This is a chart for cross-referencing other brand (not Ecojay) zone panel part numbers for replacement with one of the SmartZone product line.

Manufacturer Part # Zones Stages (H - C)

Honeywell HZ432 4 SmartZone-4X ZS4X 3 - 2

Honeywell HZ322 3 SmartZone-4X ZS4X 2 - 2

Honeywell HZ311 2 SmartZone-2X ZS2X or SZ2L 1 - 1

Honeywell HZ221 2 SmartZone-2X ZS2X or SZ2L 1 - 2

EWC UZC4 4 SmartZone-4X ZS4X 3 - 2

EWC BMPlus3000 3 SmartZone-4X ZS4X 2 - 2

EWC BMPlus5000 5 SmartZone-4X ZS4X 2 - 2

EWC BMPlus7000 7 SmartZone-4X ZS4X 2 - 2

EWC NCM300 3 SmartZone-4X ZS4X 2 - 1

EWC ST-2E 2 SmartZone-2X ZS2X or SZ2L 1 - 1

EWC ST-3E 3 SmartZone-4X ZS4X 1 - 1

ZoneFirst H32/P 2 SmartZone-2X ZS2X or SZ2L

ZoneFirst MDZ3 3 SmartZone-4X ZS4X

ZoneFirst MMZ3 3 SmartZone-4X ZS4X

ZoneFirst MZS4 4 SmartZone-4X ZS4X

JacksonSystems Z-200-HC 2 SmartZone-2X ZS2X SZ2L 1 - 1

JacksonSystems Z-200-HC-MS 2 SmartZone-2X ZS2X SZ2L 1 - 1

JacksonSystems Z-200-HP 2 SmartZone-2X ZS2X SZ2L 1 - 2

JacksonSystems Z-2000 20 SmartZone-4X ZS4X

JacksonSystems Z-300-HC-MS 3 SmartZone-4X ZS4X

JacksonSystems Z-300-HPS 3 SmartZone-4X ZS4X

JacksonSystems Z-600 6 SmartZone-4X ZS4X

JacksonSystems WCZ-600 6+ SmartZone-4X ZS4X

Braeburn 140202 2 SmartZone-2X ZS2X SZ2L

Braeburn 140303 3 SmartZone-4X ZS4X

Braeburn 140404 4+ SmartZone-4X ZS4X

DuraZone RED4 SmartZone-4X ZS4X

DuraZone SMZ 2,3,4 SmartZone-4X ZS4X

DuraZone JTZ SmartZone-4X ZS4X

AprilAire 6202 2 SmartZone-2X ZS2X or SZ2L 1 - 1

AprilAire 6203 3 SmartZone-4X ZS4X 1 - 1

AprilAire 6303 3 SmartZone-4X ZS4X 2 - 1

AprilAire 6404 4 SmartZone-4X ZS4X 3 - 2

AprilAire 6402 2 SmartZone-2X ZS2X or SZ2L 0

AprilAire 6504 4 SmartZone-4X ZS4X 3 - 2

Arzel HeatPumPro SmartZone-4X ZS4X

Arzel AirBoss 8 SmartZone-4X ZS4X 3 - 2

Arzel MPS Series 2,3 SmartZone-2X ZS2X SZ2L 1 - 1

Arzel GTPro SmartZone-4X ZS4X 3 - 2

Arzel AloneZone 1 SmartZone-2X ZS2X SZ2L 0 - 0

Zonex Digitrack 3 3 SmartZone-4X ZS4X 2 - 1

Zonex Digitrack 4 4 SmartZone-4X ZS4X 2 - 2

Zonex GEN II-R 10 SmartZone-4X ZS4X 2 - 2

Zonex GEN III 20 SmartZone-4X ZS4X

PLUS MANY MANY MORE! Contact us with questions about compatibility.

If you have any experience with part numbers that are not listed on this sheet, please comment and I will add them.