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※HSIEN CHANG Thermostatic valve keeps water temperature within a safe ±3° F (±1.6° C), helping to protect you from sudden changes in hot or cold water pressure.
※The Series BT521-00 features Vernet advanced paraffin-based actuation technology.
※High flow rate performance.
※The Hsien Chang Series BT521-00 is ASSE 1016-T listed and cUPC certified.
Connector Type: 3/4" NPT