Resideo V8043A1227/U 24 Vac 1/2 in NPT N.C. Zone Valve

Product Description

The Resideo V8043A1227/U zone valve is designed for hydronic control, managing hot water flow in heating and cooling systems. This 24 Vac, 1/2 inch NPT valve features a motorized actuator and valve assembly, providing two-position, straight-through control of supply water at up to 300 psi operating pressure. It is suitable for closed-loop hydronic systems and includes a manual opener for operation during power failures, returning to automatic when power is restored.

• Motorized actuator and valve assembly for precise hot water flow control.
• Two-position, straight-through control for hydronic heating and cooling systems.
• Includes a manual opener for power failure operation, with automatic return.

Product Highlights

Designed for hydronic control in heating and cooling systems, offering reliable two-position water flow management.

Product Information

Standard Information

• Brand: RESIDEO
• Manufacturer Part Number: V8043A1227/U

Technical Specifications

• Application: Hydronic Control
• Approvals and Standards: UL Listed: File MH11826, Underwriters Laboratories Inc.
• Includes: End switch enclosure, Manual Opener
• Compatible With: Heating and cooling systems
• Connection Type: NPT
• Valve Ball Material: Buna-N (NBR) Rubber
• Type: Zone Valve
• Flow Coefficient (Cv): 3.5
• Fail-Safe: Spring Return
• Input Voltage: 24 VAC
• Valve Pattern: 2-way
• Valve Size: 1/2 in
• Control Signal: Two Position
• Frequency: 50 Hz; 60 Hz
• Operating Humidity Range: 5 to 95% relative humidity, non-condensing
• Power Consumption: 7.7 VA
• Timing Nominal Open: 30 sec
• Ambient Temperature Range: Maximum 125°F (52°C)
• Current Draw: 0.32A
• Fluid Temperature: 40°F to 200°F (5°C to 93°C)
• Maximum Differential Pressure (Close-off) (psi): 20
• Maximum Differential Pressure (Close-off) (kPa): 138
• Electrical Connection Length (in): 18 leads
• Electrical Connection Length (mm): 457 leads
• Capacity (Kv): 3.4
• Materials (Body): Brass
• Materials (Seat): Brass
• Materials (Stem): Stainless Steel
• Materials (Packing): EPDM rubber
• De-energized Position Port A: Normally Closed
• Static Pressure Rating (psi): 125
• Static Pressure Rating (kPa): 862
• Series: Honeywell
• Valve Type Detail: Motorized Zone