Johnson Controls AP-VMA1420-0 — The Johnson Controls AP-VMA1420-0 is a VAV Modular Assembly or VMA designed for applications in HVAC systems

Part number	AP-VMA1420-0
Brand	Johnson Controls
Description	The Johnson Controls AP-VMA1420-0 is a VAV Modular Assembly or VMA designed for applications in HVAC systems
Manufacturer	Johnson Controls
Product Line	Metasys AS
Part Number	AP-VMA1420-0
Weight	3.06 lbs (1.39 kg)
Module Type	Variable Air Volume Modular Assembly (VMA)
Specification	Cooling with Reheat and/or Fan Powered Model
Supply Voltage	20-30 VAC at 50 or 60 Hz
Power Consumption	10 VA maximum (relay and valve requirements not included)
Optional 24 VAC Fuse Current	2.0 Amps
Ambient Operating Conditions	0 to 50°C (32 to 122°F)
Ambient Storage Conditions	-40 to 70°C (-40 to 158°F)
Terminations	6.3 mm (1/4 in.) spade lugs except for communications, which are screw terminals
Serial Interfaces	N2 Bus and Zone Bus
N2 Controller Addressing	DIP switch set (1-253) Addresses 254 and 255 are reserved. Software addressable with the HVAC PRO program Release 7.02 or later, or the VBT program
Communications Bus	N2 between VMA and NCM/N30 (3-wire). Zone Bus between VMA and room sensor (8-pin phone jack or wire to spade lugs or optional plug-on terminals)
Housing	Plastic housing for controller/actuator with UL 94-5VB Plenum Flammability Rating
Actuator Torque	4 Nm (35 lb. in) minimum

The Johnson Controls AP-VMA1420-0 is a VAV Modular Assembly or VMA designed for applications in HVAC systems. It is a cooling type of VMA with a reheat and/or fan-powered system. Its supply voltage range is 20-30 Volts AC at 50/60 Hz, and it consumes 10 VA of maximum power (relay and valve requirements excluded). The AP-VMA1420-0 VMA’s optional 24 Volts AC fuse current rating is 2.0 amperes....

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.