Bell & Gossett Z-3 Zone Relay 109426

Liberty Supply Verified independent store

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Three-zone Zone-Trol II pump control for hydronic circulators with a combined load of 20 amps at 120v and quick-connect terminals. Zone-Trol II controls enable the DHW zone to have priority over heating zones for limited periods with user adjustable settings (OFF, 30-minute, 60-minute). Includes 90-second post purge timer and 10-second exercise after 72 hours of inactivity. Show more