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  • Jacuzzi® Spa Diverter Knob 6540-728 — T-Valve Replacement Part Restore full control over your spa's water flow with the genuine Jacuzzi® Diverter Knob (6540-728). Built for J-300 and J-400 Series hot tubs, this top-access, gray diverter handle is the quick fix for a worn or broken valve. Shop and order at Western Tub and Pool. [Call 1-855-248-0777] or [Email fixmytub@gmail.com] Get your spa flowing like new A faulty diverter knob shouldn't keep you from enjoying your Jacuzzi. This precision-made replacement handle installs easily and delivers the smooth, reliable performance you expect from an authentic Jacuzzi® part. Why choose this diverter knob? Genuine Jacuzzi® part: Direct replacement for part numbers 6540-728 and JAC6540-728. Perfect fit: Designed specifically for 2002 and newer Jacuzzi® spas. Top-access design: Simple, convenient installation with no need to reach behind the shell. Durable construction: Gray handle built to withstand years of use. Trusted support: Backed by the team at Western Tub and Pool. Product specifications Detail Description Part name Jacuzzi® Spa Diverter Knob / T-Valve Part numbers 6540-728, JAC6540-728 Color Gray Access type Top access Handle length 3 1/2 inches Year compatibility 2002 and newer Series J-300 / J-400 Diverter Valve Compatible hot tubs and models This diverter valve handle is used across a range of Jacuzzi® spas, including: J-300 Series hot tubs J-400 Series hot tubs If your spa falls within the J-300 or J-400 range built in 2002 or later, this diverter knob is likely the part you need. Not sure? Our team can confirm compatibility for your exact make and model. Cross-reference numbers This part may also appear under the following references: 6540-728 JAC6540-728 If you have a different part number, check it against our online catalog or reach out and we'll help you match it. Frequently asked questions Will this diverter knob fit my Jacuzzi® spa? It's designed for J-300 and J-400 Series Jacuzzi® spas from 2002 onward. If you're unsure, send us your hot tub's make, model, and serial number and we'll confirm the right part for you. What size is the handle? The handle measures 3 1/2 inches long and is gray in color, with a convenient top-access design. What if I can't find my part number? No problem. Send us pictures of your part along with the make and model of your hot tub, and our team will help you identify the correct replacement. How do I place an order? You can shop and order at Western Tub and Pool by calling 1-855-248-0777 or emailing fixmytub@gmail.com. Do you ship internationally? Yes. We're an international e-retailer with warehouses across multiple regions. Shipping times may vary depending on the origin of your part. A note on part origins and shipping Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added region suffixes to help you identify part origin: U suffix — U.S.A. C suffix — Canada E suffix — Europe A suffix — Asia Please note that some products may appear as duplicates from different regions, and part origin can affect shipping times. Hard-to-find part? We can help Can't locate the part you need? Send us an email at fixmytub@gmail.com. Check your part number if you know it, or send us pictures along with the make, model, and serial number of your hot tub, and we'll track down the right part for you. Shop and order at Western Tub and Pool. [Call 1-855-248-0777] or [Email fixmytub@gmail.com]

    • Jacuzzi Spa Diverter Knob T-Valve

    Jaccuzzi

    $11.75
    (No reviews yet) Write a Review
    SKU:
    6540-728-U
    UPC:
    6540-728
    Availability:
    ships from U.S.A
    Width:
    6.00 (in)
    Height:
    4.00 (in)
    Depth:
    4.00 (in)
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    Product Description

    Jacuzzi® Spa Diverter Knob 6540-728 — T-Valve Replacement Part

    Restore full control over your spa's water flow with the genuine Jacuzzi® Diverter Knob. Built for J-300 and J-400 Series hot tubs, this top-access, gray diverter handle is the quick fix for a worn or broken valve.

    Jacuzzi® Spa Diverter Knob 6540-728 — T-Valve Replacement Part Restore full control over your spa's water flow with the genuine Jacuzzi® Diverter Knob (6540-728). Built for J-300 and J-400 Series hot tubs, this top-access, gray diverter handle is the quick fix for a worn or broken valve. Shop and order at Western Tub and Pool. [Call 1-855-248-0777] or [Email fixmytub@gmail.com] Get your spa flowing like new A faulty diverter knob shouldn't keep you from enjoying your Jacuzzi. This precision-made replacement handle installs easily and delivers the smooth, reliable performance you expect from an authentic Jacuzzi® part. Why choose this diverter knob? Genuine Jacuzzi® part: Direct replacement for part numbers 6540-728 and JAC6540-728. Perfect fit: Designed specifically for 2002 and newer Jacuzzi® spas. Top-access design: Simple, convenient installation with no need to reach behind the shell. Durable construction: Gray handle built to withstand years of use. Trusted support: Backed by the team at Western Tub and Pool. Product specifications Detail Description Part name Jacuzzi® Spa Diverter Knob / T-Valve Part numbers 6540-728, JAC6540-728 Color Gray Access type Top access Handle length 3 1/2 inches Year compatibility 2002 and newer Series J-300 / J-400 Diverter Valve Compatible hot tubs and models This diverter valve handle is used across a range of Jacuzzi® spas, including: J-300 Series hot tubs J-400 Series hot tubs If your spa falls within the J-300 or J-400 range built in 2002 or later, this diverter knob is likely the part you need. Not sure? Our team can confirm compatibility for your exact make and model. Cross-reference numbers This part may also appear under the following references: 6540-728 JAC6540-728 If you have a different part number, check it against our online catalog or reach out and we'll help you match it. Frequently asked questions Will this diverter knob fit my Jacuzzi® spa? It's designed for J-300 and J-400 Series Jacuzzi® spas from 2002 onward. If you're unsure, send us your hot tub's make, model, and serial number and we'll confirm the right part for you. What size is the handle? The handle measures 3 1/2 inches long and is gray in color, with a convenient top-access design. What if I can't find my part number? No problem. Send us pictures of your part along with the make and model of your hot tub, and our team will help you identify the correct replacement. How do I place an order? You can shop and order at Western Tub and Pool by calling 1-855-248-0777 or emailing fixmytub@gmail.com. Do you ship internationally? Yes. We're an international e-retailer with warehouses across multiple regions. Shipping times may vary depending on the origin of your part. A note on part origins and shipping Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added region suffixes to help you identify part origin: U suffix — U.S.A. C suffix — Canada E suffix — Europe A suffix — Asia Please note that some products may appear as duplicates from different regions, and part origin can affect shipping times. Hard-to-find part? We can help Can't locate the part you need? Send us an email at fixmytub@gmail.com. Check your part number if you know it, or send us pictures along with the make, model, and serial number of your hot tub, and we'll track down the right part for you. Shop and order at Western Tub and Pool. [Call 1-855-248-0777] or [Email fixmytub@gmail.com]

