1 1/2" Water Manifolds

1 1/2" Water Manifolds

1 1/2" Water Manifolds. 1 1/2" plumbing fittings doesn't actual measure 1 1/2" it measures 1 7/8" Inside diameter on a slip fitting and 1 7/8" outside diameter on a street fitting.

To figure out what size manifold you need look at the chart below for size conversions.

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.

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”

 

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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

    Hot Tub Manifold Repair Tool, Cutter, Vinyl and Hose, Cuts 3/8" Up to 1" Vinyl and Flex

    Generic

    MSRP: $29.99
    $19.99
    This tool is a 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...
    MSRP: $29.99
    $19.99
    Qty in Cart: 0
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    MSRP: $29.99
    $19.99
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  • Water Manifold, 1" Slip, 4 Port, Transition, 1-1/2" Slip Water Manifold, 1" Slip, 4 Port, Transition, 1-1/2" Slip

    Water Manifold, 1" Slip, 4 Port, Transition, 1-1/2" Slip

    Hot Tub Parts of America

    MSRP: $17.99
    $13.99
    This Manifold is  1 1/2" input which measures 1 7/8" Inside Diameter x (4) 1" outputs that measure 1 1/4" Inside Diameter.  Note: These manifolds are new old stock so they will not be perfect aesthetically...   Barb/Port...
    MSRP: $17.99
    $13.99
    Qty in Cart: 0
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    MSRP: $17.99
    $13.99
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  • Hot Tub Spa Manifold 1 1/2" Slip X 1 1/2" Street/Dead End  (6) 1/2" Ports Hot Tub Spa Manifold 1 1/2" Slip X 1 1/2" Street/Dead End  (6) 1/2" Ports

    Hot Tub Spa Manifold 1 1/2" Slip X 1 1/2" Street/Dead End (6) 1/2" Ports

    Hot Tub Parts of America

    MSRP: $19.99
    $12.99
    This part is (1) Hot Tub Spa Old Style Manifold that is 1 1/2" Slip on one end and 1 1/2" Street on the other end with a dead end knock out.. In other words the Street end has a blocked off plug that can be knocked out to make this a flow through.. It...
    MSRP: $19.99
    $12.99
    Qty in Cart: 0
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    MSRP: $19.99
    $12.99
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  • Out of stock
    Hot Tub Spa Manifold 1 1/2" Slip X 1 1/2" Street/Dead End  (12) 1/2" Ports The Street end is blocked off with a knock out plug you can knock it out to make it a flow through..
Hot Tub Spa Manifold 1 1/2" Slip X 1 1/2" Street/Dead End  (12) 1/2" Ports

    Hot Tub Spa Manifold 1 1/2" Slip X 1 1/2" Street/Dead End (12) 1/2" Ports

    Hot Tub Parts of America

    MSRP: $22.99
    $14.99
    This part is a (2) Hot Tub Spa Old Style Manifolds glued together that is 1 1/2" Slip on one end and 1 1/2" Street on the other end with a dead end knock out.. In other words the Street end has a blocked off plug that can be knocked out to make this a...
    MSRP: $22.99
    $14.99
    Qty in Cart: 0
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    MSRP: $22.99
    $14.99
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  • Set of (3) Barb Plugs 3/8" Slip for Air Manifold and more Waterway This plug fits Air Manifold like this.. Manifold not included..

    Set of (3) Barb Plugs 3/8" Slip for Air Manifold and more Waterway

    Waterway Plastics

    MSRP: $14.97
    $9.99
    This is a Set of (3) barb plugs used to plug off a 3/8" port on Air manifolds or Air Sides of Jet Bodies that are above the water line of the tub. We offer many different plugs based on the brand of manifold.
    MSRP: $14.97
    $9.99
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    $9.99
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  • Manifold, 3/8" Barb, 6 Port, Flow Thru, 1-1/2"s x 1-1/2"spg Manifold, 3/8" Barb, 6 Port, Flow Thru, 1-1/2"s x 1-1/2"spg

    Manifold, 3/8" Barb, 6 Port, Flow Thru, 1-1/2"s x 1-1/2"spg

    Hot Tub Parts of America

    MSRP: $24.99
    $18.99
    This part is a Manifold that features (6) 3/8" Barbs and is Flow Thru, 1-1/2"slip x 1-1/2"spigot.. To plug the barbs you can use these plugs: Barb Plug 3/8" Slip for Air Manifold and more Waterway Set of (3) Barb Plugs 3/8" Slip for Air Manifold and...
    MSRP: $24.99
    $18.99
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    MSRP: $24.99
    $18.99
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  • 1-1/2" Manifold Coupler Kit Old Plumbing to New Hot Tub Spa Part for 1-2 Manifolds Spin To Win 1-1/2" Manifold Coupler Kit Old Plumbing to New Hot Tub Spa Part for 1-2 Manifolds Spin To Win

