1/2" Sweat Zone Valve w/ End Switch, Terminal Block


Brand: Honeywell

Mfr Part#: V8043F1028

UPC#: 085267109758

Availability: In Stock
Usually ships: within 1 business day
Qty Price
$75.95 / each
x4 $295.80 / box & Free Shipping
(4 x $73.95 / each)
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Honeywell V8043F1028 is a 1/2" Sweat Connection two-way on-off low voltage motorized zone valve. It has screw terminal block electrical connections and 3.5 Cv capacity, and consists of an actuator and valve assembly for controlling the flow of hot water. It has manual opener for valve operation on power failure; Valve returns to automatic position when power is restored. 

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.

Honeywell Zone Valves V8043 consist of a motorized actuator and valve assembly for controlling the flow of hot water to a heat exchanger such as a radiator, convector, finned baseboard radiator, or infloor radiant coil for space temperature control. The V8043 5000 series valves provide two-position, straight through control of supply water at up to 300 psi operating pressure.



  • Compact construction for easy installation;
  • Approvals of Underwriters Laboratories Inc (UL Component Listed: File MH11826 Vol. 1);
  • Actuator motor may be replaced without removing the valve body or draining the system;
  • May be installed without disassembling the valve;
  • Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system;


Technical Specifications of Honeywell V8043F1028:

  • Connection Type: Sweat;
  • Pipe Size (inch): 1/2";
  • Pipe Size (DN): DN15;
  • Body Pattern: Two-way, Straight-through;
  • Capacity (Cv): 3.5 Cv;
  • Capacity (Kv): 3 Kv;
  • De-energized Position: Normally Closed;
  • Maximum Close-off Pressure (psi): 20 psi;
  • Fluid Temperature Range: 50 F to 200 F;
  • Electrical Connections: screw terminal block;
  • Power Consumption: 7.7 VA;
  • Nominal Timing: 15 sec;
  • Valve Action: Spring return to close;
  • Maximum Ambient Temperature: 125 F;
  • Dimensions: 4" high x 3-1/2" wide x 2-3/8" deep;
  • Type: 2 position;
  • Auxiliary End Switch: SPST;
  • End Switch Rating: 50 VA pilot duty @ 24 V;
  • Static Pressure (psi): 125 psi;
  • Materials (Body): Brass;
  • Materials (Stem): Stainless Steel;
  • Materials (Ball Plug): Buna-N (NBR) Rubber Ball;
  • Materials (Packing O-rings): EPDM rubber;
  • Voltage: 24V;
  • Manual Opener: Yes;
  • Tradeline Value: Tradeline 
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