-200-0 | LAB & CENTRAL PLANT CTRL. | |
AS-MIG-201-0 | INTEGRATOR 1 PORT | |
AS-MIG-202-0 | INTEGRATOR 2 PORT | |
AS-UNT-100-0 | METASYS UNITARY CONTROLLER | |
AS-UNT-110-0 | METASYS UNITARY CONTROLLER | |
AS-UNT-110-1 | METASYS UNITARY CONTROLLER | |
AS-UNT-1108 | JCI UNITARY CONTROLLER | |
AS-UNT-111-0 | UNITARY CONTROLLER 2AMP 24VAC 6BO/2AO | |
AS-UNT-111-1 | UNITARY CONTROLLER 2AMP 24VAC 6BO/2AO | |
AS-UNT-1126-0 | METASYS UNITARY CONTROLLER 24VAC 8VA CLASS2 | |
AS-UNT-1144-0 | UNITARY CONTROLLER 6 IN 4 OUT | |
AS-UNT-120-1 | METASYS UNITARY CONTROLLER | |
AS-UNT-121-1 | UNITARY CONTROLLER 0-10VDC 2KOHM -40/140DEG F | |
AS-UNT-140-1 | JOHNSON CONTROLS METASYS AS-UNT140-1 CONTROLLER | |
AS-UNT-141-1 | UNITARY CONTROLLER UNIT 2AMP 24VAC CLASS 2 | |
AS-VAV-101-0 | ||
AS-VAV-110-1 | ||
AS-VAV-111-1 | METASYS AS VAV DIGITAL CONTROLLER | |
AS-VAV-DPT1-1 | VAV ROOM CONTROLLER | |
AS-ZTU-100-0 | ZONE TERMINAL | |
AS-ZTU-100-1 | ZONE TERMINAL | |
DX-9100-7454 | DIGITAL CONTROLLER | |
DX-9100-7990 | MTG. BASE | |
DX-9100-8454 | DIGITAL CONTROLLER | |
DX-9100-8990 | MTG. BASE | |
DX-9100-8996 | DOOR MTG. BASE | |
DX-9120-7454 | LON DIGITAL CONTROLLER | |
DX-9120-8454 | LON DIGITAL CONTROLLER | |
DX-9121-8454 | LON DIGITAL CONTROLLER | |
DX-9200-8454-A | LON FTT 10A CONTROLLER | |
DX-9200-8454-AA | LON FTT 10A DX CONTROLLER | |
EN-BSF-101-0 | BASEFRAME | |
EN-BSF-201-0 | BASEFRAME | |
EN-BSF-501-0 | BASEFRAME | |
EN-TBC-801-0 | TERMINAL BOARD | |
EN-TBC-821-0 | TERMINAL BOARD | |
EN-TBF-101-0 | TERMINAL BOARD 1 | |
EN-TBF-201-0 | TERMINAL BOARD 2 | |
EN-TBF-301-0 | TERMINAL BOARD 3 | |
FA-N31010-700 | SUPERVISORY CTRL. | |
FA-N311010-0 | SUPERVISORY CTRL. | |
FA-N311010-1 | SUPERVISORY CTRL. | |
FA-N311310-0 | SUPERVISORY CTRL. | |
FA-N311310-1 | SUPERVISORY CTRL. | |
FA-N311310-700 | SUPERVISORY CTRL. | |
FA-NCM-350-8 | FACILITATOR NCM | |
FA-UNT-110-0 | ||
FA-UNT-111-1 | CONTROLLER .5-2AMP 24VAC 0-10VDC CLASS 2 | |
FA-UNT-121-1 | ||
FA-VAV-110-1 | ||
FA-VAV-111-1 | ||
FIREOWS-PC-01 | METASYS FIRE SYSTEM | |
FIREOWS-PC-02 | METASYS FIRE SYSTEM | |
FIREOWS-PC-03 | METASYS FIRE SYSTEM | |
FM-OAI-101-0 | OUTPUT ANALOG MODULE | |
IO-NTU-101-0 | NETWORK TERMINAL UNIT | |
IO-NTU-101-700 | NETWORK TERMINAL UNIT | |
IO-NTU-102-0 | NETWORK TERMINAL UNIT | |
IO-NTU-102-700 | NETWORK TERMINAL UNIT | |
MM-CPN-201-0 | COMPANION | |
MM-CPN-201-700 | COMPANION | |
MM-FAC-201-0 | FACILITATOR | |
MS-FEC-1610-0 | FIELD EQUIPMENT CONTROLLER | |
MS-FEC-2610-0 | FIELD EQUIPMENT CONTROLLER | |
MS-IOU-4710-0 | I/O M 6UI | |
MS-MIG-3120-700 | METASYS INTEGRATOR | |
MS-N301012-1 | N30 W/O ETHERNET CARD | |
MS-N301310-0 | SUPERVISORY CTRL. | |
MS-N301310-1 | SUPERVISORY CTRL. | |
MS-N301312-1 | SUPERVISORY CTRL. | |
NU-ARC-101-0 | UL LISTED ARCNET | |
NU-ARCHUB-0 | METASYS UL ARCNET | |
NU-COM-101-0 | RS232 SUBMODULE | |
NU-DCM-101-0 | DIGITAL CONTROL MODULE | |
NU-DCM-140-0 | DIGITAL CONTROL MODULE | |
NU-L2B101-0 | L2 SUBMODULE | |
NU-MDM-101-0 | MODEM SUBMODULE | |
NU-NCM-101-0 | NETWORK CONTROL MODULE | |
NU-NCM-102-0 | NETWORK CONTROL MODULE | |
NU-NCM-200-0 | NETWORK CONTROL MODULE | |
NU-NCM-201-1 | NETWORK CONTROL MODULE | |
NU-NCM-300-0 | NETWORK CONTROL MODULE | |
NU-NCM-300-1 | NETWORK CONTROL MODULE | |
NU-NCM-300-2 | NETWORK CONTROL MODULE | |
NU-NCM-350-1 | NETWORK CONTROL MODULE | |
NU-NCM-350-8 | NETWORK CONTROL MODULE | |
NU-NCM-401-0 | NETWORK CONTROL MODULE | |
NU-NET-101-0 | ARCNET CARD | |
NU-NET-301-0 | ETHERNET CARD | |
NU-NIM-206-1 | NETWORK ID MODULE | |
NU-PWR-101-0 | POWER SUPPLY | |
NU-PWR-350-8 | REPLACEMENT POWER SUPPLY | |
NU-XBN-101-0 | POINT MULTIPLEX MODULE | |
NU-XRE-101-0 | POINT MULTIPLEX MODULE | |
NU-XRL-101-0 | POINT MULTIPLEX MODULE | |
NU-XRL-101-0 | POINT MULTIPLEX MODULE | |
VMA-1410-0 | JCI VARIABLE AIR VOLUME MODULAR ASSEMBLY | |
VMA-1420-0 | VARIABLE AIR VOLUME MODULAR ASSEMBLY | |
VMA-1440-0 | VARIABLE AIR VOLUME MODULAR ASSEMBLY | |
VMA-1610-0 | VARIABLE AIR VOLUME CONTROLLER/ACTUATOR | |
VMA-1610-1 | VARIABLE AIR VOLUME CONTROLLER/ACTUATOR | |
VMA-1620-0 | VARIABLE AIR VOLUME CONTROLLER/ACTUATOR | |
VMA-1620-1 | INTEGRATED VAV CONTROLLER/ACTUATOR/PR SENSOR | |
VMA-1630-0 | VMA CONTROLLER 3UI 3BO 2CO |