     

    Shop and order at Western Tub and Pool.
    [Call 1-855-248-0777] or [Email fixmytub@gmail.com]

    Get your spa flowing like new

    A faulty diverter knob shouldn't keep you from enjoying your Jacuzzi. This precision-made replacement handle installs easily and delivers the smooth, reliable performance you expect from an authentic Jacuzzi® part.

    Why choose this diverter knob?

    • Genuine Jacuzzi® part: Direct replacement for part numbers 6540-728 and JAC6540-728.
    • Perfect fit: Designed specifically for 2002 and newer Jacuzzi® spas.
    • Top-access design: Simple, convenient installation with no need to reach behind the shell.
    • Durable construction: Gray handle built to withstand years of use.
    • Trusted support: Backed by the team at Western Tub and Pool.

    Product specifications

    Detail

    Description

    Part name

    Jacuzzi® Spa Diverter Knob / T-Valve

    Part numbers

    6540-728, JAC6540-728

    Color

    Gray

    Access type

    Top access

    Handle length

    3 1/2 inches

    Year compatibility

    2002 and newer

    Series

    J-300 / J-400 Diverter Valve

     

    Compatible hot tubs and models

    This diverter valve handle is used across a range of Jacuzzi® spas, including:

    • J-300 Series hot tubs
    • J-400 Series hot tubs

    If your spa falls within the J-300 or J-400 range built in 2002 or later, this diverter knob is likely the part you need. Not sure? Our team can confirm compatibility for your exact make and model.

     

    Cross-reference numbers

    This part may also appear under the following references:

    • 6540-728
    • JAC6540-728

    If you have a different part number, check it against our online catalog or reach out and we'll help you match it.

     

    Frequently asked questions

    Will this diverter knob fit my Jacuzzi® spa?

    It's designed for J-300 and J-400 Series Jacuzzi® spas from 2002 onward. If you're unsure, send us your hot tub's make, model, and serial number and we'll confirm the right part for you.

    What size is the handle?

    The handle measures 3 1/2 inches long and is gray in color, with a convenient top-access design.

    What if I can't find my part number?

    No problem. Send us pictures of your part along with the make and model of your hot tub, and our team will help you identify the correct replacement.

    How do I place an order?

    You can shop and order at Western Tub and Pool by calling 1-855-248-0777 or emailing fixmytub@gmail.com.

    Do you ship internationally?

    Yes. We're an international e-retailer with warehouses across multiple regions. Shipping times may vary depending on the origin of your part.

     

    A note on part origins and shipping

    Western Tub and Pool is an international e-retailer. Because warehouses in different regions may stock the same part, we've added region suffixes to help you identify part origin:

    • U suffix — U.S.A.
    • C suffix — Canada
    • E suffix — Europe
    • A suffix — Asia

    Please note that some products may appear as duplicates from different regions, and part origin can affect shipping times.

    Hard-to-find part? We can help

    Can't locate the part you need? Send us an email at fixmytub@gmail.com. Check your part number if you know it, or send us pictures along with the make, model, and serial number of your hot tub, and we'll track down the right part for you.

    Shop and order at Western Tub and Pool.
    [Call 1-855-248-0777] or [Email fixmytub@gmail.com]

    Other Details

    Shipping , Returns & Exchanges We offer 30-day exchanges or store credit on eligible items. Please note that we do not provide refunds. Return Process: Customers are responsible for return shipping costs Items must be returned within 30 days of purchase Important Notes: All recycled items are final sale and cannot be returned or exchanged Items must be in original condition to qualify for exchange or store credit Electronic and electrical items should be installed by competent personnel . Warranty on these products when offered are scrutinized by the manufacturer and only approved by the manufacturer and deemed not to have been installed . As an international e-retailer and distributor, we work with manufacturers around the world. Please note that cross-border shipments may incur additional fees and tariffs imposed by your local government, which will be the responsibility of the package recipient .warehouses shipping from U.S.A have U suffix on them . Canada have a C suffix . Europe Have an E Suffix . Asia have an A Suffix.

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