Anatomy of a Spa: 
LuciteŽ Acrylic Surfaces - 
Vacuum Forming - 
Acrylic Shell Reinforcement - 
Aqua-Flo Pumps - 
Plumbing - 
Balboa Equipment Pack - 
Insulation - 
Surround Skirting - 
Floor System - 
Testing - 
 
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Anatomy of a Spa


Sonoma Spas have the reputation for manufacturing excellence. Every Sonoma Spa is built using an Amtech refined process, developed over many years in the spa industry. We use carefully selected components resulting in a quality spa designed for a lifetime.

Anatomy of a Spa:
LuciteŽ Acrylic Surfaces
Vacuum Forming
Acrylic Shell Reinforcement
Aqua-Flo Pumps
Plumbing
Balboa Equipment Pack
Insulation
Surround Skirting
Floor System
Testing
 

Lucite® Acrylic Surfaces
Lucite® acrylics are used exclusively in our spa surfaces for the best long term performance. Lucite® acrylics are formulated especially for the spa industry and incorporate a unique Microban® additive to aid in the control of surface bacteria growth. Acrylics offer durable, easy to clean surfaces, with many colors, magnificent luster, color retention, and UV resistance.

We currently offer the following colors:
(Click here to visit the Lucite® website to view color chips online)

Lucite® Natural Granites™ Series
- Caribbean (blue)
- Onyx (salt and pepper)
Lucite® Granite™ Series with Microban®
- Galaxy (green)
- Lunar (grey)
- Eclipse Sparkle (black, grey, white, silver speckles)
- Odyssey Sparkle (blue, white, black, silver speckles)
 
Vacuum Forming
Sonoma Spas, by Amtech, specializes in deep draw vacuum formed components. Our forming equipment and tooling are specially modified to produce quality acrylic spa shells. We use excellent process controls and proprietary forming techniques which are vital for maintaining material performance, which were learned over many years of research and development.
 
Acrylic Shell Reinforcement
Sonoma Spas, by Amtech, utilizes our True Bonding lamination system for the highest quality fiberglass to acrylic bonding possible. All spas are reinforced in the foot well area with marine grade plywood completely sealed in fiberglass for long life. Our fiberglass reinforcement is hand rolled and inspected for uniform glass to resin content.
 
Aqua-Flo Pumps
We offer state of the art Aqua-Flo® dual speed pumping systems for high performance, low maintenance, and long life in continuous operation. Throughout the water circulation system, we use the highest quality materials, including high grade vinyl tubing, filter housings, and jet port systems.
 
Plumbing
All flexible tubing connections are both clamped and glue sealed for double leak protection.

• High grade vinyl tubing
• Glue and clamp fittings for double protection
• 100% Tested for leakage

 
   
 
Balboa Equipment Pack
The Balboa Duplex Digital is a versatile control system that adds value and flexibility to our spas. It is capable of operating a wide range of functions and by utilizing high quality engineering and microprocessor technology. The Duplex Digital is highly reliable, capable yet simple. Factory preset features such as time outs, ozone management, and filtration settings make day to day operation a breeze.
 
   
 
Insulation
Sprayed on insulation of two pound high density urethane foam provides excellent heat retention.








Reflectix® Insulation sheeting is used on side skirts and bottom floor for double wall heat retention and improved vapor barrier.
 
   
 
Surround Skirting
We offer two choices of skirting for your new spa:

Western Red Cedar

Our cabinet shop uses the finest tongue and groove Western Red Cedar possible attached to rigid 2x4 frame work. Western Red Cedar features beautiful wood grains with a natural resistance to moisture and insects. All wood used in our spa framework is weather treated and our skirting has a weather protection coating.


Maintenance Free Option
We offer the option for CPI Synthetic® skirt cladding for UV resistance and maintenance free performance throughout the life of the product.
 
Floor System
Our spas are completed with weather resistant ABS plastic flooring with a Reflectix® Insulation backing for heat retention. Our spa’s ground contact surface will not rot or decay over time, and provides an excellent vapor barrier protective internal wood framing.
 
Testing
Sonoma Spas are well known for the highest standards in product quality. We incorporate rigid internal manufacturing standards throughout the build cycle, which exceed the industry standards for workmanship and overall quality.

Amtech’s spas are 100% water & dielectric tested, certified through UL, and meet our rigorous ISO 9001: 2000 test procedures.
                                                          NOTE: Spa components subject to change without notice.