Coolant shutoff valve is for turning on/off of the system refrigerant manually. The main material is copper.
Water valve is for the heating system to control the flow of hot water.
1. Manual water valve ON/OFF is operated by the level arm manually.
2. Electric water valve is combined by NEWBASE actuator and the valve body. The valve working is driven by the actuator motor.
Different actuator drives the valve working in different working mode.
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