Package Deal: Azel 4 Zone Switching Relay with 4 Floor Heating Thermostats for Radiant Floor Heating

$520.65
by Azel Technologies Inc
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* Isolated End Switch and Priority End Switch * Addition features for SP-84/85/86: Manual priority override(bypass) for each of the secondary zone * Priority timer for protection of a priority zone malfunction and prevention of freeze-ups in the heating zones. * Capable of turning on extra system circulator * Unlimited zone expansion

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