264G StorMaxx™ CTEC Solar Storage Tank W/ 2HX
Discover the robust 264-gallon StorMaxx™ CTEC Tank, expertly designed with a stainless steel interior and durable steel exterior. Equipped with two stainless or carbon steel heat exchangers (model-dependent), it’s ideal for combined systems. Measuring 39in x 80in, this is the perfect balance of capacity and size.
How to order?
- Order online or contact sales team directly
- 24-hour online order confirmation
- SunMaxx Solar™: solar hot water equipment manufacturer
- Availability and production lead times subject to production queue
Experience the value and benefits of our manufacturer-direct pricing on all online listings. For wholesale and distribution inquiries, we encourage you to reach out to our office to receive a tailored offer that meets your needs.
Looking to connect with our office? Give us a call at 1-877-786-6299, and we'll be happy to assist you!
The StorMaxx™ CTEC 264G is a large solar hot water storage tank with 2 built-in coil heat exchangers, a durable steel body and a 4″ thick insulation jacket. The StorMaxx™ CTEC is great for larger residential and small commercial solar hot water system installations.
SunMaxx StorMaxx™ CTEC Solar Tank water heaters, offer a cost-effective water heating alternative. These tanks include a back-up electric element, which allows for the versatility of a stand alone solar water heater, or pipe it in as a pre-heat solar system. Longer life equals to higher return on investment. Outer jacket made from steel and powder coated for a lasting, durable finish.
StorMaxx™ CTEC Tank Features
- Suitable for combined systems
- 2 Heat Exchanger inside the tank
- 39 IN x 80 IN (DxH)
- 264 gallons storage tank
- Highly effective 4″ thick thermal insulation
- Recommended for large residential system and small commercial systems
What parts & accessories do I need?
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StorMaxx CTEC 264G 2HX Storage Tank Insulation Jacket
StorMaxx-Ctec Replacement Jacket-211-3HX-V1
- Volume: 264 gal
- Weight: 506 lbs
- Diameter: 39 IN
- Height: 80 IN
- # of HX: 2
- Insulation: 4″ thick
- Buffer Capacity: 255.5G
- Heat Exchanger Capacity (DHW): 8.7G
- Heat Exchanger Surface Area (DHW): 80.7 ft2
- Heat Exchanger Capacity (Bottom): 4.9G
- Heat Exchanger Surface Area (Bottom): 32.3 ft2
- Heat Exchanger Operating Pressure (DHW): 232 PSI
- Heat Exchanger Max Temperature (DHW): 230F
- Heat Exchanger Operating Pressure (Bottom): 44 PSI
- Heat Exchanger Max Temperature (Bottom): 203F
- Buffer Tank Operating Pressure: 87 PSI
- Buffer Tank Max Temperature: 203F
Can you install ports in the bottom of the tanks?Dawid PInstalling the ports in the bottom parts is not recommended by SunMaxx Solar ™ . They are always installed in the top of the NP tank due to some reason. Firstly the water is filling the tank to determined level. Ports are located above the water surface - no leaking water from tank. Locating the ports in the bottom parts can cause the leaks and have to be well isolated. Moreover, parts for inslling can cost a huge amount of money. That all issues may lead to some problems, that SunMaxx Solar ™ install ports on the top locations.
How do I clean the tanks?Dawid PCleaning the tanks is a process which is simple but easily can cause some troubles. Cleaning the outer layer you can you a pressure washer - it should work. When you want to clean inner site you can also use that device. Before you start remove all the heat exchanger coils carefully, don't cut the rubber membrane. Also the pressure washer can cause some damages in the surface of it, so remember to wash it carefully. After processes place all compactness on their place.
How can you use the tank in drain back applications?Dawid PThe drain back tank are perfect solution for solar thermal system in the area where climate is challenging. That means extremely hot or cold temperatures. These tank allows all the water in the system (collector and piping) to drain into the tank reservoir. The water also protects the system form freezing and overheating. Below there is a the simplest scheme of the system with basic components.
