Resideo V8043A1037 1 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv

Brand: Resideo
SKU: V8043A1037
Order QuantityUnit Price
1 - 5$167.55
6 - 11$162.52Save 3% more!
12+$157.50Save 6% more!
In Stock! Order Soon Ships in 24 hours
Availability: 1


• Manual opener (on all models, except straight-through, normally open valves) for valve operation on power failure; valve returns to automatic position when power is restored.
• 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.
• Actuator motor may be replaced without removing the valve body or draining the system.1 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv

ApplicationHydronic Control
Capacity (Kv)3 Kv
De-energized PositionNormally Closed
OverviewTwo-way on-off low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water.
List Price216.56
Maximum Close-off Pressure (psi)20 psi
TimingNominal Open--15 sec
Maximum Close-off Pressure (kPa)138 kPa
Fluid Temperature Range (F)50 F to 200 F
Fluid Temperature Range (C)10 C to 93 C
Pipe Size (inch)1 in.
Electrical Connections (in.)18 in. leads
Electrical Connections (mm)457 mm leads
Pipe Size (DN)DN25
Body PatternTwo-way, Straight-through
Ambient Temperature Range (F)125 F Maximum
Power Consumption7.7 VA
Ambient Temperature Range (C)52 C Maximum
Valve ActionSpring return to close
Capacity (Cv)3.5 Cv
Maximum Ambient Temperature (F)125 F
Maximum Ambient Temperature (C)52 C
TypeTwo position
Materials (Seat)Brass
Materials (Stem)Stainless Steel
Connection TypeSweat
Materials (Ball Plug)Buna-N (NBR) Rubber Ball
Materials (Packing O-rings)EPDM rubber
Voltage24 Vac
Frequency50 Hz
Approvals, Underwriters Laboratories IncUL Listed: File MH11826
Manual OpenerYes
Current Draw (A)0.32A
CommentsValve designed for cycling (not constantly powered on) applications.
Nominal Open Timing (sec)15 sec
Dimensions (in.)4 in. high x 3 11/16 in. wide x 2 3/8 in. deep
Operating Humidity Range (% RH)5 to 95% relative humidity, non-condensing.
Dimensions (mm)102 mm high x 94 mm wide x 60 mm deep
Static Pressure Rating (psi)125 psi
Static Pressure Rating (kPa)862 kPa
Materials (Body)Brass
Fluid Temperature (F)50 F to 200 F
Fluid Temperature (C)10 C to 93 C

Product Family

Model NumberDecriptionManufacturerPriceAvail. Qty 
V8043A1003 1/2 inch Two-Position Normally Closed Zone Valve, Flare, 3.5 Cv Resideo $130.17 10    Add To Cart
V8043A1011 1/2 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv Resideo $119.35 11    Add To Cart
V8043A1029 3/4 inch Two-Position NC Zone Valve Sweat 35 Cv 18 inch leads Resideo $125.32 2    Add To Cart
V8043A1037 1 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv Resideo $167.55 1    Add To Cart
V8043A1193 1/2 inch Two-Position Normally Closed Zone Valve, Inverted Flare, 3.5 Cv Resideo $120.41 7    Add To Cart
V8043A1227 1/2 inch Two-Position Normally Closed Zone Valve, NPT, 3.5 Cv Resideo $122.27 57    Add To Cart
V8043E1004 1/2 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv Resideo $110.86 16    Add To Cart
V8043E1012 3/4 inch Two-Pos NC Zone Valve Sweat 35 Cv 18 inch leads Aux Switch Resideo $122.87 1    Add To Cart
V8043E1020 1 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv Resideo $137.15 15    Add To Cart
V8043E1061 V8043A,E,F Two-Position Normally Closed Zone Valve Resideo $113.33 2    Add To Cart
V8043E1079 1 inch Two-Position Normally Closed Zone Valve, Sweat, 8 Cv Resideo $100.27 1    Add To Cart
V8043E1129 1/2 inch Two-Position Normally Closed Zone Valve, Resideo $122.60 5    Add To Cart
V8043E1137 1 inch Two-Position Normally Closed Zone Valve, NPT, 10 Cv Resideo $155.43 18    Add To Cart
V8043E1145 3/4 inch Two-Position Normally Closed Zone Valve, NPT, 3.5 Cv Resideo $127.76 27    Add To Cart
V8043F1028 1/2 inch Two-Position Normally Closed Zone Valve, Resideo $142.87 12    Add To Cart
V8043F1036 3/4 inch Two-Position NC Zone Valve Sweat 35 Cv Aux Switch Resideo $137.99 3    Add To Cart
V8043F1051 1 inch Two-Position Normally Closed Zone Valve, Sweat, 3.5 Cv Resideo $157.39 1    Add To Cart
V8043F1093 3/4 inch Two-Position Normally Closed Zone Valve, Sweat, 8 Cv Resideo $130.46 7    Add To Cart
V8043F1101 1 inch Two-Position Normally Closed Zone Valve, Sweat, 8 Cv Resideo $151.75 6    Add To Cart

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