HVAC Control Systems
Compare 1 HVAC Control Systems parts from manufacturers including Honeywell, with live price tracking and alerts.
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Filter in catalog →Frequently asked questions
What voltage does the Honeywell HZ221 operate on?
The Honeywell HZ221 operates on 24VAC.
How many zones can the HZ221 control?
The HZ221 is designed to control up to 2 zones.