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The IO HVAC CONTROLS Q4C-A-RT0 is a Q4C Series 4 Sensor Digital Controller with Relay Board (4 x SPDT, 10 A) and Isolated 4-20 Ma or 2-10 Vdc Output Board. This controller is designed for residential applications and includes a relay board with four SPDT relays rated at 10A. It also features an isolated output board for 4-20 mA or 2-10 VDC signals.
The Q4C-A-RT0 digital controller offers versatile control and output options for residential HVAC systems, integrating sensor inputs with relay and analog outputs.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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