How do I check the water level inside of the tank?Dawid PThe are a lot of different methods how can you check the water level and measure it. The simplest method is to use the wooden stick (length is greater than tank height) or line ended with some heavy weight. After that you can measure the level with measuring tape. For sure you can find some sophisticated methods but using simple one you will reduce amount of money spend on a special equipment.How can you do it in a 5 simple steps:
- Remove the top lid of the NP tank.
- Take a stick or line and put it to the tank (in both situations this items should touch the bottom lid).
- Mark a level of water and take out stick or line.
- Measure the distance with a measuring tape - you will instantly know the level of water in your tank.
- Put the top lid on the NP tank to close it.
How many heat exchangers can I fit in the tank?Dawid PThe amount of heat exchangers which can be fit in the tank mainly depends on the size of the NP tank and its increasing with the diameter of the tank. Before you buy the heat exchanger please check two parameters:
- The height of the NP tank - heat exchangers can't be higher that tank
- Maximum amount of HX which can be fit in the tank
How to connect heat exchangersDawid P
Connecting the heat exchanges depends on a customer requirements. The number of HX depends on some factors like tanks size, number of collectors and heat requirements. There are some possibilities to connect the heat exchangers. In our offer 80/80 Stacked 3/4" Corrugated Stainless Steel HX and 90 3/4" Corrugated Stainless Steel HX. Customer can connect HX in few ways. Only Solar Side, no connection in DHW side or both side connected.
DHW&Solar Side Connection - Stacked HX
Connection used in stacked HX. One of the most common type of HX connection. Requires some additional elements like HX Connection Tees. Applicable for connection HX on DHW side and Solar Side. For more accurate questions you can contact the engineering team.
Solar Side Connection - Stacked HX
Connection used in stacked HX. Requires some additional elements like HX Connection Tees. The connection type uses only the Solar Side ports. There is no heat exchanger connected with DHW Side.
DHW&SolarSide Connection - HX
Connection used in single HX. Requires some additional elements like HX Connection Coupling. Applicable for connection HX on DHW side and Solar Side. One heat exchanger is connected to solar loop, there other is connected to DHW loop. There is a possibility to add more heat exchangers on both side. In this case you will need some extra elements like HX Connection Tees.
SolarSide Connection - HX
Connection used in single HX. Requires some additional elements like HX Connection Tees. The connection type uses only the Solar Side ports. There is no heat exchanger connected with DHW Side.
Why Sunmaxx Solar tanks have no electric back up elements?Dawid PSunmaxx Solar tanks are typically used to pre-heat to an existing primary tank. This solutions has some advantages and its definitely more effective than installation the integrated heat source inside the solar tank. Pre-heating help to reduce the heat loses and price of electricity bills. The main factor of this solution is efficiency .
Can I Connect Existing Installation To The New Tank?Dawid PYes you can. But we are recommending to use dedicated parts to our installations. All products can be easily connected using the SunMaxx Solar products. Moreover they we designed to different type of connections. Changing the parts and system installation may led to some problems or improper way of working the system. If it is not enough for you , call us we will help you.
- 7 years limited on tank and coil heat exchanger
- 3 years limited on tank and coil heat exchanger in all commercial installations
Why SunMaxx Solar
Investing in a complete solar hot water kit from a single manufacturer is essential for ensuring the longevity and efficiency of your solar hot water system. A streamlined approach to sourcing components simplifies the process of installation, maintenance, and servicing.
By choosing a single manufacturer for your solar hot water kit, you can benefit from comprehensive documentation for service and maintenance. This approach helps prevent issues arising from improperly installed or maintained systems. Studies show that over 60% of solar hot water systems fail due to incorrect installation or lack of proper maintenance.
Purchasing a complete kit from one manufacturer guarantees compatibility between components and streamlined support from the provider. This ensures that you have access to knowledgeable experts who can address any concerns or questions related to your specific system. Furthermore, a single manufacturer can provide a unified warranty, eliminating the need to deal with multiple companies in case of any issues.
In summary, investing in a complete solar hot water kit from a single manufacturer is a wise decision for homeowners and businesses alike. It ensures smooth installation, proper maintenance, and reliable long-term performance, maximizing the return on your investment and providing a sustainable hot water solution.