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  • The Exact Replacement Gasket Your Hot Tub Needs Stop the leaks before they get worse. The BWG Hydro Air Micro Jet Wall Fitting Gasket (30-3705WHT) is the OEM-quality replacement part your spa deserves — and Western Tub and Pool has it in stock. [Shop and Order at Western Tub and Pool] What Is the BWG Hydro Air Micro Jet Wall Fitting Gasket 30-3705WHT? The BWG Hydro Air Micro Jet Wall Fitting Gasket (Part No. 30-3705WHT) is a precision-engineered replacement gasket designed to seal the wall fitting on Hydro Air micro jet systems in a wide range of hot tubs and spas. Over time, gaskets wear out, crack, or degrade due to chemical exposure and heat — leading to leaks, pressure loss, and costly water damage. Replacing it promptly with the correct OEM-compatible part restores your spa's performance and protects your investment. Color: White Manufacturer: BWG (Balboa Water Group / Hydro Air) Part Number: 30-3705WHT Compatible Hot Tub Models and Brands The BWG 30-3705WHT gasket is used across a broad range of hot tub and spa brands and models, including but not limited to: Jacuzzi — Various spa series using Hydro Air jet systems Sundance Spas — Select models with BWG Hydro Air components Marquis Spas — Models fitted with micro jet wall fittings Cal Spas — Compatible spa configurations Coleman Spas — Hydro Air-equipped models Dimension One Spas — Select configurations American Whirlpool — Compatible models Fantasy Spas — BWG-equipped builds LA Spas — Applicable micro jet configurations PDC Spas — Hydro Air-fitted series Not sure if this part fits your model? Call us at 1-855-248-0777 or email fixmytub@gmail.com with your hot tub's make, model, and serial number, and we'll confirm compatibility before you order. Compatible Controls and Cross-Reference Numbers This gasket is designed to work with BWG (Balboa Water Group) Hydro Air control systems, including compatible topside and in-line air control configurations used in the above spa models. Cross-Reference Part Numbers Include: 30-3705WHT (Primary) BWG-30-3705 Hydro Air Wall Fitting Gasket — White Series If you have a different part number on hand, send it to us and we'll help you confirm whether this is the correct match. Product Specifications Specification Detail Part Number 30-3705WHT Brand BWG / Hydro Air Color White Type Wall Fitting Gasket Application Micro Jet Wall Fitting Seal Material Durable spa-grade rubber/polymer Compatibility Multiple BWG Hydro Air systems Note on Dimensions and Weight: Exact dimensions and shipping weight may vary slightly depending on region of origin. Contact us directly at 1-855-248-0777 for confirmed measurements if required for your installation. Related Replacement Parts When replacing your wall fitting gasket, you may also want to inspect and replace these commonly associated components: BWG Hydro Air Micro Jet Body — The jet housing that partners with this gasket Wall Fitting Nut/Lock Ring — Secures the fitting and gasket in place Micro Jet Face/Insert — The visible jet component that directs water flow O-Rings and Seal Kits — Additional sealing components for a full restoration Hydro Air Fitting Assemblies — Complete fitting kits for full replacements Browse our full catalogue online or call us to find associated parts for your specific model. Frequently Asked Questions How do I know if the 30-3705WHT is the right gasket for my hot tub? The easiest way to confirm is to check the existing part number on your current gasket, or to provide us with your hot tub's make, model, and serial number. You can call us at 1-855-248-0777 or email photos and details to fixmytub@gmail.com — we'll identify the correct part for you. What does this gasket do, and how do I know when it needs replacing? The wall fitting gasket creates a watertight seal between the jet fitting and the spa shell. Signs it needs replacing include water leaking around jet fittings, reduced water pressure, or visible cracking and deformation of the existing gasket. Can I install this gasket myself? Yes. This is generally considered a straightforward DIY repair. You'll need to drain the affected section of your spa, remove the jet fitting, replace the gasket, and reassemble. If you're unsure, our team can walk you through the process. Does Western Tub and Pool ship internationally? Yes, we are an international e-retailer. We ship from warehouses across multiple regions, including the USA, Canada, Europe, and Asia. Parts from each region carry a regional suffix on the part number: U = USA origin C = Canada origin E = Europe origin A = Asia origin Please note that some parts may be available from more than one regional warehouse, which can affect shipping timelines and costs. What if the part I receive doesn't match what I need? Contact us immediately at fixmytub@gmail.com or call 1-855-248-0777. We'll work with you to resolve the issue and get the right part to you as quickly as possible. Shop and Order at Western Tub and Pool Ready to get your hot tub back to full working order? Order the BWG Hydro Air Micro Jet Wall Fitting Gasket 30-3705WHT directly through Western Tub and Pool — your trusted source for hot tub and spa repair parts. Call us: 1-855-248-0777 Email us: fixmytub@gmail.com [Shop and Order at Western Tub and Pool] Can't Find the Part You're Looking For? We specialize in hard-to-find hot tub and spa parts. If you can't locate what you need in our catalogue, send us an email at fixmytub@gmail.com with the following details: Photos of the part you need to replace Your hot tub's make and model Your hot tub's serial number Any part numbers visible on the existing component Our parts specialists will do the research and find the right solution for you — no matter how obscure the part.

    • BWG Hydro Air Micro Jet Wall Fitting Gasket

    Balboa

    $4.59
    (No reviews yet) Write a Review
    SKU:
    30-3705WHT-U
    UPC:
    30-3705WHT
    Availability:
    ships from U.S.A
    Width:
    6.00 (in)
    Height:
    4.00 (in)
    Depth:
    4.00 (in)
    Adding to cart… category.add_cart_announcement

    Product Description

    bwg-hydro-air-micro-jet-wall-fitting-gasket-30-3705wht.png

     

    The Exact Replacement Gasket Your Hot Tub Needs

    Stop the leaks before they get worse. The BWG Hydro Air Micro Jet Wall Fitting Gasket (30-3705WHT) is the OEM-quality replacement part your spa deserves — and Western Tub and Pool has it in stock.
    [Shop and Order at Western Tub and Pool]

     

    What Is the BWG Hydro Air Micro Jet Wall Fitting Gasket 30-3705WHT?

