Hot Tub Plumbing Components For Sale

Quick Spa Parts - spa and hot tub plumbing parts and products for sale online at the best price.

QuickSpaParts offers top quality plumbing parts for your spa that are manufactured by a leader in the hot tub industry. At QuickSpaParts, we understand you have many manufacturers to choose from when shopping for plumbing parts. You’ll be pleased to find that QuickSpaParts plumbing parts are backed by a manufacturer that understands what consumers want in plumbing parts.

Valves
Quick Spa Parts - Valves for sale online at the best price.

Spa plumbing valves are essential components that regulate the flow of water through the different parts of a hot tub's plumbing system. They are typically made of durable materials, such as PVC or brass, and come in various types, including gate valves, ball valves, and check valves. Properly functioning valves are critical to maintaining a safe and efficient spa system.

You can find hot tub Valves for sale here.
Air Systems
Quick Spa Parts - Air Systems for sale online at the best price.

Spa plumbing air systems are a type of hot tub plumbing system that utilize air to create water jets and bubbles. They typically consist of an air blower, air lines, and air injectors, which work together to provide a therapeutic massage experience in the spa. Proper maintenance of the air system is essential to ensure the spa is operating effectively and efficiently.

You can find hot tub Air Systems for sale here.
Water Manifolds
Quick Spa Parts - Water Manifolds for sale online at the best price.

Hot tub plumbing water manifolds are components that distribute water evenly throughout the spa's plumbing system. They are typically made of PVC or brass and come in different sizes to fit different spa models. Manifolds are essential to maintaining proper water flow and pressure in the spa, and proper installation and maintenance are critical to avoid leaks or other issues.

You can find hot tub Water Manifolds for sale here.
Tubing-Hose-and-Flex-Pipe
Quick Spa Parts - Tubing Hose and Flex Pipe for sale online at the best price.

Hot tub plumbing tubing and flex pipes are essential components of a spa's plumbing system that allow water to flow through different parts of the spa. They are typically made of PVC or other durable materials and come in different sizes to fit different spa models. Proper maintenance and replacement of tubing and flex pipes are critical to avoiding leaks or other issues in the spa's plumbing system.

You can find hot tub Tubing Hose and Flex Pipe for sale here.
Weirs
Quick Spa Parts - Weirs for sale online at the best price.

Spa plumbing weirs are components that regulate the water level in a spa's skimmer. They sit atop the skimmer and allow water to flow through while trapping debris and preventing it from entering the spa's plumbing system. Weirs come in different sizes and styles to fit different spa models and are an essential part of maintaining proper water flow and filtration in the spa.

You can find hot tub Weirs for sale here.
Fittings & Adapters
Quick Spa Parts - Fittings and Adapters for sale online at the best price.

Spa plumbing fittings and adapters are components used to connect different parts of a spa's plumbing system. They come in a variety of sizes and materials, including PVC and stainless steel, and can be used for both above-ground and in-ground spas. Proper installation of fittings and adapters is critical to maintaining a leak-free spa plumbing system and ensuring proper water flow and filtration.

You can find hot tub Fittings and Adapters for sale here.
PVC Fitting and Unions
Quick Spa Parts - PVC Fittings and Unions for sale online at the best price.

Spa plumbing PVC fittings and unions are used to connect PVC pipes in a spa's plumbing system. They are made of durable materials such as PVC, and are resistant to chemicals and heat, making them suitable for use in hot tubs and spas. Properly installed PVC fittings and unions ensure that the spa's plumbing system is leak-free and functioning properly.

You can find hot tub PVC Fittings for sale here.

What Are Hot Tub Plumbing Components?

The plumbing system is the hidden network of pipes, fittings, and valves that moves water through your hot tub. In a hot tub, plumbing components connect everything—from pumps and heaters to jets and waterfalls—ensuring smooth water flow and safe operation.

The main plumbing components include:

  • PVC plumbing lines– the pipes that carry water throughout the spa.
  • Manifolds– distribute water from the pumps to multiple jets.
  • Unions and couplers– allow easy connection and disconnection of pipes, pumps, and heaters.
  • Valves– control water direction and flow.
  • O-rings and gaskets– provide watertight seals at connection points.
  • Flexible hoses– used for curves and smaller jet lines.

Over time, wear, freeze damage, or chemical imbalance can cause leaks or cracks. This is when spa owners start searching for “hot tub plumbing parts for sale near me” or online discount suppliers for hot tub replacement parts.

Why Are Hot Tub Plumbing Components Important?

  1. Circulation & Filtration
    Plumbing keeps water moving through filters and heaters, maintaining cleanliness and consistent temperature.
  2. Jet Power
    Manifolds and jet lines direct water flow, ensuring each jet delivers strong hydrotherapy.
  3. Leak Prevention
    High-quality seals, unions, and valves prevent leaks that could damage equipment or structures.
  4. Longevity
    Well-maintained plumbing reduces strain on pumps and heaters, extending the overall life of your spa.

Common Signs of Plumbing Issues

  • Visible leaks or puddling around the spa base.
  • Reduced jet pressure.
  • Air bubbles or “gurgling” sounds in jets.
  • Heater or pump shutting down due to low water flow.
  • Cracked or discolored PVC pipes.

Buying Tips for Plumbing Replacement Parts

  • Always match the diameter of PVC pipes and unions (common spa sizes are 1.5", 2", or 2.5").
  • Use flexible PVC for tight spaces to reduce stress on connections.
  • Replace O-rings and gaskets whenever you service unions.
  • Search "plumbing parts for sale near me” for quick local pickup.
  • Look online for discount bundles on fittings, valves, and gaskets.

How to Replace Hot Tub Plumbing Components on a Hot Tub

Important: Always shut off power and drain water below the level of the repair area before working on plumbing.

Replacing a Leaking Union or Coupler

  1. Shut Off Power & Drain Spa– Ensure water is below the leak point.
  2. Loosen Old Union– Unscrew the union nut and remove the O-ring.
  3. Install New Union & O-Ring– Fit the replacement, tightening until snug.
  4. Test for Leaks– Refill and run the pump to confirm a watertight seal.

Replacing a Cracked Pipe or Hose

  1. Cut Out the Damaged Section– Use a PVC pipe cutter for clean edges.
  2. Dry Fit New Piece– Position replacement pipe or hose with couplers.
  3. Cement PVC Joints– Apply primer and PVC cement, then connect and hold until set.
  4. Secure Flexible Hoses– Use clamps or glue depending on the type.
  5. Test Flow– Refill spa, run circulation, and check for leaks.

Replacing a Manifold or Valve

  1. Access Component– Remove side paneling to reach the manifold or valve.
  2. Disconnect Plumbing Lines– Cut pipes or remove hoses from the old part.
  3. Install New Part– Glue or clamp pipes into the replacement manifold/valve.
  4. Allow to Cure– Wait recommended time for adhesives to set.
  5. Test Operation– Restore water and power, ensuring flow is restored to jets.