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    • Gas burner control unit IFS 137 B-3 Kromschroeder

    Elster Kromschroder

    $1,807.46
    SKU:
    G261240621
    Condition:
    New
    Availability:
    Usually ships within 3-6 working days
    Shipping:
    Calculated at Checkout
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    Product Description

    Gas burner control unit IFS 137 B-3 Kromschroeder

     

    Automatic gas firing devices IFS 137 B, similar to IFS 135, but the
    ignition valve remains open for half a safety delay if the flame goes
    off during operation, DIN-DVGW approval


    sec. A = Start safety delay
    sec. B/H = main gas/operation safety delay
    sec. B/Z = ignition gas/operation safety delay

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