Understanding HeatWave Expansion Tanks

HeatWave™ expansion tanks, also known as expansion vessels, are specifically designed for use in closed-loop hydronic heating systems. These tanks provide the essential function of managing fluid expansion in heating systems, particularly in systems running glycol mixtures of up to 50%. They are not suitable for use in open-loop systems or systems that require fresh water for regular topping up.

When water or a glycol mixture is heated in a hydronic system, it expands, increasing pressure within the system. Without a proper means of managing this pressure, the system could be compromised. HeatWave™ expansion tanks are engineered to protect your system from excessive pressure due to thermal expansion, maintaining safe operation and efficiency.

 

Key Considerations for Selection

When selecting a HeatWave™ expansion tank for your hydronic heating system, consider the following key factors to help you select the right product:

Compatibility and Safety

HeatWave™ expansion tanks are designed for closed-loop circuits and should always be used with hydronic heating circuits that include a corrosion inhibitor. The tanks feature a brass air valve and O-ring sealed air valve cap, ensuring leak-free and maintenance-free performance for many years.

These tanks must never be connected to open-loop circuits or any system that requires regular fresh water top-ups, as this could lead to contamination or system damage.

 

System-Specific Requirements

HeatWave™ expansion tanks are available in vertical and inline models, offering flexibility for various installation scenarios and types of systems. The inline models feature a welded hex nut connection, making installation easy, while vertical models come with a rigid base to support the weight of the tank during operation. Each model is built to withstand harsh environments, ensuring reliable performance both indoors and outdoors.

 

Quality Testing and Manufacturing Standards

HeatWave™ expansion tanks are rigorously quality tested at several stages during the production line, ensuring structural integrity and long-lasting reliability. These tanks are built to the same high standards as other premium models like PressureWave and Challenger tanks, ensuring you get a product that meets the highest performance criteria.

HeatWave Expansion Tanks Features and Benefits

Pressure Protection for Hydronic Systems

Hydronic heating systems can be vulnerable to damage from excessive pressure caused by thermal expansion, and HeatWave™ expansion vessels provide effective pressure protection. By absorbing the excess pressure, these vessels ensure the longevity and efficiency of your hydronic system.

Maximum Working Pressure and Temperature

HeatWave™ expansion tanks are rated for a maximum working pressure of 6 bar, making them suitable for a variety of residential and light commercial hydronic systems. Additionally, they can withstand working temperatures of up to 99°C, ensuring reliable performance and a service-free life even in high-temperature environments.

Superior Protection Features

The two-part polyurethane exterior of HeatWave™ tanks, combined with an epoxy primed paint finish and an epoxy undercoating, provides excellent protection from the harshest conditions. This robust exterior offers resistance to UV rays and salt spray, making HeatWave™ expansion tanks ideal for both indoor and outdoor installations.

Maintenance-Free Design

Once installed, HeatWave™ expansion tanks are maintenance-free. Their leak-free air valve and durable construction insure long-term, hassle-free service, minimizing the need for repairs or replacements.

 

Capacity and Installation Flexibility

HeatWave™ expansion tanks are available in capacities ranging from 2 liters to 150 liters (0.5 to 39.6 gallons), providing the flexibility to meet the demands of both small and large hydronic systems. Whether you require a tank for a compact residential setup or a larger, more complex commercial system, HeatWave™ has the right solution to meet the required demands.

Installation Ease

The welded hex nut connection in the inline models makes installation straightforward. For freestanding vertical models, the tanks are designed with a rigid base to ensure stability and support during operation. HeatWave™ tanks can be installed quickly and securely, reducing downtime during system setup and providing a quality solution for your hydronic expansion needs.

 

Fun Facts About HeatWave™ Expansion Tanks

• Installation Ease: HeatWave™ tanks feature an easy-to-install hex nut system connection, streamlining the setup process and saving time during installation.

• Quality Assurance: Every HeatWave™ tank undergoes quality testing at multiple stages during production to guarantee structural integrity and performance reliability.

• Superior Protection: The two-part polyurethane exterior, with its epoxy undercoating, ensures long-lasting protection against UV and salt spray, making HeatWave™ tanks highly durable.

• Pressure Protection: HeatWave™ tanks are specifically designed to manage thermal expansion in hydronic heating systems, offering robust protection against excessive pressure.

• Capacity Range: HeatWave™ expansion tanks are available in a wide range of capacities, from 2 liters to 150 liters, to cater to systems of various sizes.

• Reputable Company: HeatWave™ is a trusted company in the pump industry, known for its expertise in manufacturing high-quality expansion tanks.

Frequently Asked Questions (FAQs)

What systems are HeatWave™ expansion tanks compatible with?

HeatWave™ expansion tanks are designed for use in closed-loop hydronic heating systems, and they should only be used with systems containing a corrosion inhibitor. They are not suitable for open-loop systems or systems requiring fresh water top-ups.

Can HeatWave™ tanks be used in outdoor systems?

Yes, HeatWave™ expansion tanks are designed to withstand harsh environments, including the harshest indoor and outdoor climates. The two-part polyurethane finish, combined with an epoxy undercoating, offers protection from UV rays and salt spray, making them ideal for outdoor installations.

What is the maximum working pressure for HeatWave™ expansion tanks?

HeatWave™ expansion tanks are rated for a maximum working pressure of 6 bar, ensuring safe and efficient operation in hydronic heating systems.

What is the maximum working temperature for HeatWave™ tanks?

HeatWave™ expansion tanks can handle temperatures up to 99°C (210°F), making them suitable for high-temperature hydronic systems.

How do I choose the right HeatWave™ expansion tank for my system?

When selecting a GWS HeatWave expansion tank, consider factors such as the size of your system, the amount of fluid expansion, and the desired capacity. HeatWave™ tanks are available in sizes from 2 liters to 150 liters, offering flexibility for various applications.

Request a Quote for HeatWave™ Expansion Tanks

Ensure the reliable operation of your hydronic heating system with HeatWave™ expansion tanks, designed to withstand various indoor and outdoor climates found throughout the world. Contact us today to request a quote or consultation, and let our experts guide you in selecting the perfect expansion tank for your needs.

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