Wholesale Hot Tub Parts: Complete Spa System Kits Explained for Global Buyers
At Hydrorelax, we often get similar questions from spa manufacturers in the U.S. and Europe:
"What exactly is included in your kits?"
"What's the MOQ? Can I mix different models in one order?"
"Will it fit our existing spa system?"
These questions all point to one thing, customers aren't just looking for single parts. They want complete, ready-to-install spa solutions.
This blog introduces Hydrorelax's wholesale spa system kits and explains how they support global buyers in making faster, smarter purchasing decisions.
Why Choose Complete Spa System Kits?
More and more buyers are choosing full spa system kits instead of ordering jets, pumps, lights, or control panels separately.
The reason is simple: a system that's fully matched and tested helps reduce compatibility issues and installation costs later on.
Key benefits of full system kits:
Better performance match
Every pump, jet, and pipe is tested together for balanced flow and power.
Easy to install
All components and wiring ports are pre-set at the factory, ready to connect.
Low MOQ
Each Hydrorelax system kit starts at only 20 sets, ideal for OEM trials or small runs.
Global certifications
CE, RoHS, UL, and TÜV approved for safe and compliant exports.
What's Included in Each System Kit?
One of the most common questions we get is, "What exactly comes in your kits?"
Hydrorelax currently offers five main system kits, which can be ordered separately or mixed as needed.
Designed to deliver strong water massage performance, often used in luxury spas or whirlpool tubs.
Standard setup
1.Pump ×1 (1.5HP, 2.0HP options,etc.)
2.Massage jets (Directional , Twin Roto types and more, usually 6–12 jets based on flow rate and power)
3.PVC pipe sets and elbows
4.Waterproof gaskets, Y-branches, and three-way connectors
Design notes
Each component is flow-tested to ensure even water pressure and quiet operation.
Standard versions are available in 120V/60Hz for North America and 220–240V/50Hz for Europe, Australia, and the UK, with flexible configurations for different market standards.
Designed to provide a gentle air massage experience, often used together with whirlpool systems.
Standard setup
1.High-performance air blower ×1
2.Air jets (mini or LED jets,6–12 jets or more)
3.Pressure-resistant air tubing
4.Push button and vinyl air hose
Highlights
1.Air blower features noise reduction and thermal protection
2.Each kit comes preset for optimal airflow, suitable for 2–3 person or 4–6 person tubs
3.Complies with CE, TUV ,UL and RoHS standards
Mood lighting is an essential part of a modern spa, with a wide variety of options.
Standard setup
1.High-brightness waterproof LED lights (IP68, available in mini lights, light strips, and other styles)
2.Control board or remote
3.Power module (transformer, AC adapter, etc.)
4.Multi-core waterproof extension cables
Features
1.Supports single-color or RGB multi-color effects
2.Can work with the control system to sync lighting with massage modes
3.Optional 12V low-voltage input for safe, global use
The control system is the "brain" of the spa, managing pumps, air blowers, lights, UV, and the heater.
Standard setup
1.Main control box ×1
2.Heater module ×1
3.User control panel (button or touch type)
4.Temperature and water level sensors(optional )
5.Waterproof cables and connectors
Compatibility highlights
1.North America: UL-certified, supports 120V/240V 60Hz
2.Europe: CE and TÜV certified, 230V 50Hz
3.Optional WiFi module for app-based remote control
Other Systems
Hydrorelax also offers the following optional modules to help OEM clients create unique spa designs:
1.Thermostatic System: keeps water temperature stable and energy-efficient
2.Circulatory System: maintains clean and clear water
3.Ozone System: provides automatic sterilization and deodorization
4.Spa Audio-Visual System: Bluetooth control with waterproof speakers
5.Support System:The system components include the spa cover, the spa cover lifter, spa steps, spa handrails and spa caddies.
6.Framework System:Mainly composed of skirt panels.
All these systems use a modular interface and can be freely combined with the main spa system.
How to Choose the Right Spa Accessories Kit?
When selecting a system, focus on the following points:
1. Voltage and Frequency
North America (U.S. and Canada): 120V or 240V / 60Hz
Europe, UK, Poland, Lithuania: 230V / 50Hz
Other voltages and frequencies can be customized. Hydrorelax presets the voltage and connector type according to each market before shipment.
2. Lighting and Control Matching
For RGB lighting, we recommend adding a WiFi control system for synchronized color changes.
Control panels are available with multilingual displays.
3. Overall Considerations
Hot tub size and water capacity
Jet layout and spray direction
Pipe resistance and pump flow rate
User comfort and massage coverage
Spa Component kits Wholesale FAQ
What is the minimum order quantity?
Each system kit has a standard MOQ of 20 sets.
Can I customize the jet quantity or add my logo?
Yes. We support customization for jet style, quantity, control panel, and plug type.
Can I test a sample first?
Yes, sample kits are available for testing. Sample and shipping costs are covered by the buyer.(Some samples are available for free, only the shipping cost needs to be covered.)
At the same time, we regularly provide samples of our new products to our long-term customers to help them keep abreast of the latest product lines in the market.
What is the lead time?
Regular orders take about 25 to 45 days, depending on the quantity.
For in-stock products, sea freight usually takes one to two months, while air freight takes within a week.
For out-of-stock products, the production lead time shall be added.
Do you offer technical support?
Hydrorelax provides remote installation guidance and wiring diagrams to help ensure smooth assembly.
OEM Support and After-Sales Service
With 25 years of experience in spa component manufacturing, Hydrorelax provides full OEM support for global clients.
System testing
Every kit is powered on and waterproof-tested before shipment.
Spare parts
Original parts and quick replacement service are available.
Global support
Long-term partnerships with customers in Europe and North America.
OEM/ODM capability
Custom logo, color, and packaging design options.
Our goal is to make every system truly plug-and-play, with full after-sales support for both installation and performance.
Hydrorelax Complete Spa System Solutions
For spa manufacturers around the world, choosing the right system supplier means higher production efficiency, stronger market competitiveness, and better brand quality.
Hydrorelax's wholesale spa system kits cover the full range, each kit is engineered, fully tested, and meets electrical and safety standards for different countries.
Whether you are in the United States, Canada, the United Kingdom, Poland, Lithuania,or other country, we offer voltage-matched, certified system solutions with a low MOQ of only 20 sets.
Visit our customization page for personalized system design support, or contact us directly for the latest quotes and information.