Category: hvac
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New TekOnline Wall Controller: Preview and Launch Updates
Preview the upcoming TekOnline touchscreen wall controller. Targeting early November 2026; subscribe for development and availability updates.
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TEKONLINE 8-Zone HVAC Controller V3: ESPHome Firmware with 0–100% Damper Control
Learn how the TekOnline 8-zone ESPHome/Home Assistant V3 uses timed 24VAC damper control, 60-second calibration, direction inversion and safe alpha testing.
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24VAC Three-Wire Damper Wiring: Open, Common & Close
A quick wiring reference for standard 24VAC three-wire HVAC dampers: terminals 1–2 drive open, 3–4 common, and 5–6 drive closed.
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What’s new in the TekOnline 8-Zone HVAC Controller V3?
Control up to eight 24VAC HVAC dampers with ESPHome and Home Assistant. TekOnline V3 adds individual timed damper positioning, current monitoring and advanced UART expansion.
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Can You Reuse Your ZoneMaster ZoneSwitch V2 Dampers With a 24VAC Smart Zone Controller?
Replacing a Polyaire ZoneMaster ZoneSwitch V2 with a smart zone controller. Standard 24VAC OPEN / COMMON / CLOSE dampers can often be retained. Wiring and pinout must be…
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Send Customers Straight to Your Product Reviews
A deep link opens a product page at the review section. Add #reviews to the product URL to build the link.
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HVAC Zone Controller Compatibility Matrix: TekOnline vs Advantage Air, Polyaire & More
Compare TekOnline V3 zone control with commercial alternatives. Check partial damper opening, UART, Home Assistant integration and wiring compatibility.
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Community Spotlight: 3D Printed Enclosure for the 8-Zone HVAC Controller V2
Community member Marko Banovic designed a free 3D-printable enclosure for the ESPHome 8-Zone HVAC Controller V2. Download the STL files and print your own.
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Custom Zone Labels for the 4-Zone Wall Controller
Print custom zone labels for the 4-Zone Wall Controller. The front faceplate now fits a Clipsal 2000 Series clip-on surround. Free SVG template for Inkscape. Step-by-step guide.
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8-Zone V1/V2 Firmware v2026-05-17: Downloads and Upgrade Guide
Update TekOnline eight-zone V1 or V2 firmware: choose the correct board file, configure relay inversion and install over USB or ESPHome OTA.