TekOnline

4-Zone Wall Controller Compatibility List

Replacing an older 4-zone wall controller?

This post tracks the systems and controller models the TekOnline 4-Zone Wall Controller is intended to replace or retrofit.

If your current controller is not listed yet, send a photo of the controller label and terminal wiring before ordering and I can check likely fit.

Reference image

SZ-SW4 standard 4-zone wall controller

Compatibility list

Existing controller / SKUStatusWhat it meansNext step
SZ-SW4 Known replacement target The TekOnline 4-Zone Wall Controller is being positioned as an open, ESPHome-based replacement path for this style of standard 4-zone wall controller. Final suitability still depends on wiring, damper hardware, and how the existing system is switched. Compare the terminal wiring and send photos before ordering if you want confirmation.

Known damper compatibility

Damper / motorStatusWhat it meansNext step
Advantage Air CLIP24 clip-in 24V damper motor Known compatible target This motor is sold as a 24 Volts AC two-position open/closed damper motor and is a strong fit for the TekOnline 4-Zone Wall Controller use case. The Oz Air listing also states it is suitable for Exact Air Regulators and Advantage Air barrel dampers. Final suitability still depends on the installed wiring and control scheme. Confirm the field wiring and send photos if you want a pre-purchase compatibility check.

What this controller is designed for

  • 4-zone 24VAC zoning applications
  • ducted HVAC retrofits and new installs
  • users who want ESPHome and Home Assistant integration
  • replacements for simple wall-mounted zone controllers where a proprietary panel is not required
  • systems using 24VAC two-position dampers such as Advantage Air CLIP24

What it is not

  • not a universal replacement for every branded HVAC wall panel
  • not a drop-in match for proprietary communicating bus controllers
  • not a safe assumption if the existing system wiring has not been checked

What to send before ordering

  • your country
  • controller model or SKU
  • number of zones
  • a clear photo of the controller front label
  • a clear photo of the wiring terminals
  • whether the job is a retrofit or new build

If your controller is SZ-SW4, or looks similar, you can start here. If your controller is different, send photos before ordering and I will tell you whether the 4-Zone Wall Controller is a likely fit.

Reference damper listing: Advantage Air CLIP24 on Oz Air.

Latest Firmware

The 4-Zone Wall Controller YAML firmware is open source. Download v2026.05.07 here

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