644350A-3BY | 3/4"NPT 3wByP 24V 12Cv | Caleffi

3/4"NPT 3wByP 24V 12Cv: Caleffi 644350A-3BY 3-way motorized zone valve designed for use in hydronic heating and cooling applications. The Caleffi 644350A-3BY valve has a 3/4" NPT connection and a normally closed (NC) operation. The valve is controlled by a 24V AC signal and has a Cv of 12. The Caleffi 644350A-3BY is a high-quality valve that is designed to provide reliable and efficient operation for many years to come. Shop our HVAC supply store for the best prices and fast shipping on Caleffi valves and other hydronic heating and cooling products!