HVAC Zone Control Boards
Zone control boards are essential in HVAC zoning systems, translating thermostat commands to manage specific home or building zones. Available in multiple configurations, Jackson Systems & Supply offers a wide selection of zone control boards, including options for split systems, RTUs, heat pumps, and dual-fuel applications. These versatile control boards manage heating and cooling units, gas valves, zoning equipment, and furnace ignitors, ensuring precise control over HVAC functions to optimize comfort and efficiency.
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Pick the Right Panel For the Job
Honeywell TrueZONE (Plug-and-Play Kits): For 1H/1C conventional, use the HZ311K 3-zone kit—it includes a discharge air sensor and 40VA transformer for a tidy, one-box install. Step up to the HZ322 panel (2H/2C) or the HZ432K 4-zone kit (3H/2C), which comes with the C7735A DATS and transformer. Add zones later with the TAZ-4H Add-A-Zone to expand HZ432 systems up to 32 zones.
iO HVAC Controls (ESP Series—no bypass needed): Choose built-in static pressure control that eliminates a bypass damper. For single-stage split systems, start with the ZP2-HC-ESP-KIT (2 zones). Need heat pump/dual fuel or multi-stage? Scale to ZP3-HPS-ESP or ZP4-ESP (4 zones). For larger jobs, go ZP6 with the ZP6-EP expansion. Already have a panel? Add the ESP-400 module to control static pressure without a bypass.
Aprilaire (Straightforward Zoning): Solid, easy-to-wire boards like the 6302 2-zone heat-pump panel and 6403 3-zone multi-stage panel cover common residential layouts.
Light Commercial: When the building needs more zones and smarter staging, the iO Z-2000 commercial panel (up to 20 zones) offers auto changeover, staged heating/cooling, and modulating/two-position damper support.
What’s Included and Why It Matters
Many TrueZONE kits ship with the discharge air sensor (DATS) and a transformer, cutting extra parts and trips. iO ESP panels use a pressure sensor to crack non-calling dampers just enough to protect the equipment and quiet airflow—no barometric bypass to balance. Those touches speed setup, reduce callbacks, and protect coils and heat exchangers.
How to Match a Board in Minutes
- System Type & Stages: Conventional, heat pump, or dual-fuel—and how many stages (e.g., 2H/2C).
- Zone Count & Expansion: 2–6 zones today? Pick a board that grows (e.g., HZ432 + TAZ-4H; ZP6 + ZP6-EP).
- Static Pressure Plan: Use iO ESP panels or module to avoid a bypass damper on most jobs.
- Included Parts: Kits with DATS/transformer save time; some iO kits add the pressure sensor.
- Dampers & Actuators: Match your damper style (2- or 3-wire). Most panels work with common 24-V dampers.
Need help sizing or confirming compatibility? Share your zones, equipment type, and dampers and we’ll point you to the exact board and kit.
