The Honeywell VCZAA1532 is a VC Series 2-way hydronic zone valve assembly used in hot water heating and chilled water HVAC systems.
Manufacturer: Honeywell Home (Resideo)
Part Number: VCZAA1532 / VCZAA1532/U
Series: VC Series hydronic zone valve
Valve Type: 2-way, normally closed hydronic control valve
Size: 1/2" sweat (copper connection)
Flow Type: Equal percentage flow characteristic
Cv Rating: ~0.6 Cv (low-flow zone control)
Voltage (actuator): 24 VAC
Power Consumption: Low wattage, intermittent drive motor
Fluid Type: Hot water / chilled water (closed-loop hydronic systems)
Max Differential Pressure: ~60–80 psi range (system dependent)