3/4” Sweat Zone Valve, 18” leads

3/4” Sweat Zone Valve, 18” leads

The V8043A1029 from Honeywell is a 3/4” Sweat Zone Valve, 18” leads. It consists of an actuator and valve assembly for controlling the flow of hot water.


  • All models may be installed without disassembling the valve
  • Compact construction for easy installation
  • Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system
  • Motor may be replaced without removing the valve body or draining the system
  • Suitable for heating and cooling applications.

Technical Specifications:

  • Application: Hydronic Control
  • Dimensions (Height x Width x Depth): 4" x 3 1/2" x 2 3/8" (102mm x 89mm x 60mm)
  • Comments: Valve designed for cycling (not constantly powered on) applications
  • Use this valve in closed loop hydronic systems that do not contain dissolved oxygen in system water, such as fresh water from frequent source of makeup water.
  • Frequency: 50 Hz, 60 Hz
  • Approvals: UL Listed
  • Operating Humidity Range (% RH): 5 to 95% relative humidity, non-condensing
  • Voltage: 24 Vac, Power Consumption - 7.7 VA
  • Timing: Nominal Open - 15 sec
  • Maximum Ambient Temperature: 125°F (52°C)
  • Connection Type: Sweat
  • Pipe Size (inch): 3/4" (DN20)
  • Body Pattern: Two-way, Straight-through
  • Current Draw: 0.32 A
  • Fluid Temperature: 50°F to 200°F (10°C to 90°C)
  • Maximum Differential Pressure Ratings (Close-off): 20 psi (138 kPa)
  • Electrical Connections: 18" (457mm) leads
  • Capacity: 3.5 Cv (3 Kv)
  • Valve Action: Spring Return to Close
  • Materials: Body - Brass, Seat - Brass, Stem - Stainless Steel
  • Materials (Plug/Ball/Disc): Buna-N (NBR) Rubber Ball
  • Materials (Packing): EPDM rubber
  • Actuation: Two position
  • De-energized Position: Normally Closed
  • Static Pressure Rating: 125 psi (862 kPa)
  • Manual Opener: Yes.
Product Specs
Application Zoning
Body Pattern: 2-Way
Connection Type Sweat
Depth (Inches): 2-3/8"
End Switch: No
Flow Capacity (Cv): 3.5
Height: 4"
Hertz: 50
Material1 Brass
Max Ambient Temp (°F): 125°F
Max Close-Off PSI: 20 psi
Max Temp (F): 200°F
Min Temp (F): 50°F
Nominal Timing: 15 Seconds
Position: Normally Closed
Power Consumption: 7.7 VA
Size1 3/4"
Static Pressure: 125 psi
Temperature Range (F): 50°-200°F
Valve Action: Spring Return to Close
Voltage 24v
Width (Inches): 3-1/2"
Wiring: 18" Leads

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  • 3/4” Sweat Zone Valve, 18” leads QR Code
  • Model: V8043A1029
  • MPN: V8043A1029
  • Availability: 1
  • $ 100.58


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Tags: Zone Valves, Valves, Heating Valves, Plumbing Supply, Heating Supply, Residential Plumbing