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    ELK-WSV Water Shutoff Valve — Installation Manual

    September 08, 2026 3 min read

    Manual for the ELK-WSV Water Shutoff Valve — a professional-grade, electrically operated main water shutoff valve for automation integration and leak protection.

    💾 Download Original PDF 🛒 View Product
    Full text manual (for reference)

    Manual for the ELK-WSV Water Shutoff Valve — a professional-grade, electrically operated main water shutoff valve for residential and commercial use, designed to stop water damage from broken pipes, leaking hoses, or failed appliances.

    Overview

    The ELK-WSV is a Professional Grade, electrically operated water shutoff valve for both residential and commercial use. Used in conjunction with an automation controller, leak detection devices, or a simple manual pushbutton, the WSV can easily and conveniently shut off the main water supply to the building. Unlike competitors' units, the ELK-WSV is a stainless steel, 1" full-bore ball valve with commercial-grade seats and seals — a "non-restricting" valve that meets state and municipal water authority approvals. The motorized actuator has a permanently lubricated gear drive with sufficient torque to open or close the valve under high pressure or after long periods of inactivity. Operating time from fully open to fully closed is less than 4 seconds.

    Features

    • Rapid action — opens or closes in under 4 seconds.
    • Provides remote shut-off of the main water supply.
    • Integrates with a security or automation controller (e.g. ELK-M1 Gold or M1EZ8).
    • Can be integrated with a simple "Easy" button.
    • Can be integrated with a wireless receiver and wireless pushbutton.
    • Simple 12 Vdc, four-conductor hookup.
    • Valve direction / water flow indication.

    Specifications

    Component Spec
    Valve type Full port, 2-way ball valve
    Valve material Stainless steel, Grade 316
    Pipe connections 1" NPT threaded
    Actuator power 12 Volts DC
    Min. recommended power supply 12 VDC, 1 Amp
    Current draw ~500 mA nominal, 1 Amp peak
    Actuating speed < 4 seconds
    Torque 1.25 in. lbs.
    Connections 18 gauge, 4-conductor cord
    Overall dimensions 9" H x 5.75" W x 4" D

    Installation

    Important: Observe all state and local regulations. Hire or consult a licensed plumbing professional if required. Valve is designed for INDOOR use ONLY — do not install outdoors. If the building has an internal manual water shutoff valve, install the ELK-WSV after this one (between the water fixtures and the manual valve) as an added benefit for maintenance/servicing. Do not remove the cover of the actuator unit — there are no user-serviceable components inside.

    1. Manually shut off the main water supply at the water meter and outside valve.
    2. Locate the building's internal manual shut-off valve (if present, typically near where the main water pipe enters the building). Turn it OFF just in case the outside valve fails to hold back the water supply.
    3. Install the ELK-WSV into the main water line using appropriate fittings and materials.
    4. Connect the 12 Vdc electric control device to the ELK-WSV per the wiring instructions below.

    Wiring

    Install a four-conductor, 18-gauge minimum cable between the Valve and the control. Splice the four wires (RED, BLACK, GREEN, WHITE) coming from the valve to the four conductors going to the control, using gel-filled "B" connector splicers and/or a junction box to protect the splices.

    Wire Connection / Function
    RED Connect to N/C (normally closed) terminal of Relay Output 3. Energizing with 12 Vdc will CLOSE the valve.
    WHITE Connect to N/O (normally open) terminal of Relay Output 3. Energizing with 12 Vdc will OPEN the valve.
    BLACK Connect to any NEG (-) terminal of the power supply.
    GREEN Valve status indicator. Produces a POS (+) 12 Vdc output when the valve is CLOSED (can drive an indicator or input). Must be insulated at the end if not used, to prevent accidental contact.

    This connects to Relay Output 3 on the ELK-M1 Gold or M1EZ8 Security/Automation Controls. A separate 12 Vdc, 1 Amp power supply is shown in the wiring diagram — if the M1 or M1EZ8 control is used for powering the ELK-WSV instead, make sure to add the ELK-WSV current draw to the overall total so auxiliary power ratings are not exceeded.

    Manufacturer

    Elk Products, Inc. — PO Box 100, Hildebran, NC 28637. Phone: 800-797-9355 / 828-397-4200. Fax: 828-397-4415. Web: elkproducts.com  Email: info@elkproducts.com