Neptronic 24v Voltage
With an extensive array of Neptronic products on offer, Blackhawk Supply is your go-to destination for advanced HVAC control systems. Dive into our collection and discover the ideal actuators, controllers, sensors, and more for your needs!
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View all →![Viconics R820-643-REV2 SCR Power controller 600 V, 45 A, 3 phase | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/r820_b5f4974f-7c0a-4656-bcd9-5134293f9f10_large.jpg?v=1723749315)
R820-643-REV2 | SCR Power controller 600 V, 45 A, 3 phase | Viconics
Brand: Viconics
SKU: R820-643-REV2![iO HVAC Controls iO-WR-XR Extended Range wireless relay kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO_WR_XR_web_large.png?v=1719992337)
iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
Brand: iO HVAC Controls
SKU: iO-WR-XR