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Coupler Plumbing Fittings

Coupler Plumbing Fittings

In this Category you will find Coupler that are Slip X Slip and are used to glue two pipes together. See the chart for the Size Conversion.

 

This is a chart for the outside of your plumbing pipes so you can figure out what size parts to order. Note: The actual size a part is called is not the actual size of the hole in the part it is really the Inside Diameter of the pipe that would glue into that part which doesn’t make sense, since you cannot see inside the pipe. Therefore I am giving you the measurements of the outside of the pipe so you know what size part to order.  For example a part that is ½” plumbing would glue into would actually measure ¾” inside the hole of the part and on the outside of the pipe that glues into the part.<br>

Pipe Outside Diameter chart:<br>

½” Outside Diameter is ¾”<br>

¾” Outside Diameter is 1”<br>

1” Outside Diameter is 1 ¼”<br>

I have never seen 1 ¼” in Hot Tubs<br>

1 ½” Outside Diameter is 1 ⅞”<br>

2” Outside Diameter is 2 ⅜”<br>

2 ½” Outside Diameter is 2 ⅞”<br>

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  • Hot Tub Spa 12" RADKit® Tight 2" Fitting Outside Coupler Kit Plumbing PVC Fitting
This RadKit is a tighter fit than the standard and measures about 2 3/8" Inside Diameter here the standard measures 2 5/8" Inside Diameter. The RadKit Tight will fit Most 2" Fittings that measure about 2 11/16" Outside Diameter.. You will have to put silicone on the fitting to get this Radkit on and use a flat screw driver to help widen it enough to go on.. This is ideal for use when you have a pressure side fitting you need to seal.. Hot Tub Spa 12" RADKit® Tight 2" Fitting Outside Coupler Kit Plumbing PVC Fitting
This RadKit is a tighter fit than the standard and measures about 2 3/8" Inside Diameter here the standard measures 2 5/8" Inside Diameter. The RadKit Tight will fit Most 2" Fittings that measure about 2 11/16" Outside Diameter.. You will have to put silicone on the fitting to get this Radkit on and use a flat screw driver to help widen it enough to go on.. This is ideal for use when you have a pressure side fitting you need to seal..

    Hot Tub Spa 12" RADKit® Tight 2" Fitting Outside Coupler Kit Plumbing PVC Fitting

    Hot Tub Parts of America

    MSRP: $79.99
    $54.99
    This kit is a 12" Long RADKit® Tight designed to go onto the outside of a 2" pressure fitting and seal off the area between (2) 2" Fittings Outside to Outside..   This RadKit is a tighter fit than the standard and measures about 2 3/8" Inside...
    MSRP: $79.99
    $54.99
    Qty in Cart: 0
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    MSRP: $79.99
    $54.99
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  • Tool, Cutter, Vinyl and Hose, up to 2 1/2", Gray Style Tool, Cutter, Vinyl and Hose, up to 2 1/2", Gray Style

    Tool, Cutter, Vinyl and Hose, up to 2 1/2", Gray Style

    Hot Tub Parts of America

    MSRP: $46.17
    $34.99
    Gray Style Up to 2 1/2" Vinyl Tubing Ratchet Cutter Aluminum Alloy Body, Stainless Steel Blade, Ratcheting Cutting Action, Cuts Up to 2 1/2" PVC Pipe.. Tool Type Group    PlumbingTool Type    Tubing CutterTool...
    MSRP: $46.17
    $34.99
    Qty in Cart: 0
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    MSRP: $46.17
    $34.99
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  • 2" Female Pipe Thread X 2" Slip Coupler Plumbing PVC Fitting

    2" Female Pipe Thread X 2" Slip Coupler Plumbing PVC Fitting

    Hot Tub Parts of America

    MSRP: $11.99
    $8.99
    This part is a (1) 2" Femail Pipe Thread X 2"Slip Coupler PVC Plumbing Fitting. The Coupler receives a 2" threaded fitting which measures about 2 3/8" OD on one side and then receives a 2" fitting which measures 2 3/8" OD on the other...
    MSRP: $11.99
    $8.99
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    MSRP: $11.99
    $8.99
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  • U-Bend Plumbing Fitting 2" Slip x 2" Slip U-Bend Plumbing Fitting 2" Slip x 2" Slip

    U-Bend Plumbing Fitting 2" Slip x 2" Slip

    Hot Tub Parts of America

    $29.99
    This parts is a U-Bend 2" Slip X 2" Slip PVC Plumbing Fitting. The U-Bend receives a 2" fitting on each side which would measure 2 3/8" ID.. You can Glue any 2" fitting to make a tight plumbing application. Air Blower Fitting Type U-Bend Air Blower...
    $29.99
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    $29.99
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  • Hot Tub Spa 3" RADKit® 1 1/2" Fitting Outside Coupler Kit Plumbing PVC Fitting Hot Tub Spa 3" RADKit® 1 1/2" Fitting Outside Coupler Kit Plumbing PVC Fitting

    Hot Tub Spa 3" RADKit® 1 1/2" Fitting Outside Coupler Kit Plumbing PVC Fitting

    Hot Tub Parts of America

    MSRP: $33.99
    $23.99
    This kit is a 3' Long RADKit® designed to go onto the outside of a 1 1/2" fitting and seal off the area between (2) 1 1/2" Fittings Outside to Outside.. An example would be if you had a Suction fitting dripping at the glue joint and there is a piece...
    MSRP: $33.99
    $23.99
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    MSRP: $33.99
    $23.99
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  • Hot Tub Spa 6" RADKit® 1 1/2" Fitting Outside Coupler Kit Plumbing PVC Fitting Hot Tub Spa 6" RADKit® 1 1/2" Fitting Outside Coupler Kit Plumbing PVC Fitting

