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Retail: $97.50
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    Item #: V8043E1020
    Availability: In stock
    Usually ships In 1-2 Business days

    Honeywell 24V 1 in Sweat N.C. Zone Valve with End Switch.

    wo-way on-off low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water.


    • 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.

    Product Specifications

    Hydronic Control
    Dimensions (in.)
    4 in. high x 3 11/16 in. wide x 2 3/8 in. deep
    Dimensions (mm)
    102 mm high x 94 mm wide x 60 mm deep
    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. Valve designed for cycling (not constantly powered on) applications.
    50 Hz; 60 Hz
    Approvals, Underwriters Laboratories Inc.
    UL Listed: File MH11826
    Tradeline Value
    Operating Humidity Range (% RH)
    5 to 95% relative humidity, non-condensing.
    24 Vac; Power Consumption--7.7 VA
    Nominal Open--15 sec
    Ambient Temperature Range (F)
    125 F Maximum
    Ambient Temperature Range (C)
    52 C Maximum
    Connection Type
    Body Pattern
    Two-way, Straight-through
    Pipe Size (inch)
    1 in.
    Pipe Size (DN)
    Current Draw
    Fluid Temperature (C)
    10 C to 93 C
    Fluid Temperature (F)
    50 F to 200 F
    Maximum Differential Pressure Ratings (Close-off) (psi)
    20 psi
    Maximum Differential Pressure Ratings (Close-off) (kPa)
    138 kPa
    Electrical Connections (in.)
    18 in. leads
    Electrical Connections (mm)
    457 mm leads
    Capacity (Cv)
    3.5 Cv
    Capacity (Kv)
    3 Kv
    Valve Action
    Spring return to close
    Valve Type
    Zone Valve
    Materials (Body)
    Materials (Seat)
    Materials (Stem)
    Stainless Steel
    End Switch Rating
    50 VA pilot duty @ 24 V; 4.4 A running with 26.4 A inrush @ 120 V
    Two position
    De-energized Position
    Normally Closed
    Auxiliary End Switch
    N.O. SPST
    Static Pressure Rating (psi)
    125 psi
    Static Pressure Rating (kPa)
    862 kPa
    Materials (Plug/Ball/Disc)
    Buna-N (NBR) Rubber Ball
    Materials (Packing)
    EPDM rubber
    Manual Opener
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