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The Honeywell VB6A019+008+AL is a 6-way control valve ideal for 4-pipe systems. It combines change-over and control functions with a single modulating actuator. Two mechanically linked balls rotate together to manage both supply and return ports, which supports heating and cooling sequence management. This valve allows for the connection of a single 2-pipe heat exchanger to 4-pipe systems, which simplifies wiring and removes the necessity for an additional change-over valve.
This valve simplifies the integration of control functions in HVAC systems, enhancing functionality and efficiency.
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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