    Hot Tub Spa 6" RADKit® 1 1/2" Fitting Outside Coupler Kit Plumbing PVC Fitting

    Hot Tub Parts of America

    MSRP: $39.99
    $37.99
    This kit is a 6' Long RADKit® designed to go onto the outside of a 1 1/2" fitting and seal off the area between (2) 1 1/2" Fittings Outside to Outside.. An example would be if you had a Suction fitting dripping at the glue joint and there is a piece...
    MSRP: $39.99
    $37.99
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    MSRP: $39.99
    $37.99
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  • Red 2 Part Epoxy Canister Kit Heat Cure Epoxy Sealer for all Metals and Rigid Plastics Red 2 Part Epoxy Canister Kit Heat Cure Epoxy Sealer for all Metals and Rigid Plastics

    Red E 2 Part Epoxy Canister Kit Heat Cure Epoxy Sealer for all Metals and Rigid Plastics

    Hot Tub Parts of America

    MSRP: $24.99
    $19.99
    Red Epoxy is a new high performance, two-part, heat cured, epoxy repair kit for making permanent repairs on all metals and rigid plastics. Red Epoxy is specifically designed to exhibit a distinct color change when heat cured. Red Epoxy will provide a...
    MSRP: $24.99
    $19.99
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    MSRP: $24.99
    $19.99
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  • Jet Body Connect Kit, Glue Kit, (4") 3/8" Tubing, (6") 3/4" Tubing, Barbed Couplers and Clamps Jet Body Connect Kit, Glue Kit, (4") 3/8" Tubing, (6") 3/4" Tubing, Barbed Couplers and Clamps

    Jet Body Connect Kit, Glue Kit, (4") 3/8" Tubing, (6") 3/4" Tubing, Barbed Couplers and Clamps

    Hot Tub Parts of America

    MSRP: $32.99
    $25.99
    This Jet Body Connect Kit is (6") of 3/4" Clear Tubing with (1) 3/4" x 3/4" Smooth Barbed Coupler and (2) 3/4" Clamps, (4") of 3/8" Clear Tubing with (1) 3/8" x 3/8" Barbed Coupler and 4oz of Blue Glue.. This kit is used to Connect the 3/4" Barbed...
    MSRP: $32.99
    $25.99
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    MSRP: $32.99
    $25.99
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  • Adapter Fitting, 3/4" Slip x 3/4" Male Pipe Thread Fitting Adapter Fitting, 3/4" Slip x 3/4" Male Pipe Thread Fitting

    Adapter Fitting, 3/4" Slip x 3/4" Male Pipe Thread Fitting

    Hot Tub Parts of America

    MSRP: $4.99
    $2.99
    This part is an Adapter Fitting, 3/4" Slip x 3/4" Male Pipe Thread.. This part is used to connect 3/4'" plumbing to swimming pool pumps with threaded 3/4" connections..  The slip side measures about 1" ID and the threaded side measures...
    MSRP: $4.99
    $2.99
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    MSRP: $4.99
    $2.99
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  • Adapter Fitting, 1 1/2" Slip x 1 1/2" Male Pipe Thread Pool Pump Fitting The threaded side measures about 1 7/8" Outside Diameter..

    Adapter Fitting, 1 1/2" Slip x 1 1/2" Male Pipe Thread Pool Pump Fitting

    Hot Tub Parts of America

    MSRP: $7.99
    $5.99
    This part is an Adapter Fitting, 1 1/2" Slip x 1 1/2" Male Pipe Thread.. This part is used to connect 1 1/2" plumbing to swimming pool pumps with threaded 1 1/2" connections..  The slip side measures about 1 7/8" ID and the threaded side...
    MSRP: $7.99
    $5.99
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    MSRP: $7.99
    $5.99
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  • Union,  2" Slip x 2" Slip, Complete Union, Coupler Union,  2" Slip x 2" Slip, Complete Union, Coupler

    Union, 2" Slip x 2" Slip, Complete Union, Coupler

    Hot Tub Parts of America

    MSRP: $27.99
    $19.99
    This part is (1) Complete Threaded Coupler that is 2" Slip X 2"Slip. The Coupler receives a 2" fitting which measures 2 3/8" OD on one side and then receives a 2" fitting which measures 2 3/8" OD on the other side. The inside diameter...
    MSRP: $27.99
    $19.99
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    MSRP: $27.99
    $19.99
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  • Coupling, 2" Slip x 2" Slip, Shortest This coupler is the shortest one on the right..

    Coupling, 2" Slip x 2" Slip, Shortest

    Hot Tub Parts of America

    MSRP: $7.99
    $5.99
    This is the shortest Coupler or Coupling, 2" Slip x 2" Slip, Short measures 1 5/8" and is about 1 1/4" shorter than the normal coupling and 3/4" shorter than the middle size.. Note: This Coupler does not have as much surface for gluing so it will not...
    MSRP: $7.99
    $5.99
    Qty in Cart: 0
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    MSRP: $7.99
    $5.99
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