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    Water supply need not be shut off.


    • Pull sprayer hose from check valve housing barbs
    • Unscrew check valve housing from accessory hose - hold accessory hose fitting with pliers - do NOT twist accessory hose
    • Pull check valve washer from housing
    • Remove (2) check valves from housing

    Assemble Check Valve Housing

    • Insert check valves into housing - end WITHOUT O-ring MUST go in first
    • Insert check valve washer into housing

    Attach Check Valve Housing

    • Screw check valve housing onto accessory hose - Hand tighten only at this step
    • Hold accessory hose fitting with pliers - Finish tightening the housing - Once you feel solid resistance, STOP

    Attach Sprayer Hose

    • Make sure hoses are not twisted or tangled
    • Apply a small amount of detergent to barbs on housing
    • Press sprayer hose fully onto barbs
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