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The Honeywell VB6A074+074+AL is a 6-way control valve suitable for 4-pipe systems. This valve combines change-over and control functions in one unit. It features two mechanically connected balls that rotate together to open both supply and return ports while keeping the alternate flow blocked. This prevents mixing of flow between hot and cold water. It is ideal for systems using a single heat exchanger to manage chilled or hot water.
Designed for efficiency in controlling heating and cooling systems.
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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