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Big Dipper Options purchased online qualify for free shipping*.  

Big Dipper Options ship via UPS Ground.

*Online ordering and free shipping only available in contiguous or lower 48 states in US.  All other locations should contact local representation or Thermaco for additional assistance in purchasing items.

  1. AGFC-1 Flow Control Assembly

    2" Flow Control for Air Gap Assembly
    Part #: AGFC-1

    $29.30

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    The use of a HAG-2 Horizontal Air Gap requires the flow from the sink be further restricted to meet the flow rate of a Big Dipper with 2" Connection. An AGFC-1 must be installed at each drain valve which will drain into the horizontal air gap. Use of a HAG-2 or HAG-3 with a Big Dipper requires that the flow control (MFC-20 or MFC-25) be removed from the inlet of the unit.

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  2. Air Admittance Vent

    Air Admittance Vent
    Part #: AAV-112

    $63.50

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    PVC, 1 1/2"
    Option for use in indoor installations where venting to outside atmosphere is not possible.

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  3. Alarm probe for 55 Gallon Drum

    Alarm probe for 55 Gallon Drum
    Part #: AP-6000-1-DR

    $653.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    Alarm probe for 55 Gallon Drum when used with larger Big Dipper Models as a grease collection barrel.  

    • 115V 60Hz, 4.5 Watts (230V 50Hz Alarm Probes Available)
    • Monitors collected grease and oils, when levels rise high enough to make contact, warning tone activates
    • Field-installable
    • Durable Probe with electronics encased in molded polyethylene
    • Solid State, no moving parts
    • Comes fully calibrated and ready to use
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  4. Alarm probe for Big Dipper unit

    Alarm probe for Big Dipper unit
    Part #: AP-6000-1-TK

    $653.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    Alarm probe for Big Dipper Units to provide early warning when attention is required. For use with W-750-IS and W-1000-IS 51k Big Dipper Models.  May be used on older series with models 35gpm and higher.

    • 115V 60Hz, 4.5 Watts (230V 50Hz Alarm Probes Available)
    • Monitors collected grease and oils, activates warning tone to signal excessive grease build-up
    • Field-installable
    • Durable Probe with electronics encased in molded polyethylene
    • Solid State, no moving parts
    • Comes fully calibrated and ready to use
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  5. Alarm probe, dry contact, for 55 Gallon Drum, 120V

    Alarm probe, dry contact, for 55 Gallon Drum, 120V
    Part #: AP-6000-1-DRDC

    $890.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    Alarm probe for 55 Gallon Drum when used with larger Big Dipper Models as a grease collection barrel.

    • 115V 60Hz, 4.5 Watts (230V 50Hz Alarm Probes Available)
    • Monitors collected grease and oils, sends alarm signal when levels rise high enough to make contact
    • DRDC model has dry contact connection for a visual flashing light when drum is full of grease and needs attention
    • Field-installable
    • Durable Probe with electronics encased in molded polyethylene
    • Solid State, no moving parts
    • Comes fully calibrated and ready to use
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  6. Alarm probe, dry contact, for Big Dipper unit

    Alarm probe, dry contact, for Big Dipper unit
    Part #: AP-6000-1-TKDC

    $890.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    Alarm probe for Big Dipper Units to provide early warning when attention is required. For use with W-750-IS and W-1000-IS 51k Big Dipper Models.  May be used on older series with models 35gpm and higher.

    • 115V 60Hz, 4.5 Watts (230V 50Hz Alarm Probes Available)
    • Monitors collected grease and oils, activates warning tone to signal excessive grease build-up
    • TKDC model also has dry contact connection for a visual flashing light when no liquid is present in unit
    • Field-installable
    • Durable Probe with electronics encased in molded polyethylene
    • Solid State, no moving parts
    • Comes fully calibrated and ready to use
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  7. Basket Assembly for Horizontal Air Gap

    Basket Assembly for Horizontal Air Gap
    Part #: HAG-BA-1

    $299.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    Basket Assembly for Horizontal Air Gap

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  8. Center Lid Assembly for Big Dipper 40000 Series

    Complete Lid Assembly
    Part #: CLA-40000

    $2,084.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    Complete Lid Assembly with Digital Push Button Assembly. Replaces CLA-14000 and CLA-21000 for 6000, 8000, 14000, and 21000 Series Big Dippers

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  9. HAG-2 Installed Under Sink

    Horizontal Air Gap, 2"
    Part #: HAG-2

    $748.00

     QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    The Big Dipper HAG-2 Horizontal Air Gap Assembly Kit offers a simple yet effective method for providing an air gap for meeting health department or plumbing code requirements.  Among the many different methods of creating an air gap to protect against cross-contamination, the most popular is an air gap directly between the sink discharge and the outflow piping.  In the event of a backup, effluent will spill out of this gap under the sink and directly onto the floor without any danger of cross-contamination.

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  10. HAG-2 Installed Under Sink

    Horizontal Air Gap, 3"
    Part #: HAG-3

    $748.00

    QUALIFIES FOR FREE SHIPPING VIA UPS GROUND IN CONTIGUOUS US ONLY

    The Big Dipper HAG-3 Horizontal Air Gap Assembly Kit offers a simple yet effective method for providing an air gap for meeting health department or plumbing code requirements.  Among the many different methods of creating an air gap to protect against cross-contamination, the most popular is an air gap directly between the sink discharge and the outflow piping.  In the event of a backup, effluent will spill out of this gap under the sink and directly onto the floor without any danger of cross-contamination.

    Learn More