    The BWG Hydro Air Micro Jet Wall Fitting Gasket (Part No. 30-3705WHT) is a precision-engineered replacement gasket designed to seal the wall fitting on Hydro Air micro jet systems in a wide range of hot tubs and spas. Over time, gaskets wear out, crack, or degrade due to chemical exposure and heat — leading to leaks, pressure loss, and costly water damage. Replacing it promptly with the correct OEM-compatible part restores your spa's performance and protects your investment.

    Color: White
    Manufacturer: BWG (Balboa Water Group / Hydro Air)
    Part Number: 30-3705WHT

     

    Compatible Hot Tub Models and Brands

    The BWG 30-3705WHT gasket is used across a broad range of hot tub and spa brands and models, including but not limited to:

    • Jacuzzi — Various spa series using Hydro Air jet systems
    • Sundance Spas — Select models with BWG Hydro Air components
    • Marquis Spas — Models fitted with micro jet wall fittings
    • Cal Spas — Compatible spa configurations
    • Coleman Spas — Hydro Air-equipped models
    • Dimension One Spas — Select configurations
    • American Whirlpool — Compatible models
    • Fantasy Spas — BWG-equipped builds
    • LA Spas — Applicable micro jet configurations
    • PDC Spas — Hydro Air-fitted series

    Not sure if this part fits your model? Call us at 1-855-248-0777 or email fixmytub@gmail.com with your hot tub's make, model, and serial number, and we'll confirm compatibility before you order.

     

    Compatible Controls and Cross-Reference Numbers

    This gasket is designed to work with BWG (Balboa Water Group) Hydro Air control systems, including compatible topside and in-line air control configurations used in the above spa models.

    Cross-Reference Part Numbers Include:

    • 30-3705WHT (Primary)
    • BWG-30-3705
    • Hydro Air Wall Fitting Gasket — White Series

    If you have a different part number on hand, send it to us and we'll help you confirm whether this is the correct match.

     

    Product Specifications

    Specification

    Detail

    Part Number

    30-3705WHT

    Brand

    BWG / Hydro Air

    Color

    White

    Type

    Wall Fitting Gasket

    Application

    Micro Jet Wall Fitting Seal

    Material

    Durable spa-grade rubber/polymer

    Compatibility

    Multiple BWG Hydro Air systems

    Note on Dimensions and Weight: Exact dimensions and shipping weight may vary slightly depending on region of origin. Contact us directly at 1-855-248-0777 for confirmed measurements if required for your installation.

     

    Related Replacement Parts

    When replacing your wall fitting gasket, you may also want to inspect and replace these commonly associated components:

    • BWG Hydro Air Micro Jet Body — The jet housing that partners with this gasket
    • Wall Fitting Nut/Lock Ring — Secures the fitting and gasket in place
    • Micro Jet Face/Insert — The visible jet component that directs water flow
    • O-Rings and Seal Kits — Additional sealing components for a full restoration
    • Hydro Air Fitting Assemblies — Complete fitting kits for full replacements

    Browse our full catalogue online or call us to find associated parts for your specific model.

     

    Frequently Asked Questions

    How do I know if the 30-3705WHT is the right gasket for my hot tub?

    The easiest way to confirm is to check the existing part number on your current gasket, or to provide us with your hot tub's make, model, and serial number. You can call us at 1-855-248-0777 or email photos and details to fixmytub@gmail.com — we'll identify the correct part for you.

    What does this gasket do, and how do I know when it needs replacing?

    The wall fitting gasket creates a watertight seal between the jet fitting and the spa shell. Signs it needs replacing include water leaking around jet fittings, reduced water pressure, or visible cracking and deformation of the existing gasket.

    Can I install this gasket myself?

    Yes. This is generally considered a straightforward DIY repair. You'll need to drain the affected section of your spa, remove the jet fitting, replace the gasket, and reassemble. If you're unsure, our team can walk you through the process.

    Does Western Tub and Pool ship internationally?

    Yes, we are an international e-retailer. We ship from warehouses across multiple regions, including the USA, Canada, Europe, and Asia. Parts from each region carry a regional suffix on the part number:

    • U = USA origin
    • C = Canada origin
    • E = Europe origin
    • A = Asia origin

    Please note that some parts may be available from more than one regional warehouse, which can affect shipping timelines and costs.

    What if the part I receive doesn't match what I need?

    Contact us immediately at fixmytub@gmail.com or call 1-855-248-0777. We'll work with you to resolve the issue and get the right part to you as quickly as possible.

     

    Shop and Order at Western Tub and Pool

    Ready to get your hot tub back to full working order? Order the BWG Hydro Air Micro Jet Wall Fitting Gasket 30-3705WHT directly through Western Tub and Pool — your trusted source for hot tub and spa repair parts.

    Call us: 1-855-248-0777
    Email us:fixmytub@gmail.com

    [Shop and Order at Western Tub and Pool]

     

    Can't Find the Part You're Looking For?

    We specialize in hard-to-find hot tub and spa parts. If you can't locate what you need in our catalogue, send us an email at fixmytub@gmail.com with the following details:

    • Photos of the part you need to replace
    • Your hot tub's make and model
    • Your hot tub's serial number
    • Any part numbers visible on the existing component

    Our parts specialists will do the research and find the right solution for you — no matter how obscure the part.

    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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