    1-1/2" Manifold Coupler Kit Old Plumbing to New Hot Tub Spa Part for 1-2 Manifolds Spin To Win

    Hot Tub Parts of America

    MSRP: $29.99
    $24.49
    This Kit is a 1-1/2" Manifold Coupler Kit for 1-2 Manifolds. The Kit consists of (1) 1 1/2" Coupler, 1 1/2"Slip X 1 1/2"Slip (6") of 1 1/2" Flex Pipe, (1) 1/4 Pint of Hot Blue Glue and (1) 1/4 Pint of Purple Primer. The kit is to be used...
    MSRP: $29.99
    $24.49
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    MSRP: $29.99
    $24.49
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  • 1-1/2" Coupler and Flex Pipe Kit to Spin To Win It for Manifolds, Slice Valves or Unions 1-1/2" Coupler and Flex Pipe Kit to Spin To Win It for Manifolds, Slice Valves or Unions

    1-1/2" Coupler and Flex Pipe Kit to Spin To Win It for Manifolds, Slice Valves or Unions

    Hot Tub Parts of America

    MSRP: $14.99
    $9.99
    This Kit is a 1 1/2" Coupler and a 6" Piece of 1 1/2" Flex Pipe used when gluing new plumbing to old plumbing. We call this Technique "Spin it To Win it" Meaning you spin the coupler onto the old plumbing when you are gluing new to old and then purple...
    MSRP: $14.99
    $9.99
    Qty in Cart: 0
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    $9.99
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  • 1 1/2" Flex Pipe, 12" length for Manifolds , Slice Valves ,  Unions 1 1/2" Flex Pipe, 12" length for Manifolds , Slice Valves ,  Unions

    1 1/2" Flex Pipe, 12" length for Manifolds , Slice Valves , Unions

    Hot Tub Parts of America

    MSRP: $15.99
    $10.99
    This part is a 12" Piece of 1 1/2" Flex Pipe used with 1 1/2'" Manifolds, slice valves or unions...... This pipe measures about 1 1/2" Inside Diameter and the outside Diameter is about 1 7/8"....
    MSRP: $15.99
    $10.99
    Qty in Cart: 0
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    MSRP: $15.99
    $10.99
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  • 1-1/2" Flex Pipe, 6" length for Manifolds , Slice Valves ,  Unions 1-1/2" Flex Pipe, 6" length for Manifolds , Slice Valves ,  Unions

    1-1/2" Flex Pipe, 6" length for Manifolds , Slice Valves , Unions

    Hot Tub Parts of America

    MSRP: $11.99
    $6.99
    You are Purchasing a 6" Piece of 1 1/2" Flex Pipe that measures about 1 7/8" Outside Diameter and 1 1/2" Inside Diameter.  This pipe can be used with 1 1/2'" Manifolds, slice valves or unions...... We offer Different size pieces of Flex in 6'...
    MSRP: $11.99
    $6.99
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    MSRP: $11.99
    $6.99
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  • PVC Purple Primer 4oz for Hot Tub Spa PCV Plumbing Repair PVC Purple Primer 4oz for Hot Tub Spa PCV Plumbing Repair

    PVC Purple Primer 4oz for Hot Tub Spa PCV Plumbing Repair

    Hot Tub Parts of America

    MSRP: $17.99
    $11.99
    This part is the Best Purple Primer Formula Available Today. This Item is (1) 1/4 Pint of LoVoc Purple Primer. The size Primer is used for small to large jobs (1-20 Manifolds)to Glue PVC Plumbing Parts together. Whenever...
    MSRP: $17.99
    $11.99
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    MSRP: $17.99
    $11.99
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  • PVC Red Hot Blue Glue Christy's 8oz for Hot Tub Spa PCV Plumbing Repair Video PVC Red Hot Blue Glue Christy's 8oz for Hot Tub Spa PCV Plumbing Repair Video

    PVC Red Hot Blue Glue Christy's 8oz for Hot Tub Spa PCV Plumbing Repair Video

    Hot Tub Parts of America

    MSRP: $24.99
    $18.99
    This part is the Hottest PVC Glue Formula Available Today. Christy's Red Hot Blue Glue! This Item is (1) 1/2 Pint of Christy's Red Hot Blue Glue. The size glue is used for Mid Size jobs (3-5 Manifolds)to Glue PVC...
    MSRP: $24.99
    $18.99
    Qty in Cart: 0
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    MSRP: $24.99
    $18.99
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