PVC Plumbing Fittings

PVC Plumbing Fittings

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 in to, would actually measure ¾” inside the hole of the part and on the outside of the pipe that glues into the part.

Pipe Outside Diameter chart:

½” Outside Diameter is ¾”

¾” Outside Diameter is 1”

1” Outside Diameter is 1 ¼”

I have never seen 1 ¼” in Hot Tubs

1 ½” Outside Diameter is 1 ⅞”

2” Outside Diameter is 2 ⅜”

2 ½” Outside Diameter is 2 ⅞”

Note: When gluing New Valves to old plumbing you need to "Spin It To Win It" so you don't have any leaks so watch the video on "Spin It To Win It" glue techniques. Please don't be a drip, "Spin It To Win It" 

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  • Moto-Massage Leak Repair Kit Watkins Hotspring Spa Hot Tub 3/8" Barb Connect Kit This is an example of the kit installed Make sure you watch the video..

    Moto-Massage Leak Repair Kit Watkins Hotspring Spa Hot Tub 1/4" or 3/8" Barb Connect Kit No Glue

    Hot Tub Parts of America

    MSRP: $21.99
    $16.99
    This Kit features 3/8" x 3/'8" Barbed Coupler with a rotoclamp and Worm Clamp along with 24" of 3/8" ID vinyl tubing.  For this kit with Glue Click this Link: Moto-Massage Leak Repair Kit with Glue Watch this video for how to install..
    MSRP: $21.99
    $16.99
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    MSRP: $21.99
    $16.99
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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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  • Tool, Cutter, Vinyl and Hose, Cuts 3/8" Up to 1" Vinyl and Flex Tool, Cutter, Vinyl and Hose, Cuts 3/8" Up to 1" Vinyl and Flex

    Tool, Cutter, Vinyl and Hose, Cuts 3/8" Up to 1" Vinyl and Flex

    Generic

    MSRP: $29.99
    $19.99
    Flex Pipe or Vinyl Tubing Cutter works on air line 3/8" up to water lines 1".. 3/8" air, 1/2" Water, 3/4" Water Vinyl or Flex and 1" Water Vinyl or Flex..  Tool Type Group    PlumbingTool Type    Tubing CutterTool...
    MSRP: $29.99
    $19.99
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    $19.99
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  • Double 3/4" Barb Adapter x 1" Street Double 3/4" Barb Adapter x 1" Street

    Double 3/4" Barb Adapter x 1" Street

    Hot Tub Parts of America

    MSRP: $8.99
    $5.99
    This part is a Double 3/4" Barb Adapter x 1" Street.  The Glue Side glues inside a 1" Fitting (like a coupler) and the other side would accept (2) 3/4" vinyl tubing that would measure 3/4" inside diameter.
    MSRP: $8.99
    $5.99
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    $5.99
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  • Tee, 2 1/2" Slip x 2 1/2" Slip x 2 1/2" Slip

    Tee, 2 1/2" Slip x 2 1/2" Slip x 2 1/2" Slip

    Hot Tub Parts of America

    MSRP: $52.99
    $39.99
    This part is a Tee, 2 1/2" Slip x 2 1/2" Slip x 2 1/2" Slip.. The ID of each connection is 2 7/8" and it will accept 2 1/2" Flex pipe in each connection.. PVC Pipe Fitting Type Tee First Plumbing Connection Size 2 1/2" First Plumbing Connection...
    MSRP: $52.99
    $39.99
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    MSRP: $52.99
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  • Set of (10) Smooth Coupling, 3/4" Barb x 3/4" Barb ,Tube , Coupler Set of (10) Smooth Coupling, 3/4" Barb x 3/4" Barb ,Tube , Coupler

    Set of (10) Smooth Coupling, 3/4" Barb x 3/4" Barb ,Tube , Coupler

    Hot Tub Parts of America

    MSRP: $79.90
    $49.99
    This part is a Set of (10) 3/4" Barb x 3/4" Smooth Barbed Coupling used to couple 3/4" ID Tubing together. 3/4 Inch Barb X 3/4 Inch Barb..  Note: We only use smooth barbs now because the barbed style does not fit every tubing style and the...
    MSRP: $79.90
    $49.99
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    MSRP: $79.90
    $49.99
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  • Set of (5) Smooth Coupling, 3/4" Barb x 3/4" Barb ,Tube , Coupler Set of (5) Smooth Coupling, 3/4" Barb x 3/4" Barb ,Tube , Coupler

    Set of (5) Smooth Coupling, 3/4" Barb x 3/4" Barb ,Tube , Coupler

    Hot Tub Parts of America

    MSRP: $29.95
    $25.99
    This part is a Set of (5)  3/4" Barb x 3/4" Smooth Barbed Couplings used to couple 3/4" ID Tubing together. 3/4 Inch Barb X 3/4 Inch Barb..  Note: We only use smooth barbs now because the barbed style does not fit every tubing style and the...
    MSRP: $29.95
    $25.99
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    MSRP: $29.95
    $25.99
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  • Set of (20) Barb Coupler 3/8" Barb x 3/8" Barb for 3/8" Air Line Tubing Set of (20) Barb Coupler 3/8" Barb x 3/8" Barb for 3/8" Air Line Tubing

    Set of (20) Barb Coupler 3/8" Barb x 3/8" Barb for 3/8" Air Line Tubing

    Hot Tub Parts of America

    MSRP: $89.80
    $44.99
    This item is a set of (20) Barbed Coupling used to couple 3/8" ID hose together. An example would be the air line on a Pump Bleeder, Jet Body or Air Manifold..   For other 3/8" related items click this...
    MSRP: $89.80
    $44.99
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    MSRP: $89.80
    $44.99
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  • Set of (10) Barb Coupler 3/8" Barb x 3/8" Barb for 3/8" Air Line Tubing Set of (10) Barb Coupler 3/8" Barb x 3/8" Barb for 3/8" Air Line Tubing

    Set of (10) Barb Coupler 3/8" Barb x 3/8" Barb for 3/8" Air Line Tubing

    Hot Tub Parts of America

    MSRP: $44.90
    $24.99
    This item is a set of (10) Barbed Coupling used to couple 3/8" ID hose together. An example would be the air line on a Pump Bleeder, Jet Body or Air Manifold..   For other 3/8" related items click this...
    MSRP: $44.90
    $24.99
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    MSRP: $44.90
    $24.99
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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
    Qty in Cart: 0
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    MSRP: $39.99
    $37.99
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