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    Calibration Services
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Pressure
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
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    5. DEMO 5
    Air Quality
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    5. DEMO 5
    Air Velocity
    1. DEMO 1
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    5. DEMO 5
    Flow
    1. DEMO 1
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    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Level
    1. DEMO 1
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    5. DEMO 5
    Temperature
    1. DEMO 1
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    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Test Equipment
    1. DEMO 1
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    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Valves
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    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Miscellaneous
    1. DEMO 1
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    3. DEMO 3
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    Hazardous Rated
    1. DEMO 1
    2. DEMO 2
    3. DEMO 3
    4. DEMO 4
    5. DEMO 5
    Series 3ZV1
    Economical, Manual Override Three-Way Zone Valve is ideal for flow control in hot and cold water HVAC systems. Electrically driven to open and spring to close. Easy to install. Manual override lever is easily accessible externally.
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    Series ZV1
    Economical, Manual Override Two-Way Zone Valve is ideal for flow control in hot and cold water HVAC systems. Used in conjunction with a thermostat to control room temperature. Electrically driven to open and spring to close.
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    Series ZV2
    Floating or Modulating Two-Way Detachable Zone Valve is ideal for flow control in hot and cold water HVAC systems. Used in conjunction with a thermostat to control room temperature.
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    Series 3ZV2
    Floating or Modulating Three-Way Detachable Zone Valve is ideal for flow control in hot and cold water HVAC systems. Used in conjunction with a thermostat to control room temperature. Manual override lever is easily accessible externally.
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    Series ZV1
    Series ZV2
    Series 3ZV1
    Series 3ZV2
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