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Home > Consumer Electronics > Water Heater & Components > Solar Water Heater > Stainless Steel Hot Water Storage Tank 500L for Solar Water Heating System in Hotel Application

Stainless Steel Hot Water Storage Tank 500L for Solar Water Heating System in Hotel Application

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Stainless Steel Hot Water Storage Tank 500L for Solar Water Heating System in Hotel Application photo-4

Stainless Steel Hot Water Storage Tank 500L for Solar Water Heating System in Hotel Application photo-5

Product Spotlights

High-quality 500L stainless steel hot water storage tank for solar water heating systems in hotels. Features SUS304/SUS316L inner tank, polyurethane foam insulation, optional heat exchanger and electric backup heater. Customizable, energy-saving, and durable with 25+ years of manufacturing experience. Ships from major Chinese ports.

Negotiable MOQ: 1 Cubic Meter (Price negotiable depending on order volume and customization)

Key Specifications

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Capacity:

500L

Material:

Stainless Steel

Application:

Solar Water Heating System, Hotel

Contact Supplier Request Quote Chat Now

Anping County Boli Hardware Wiremesh Products Factory

2Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Capacity 500L

Material Stainless Steel

Application Solar Water Heating System, Hotel

Color Silver / Customizable

Insulation Polyurethane Foam / Optional

Working Pressure 0.6 MPa / Customizable

Inner Tank Thickness 1.5mm / Customizable

Outer Shell Material Stainless Steel or Painted Steel

Connection Size 1/2 inch or 3/4 inch

Packaging Carton with Foam / Wooden Case

Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer of stainless steel water storage solutions since 1998. With an annual export value of US$5 million to US$10 million, we serve global markets including North America, Europe, Oceania, and Southeast Asia. Our 500L Stainless Steel Hot Water Storage Tank is specifically designed for solar water heating systems in hotel applications, combining durability, thermal efficiency, and hygienic storage. This tank is built to withstand the demands of daily hot water supply while maintaining stable water temperature, reducing energy consumption, and ensuring long-term reliability. Whether you are upgrading an existing solar system or building a new hotel project, this tank offers an ideal balance of capacity and performance.

Key Features

High-Grade Stainless Steel Construction – Made from SUS304 or SUS316L stainless steel (optional), ensuring corrosion resistance, food-grade safety, and long service life. The inner tank is welded with argon arc technology for leak-proof joints.
500L Large Capacity – Perfect for hotels with 20–40 rooms, providing sufficient hot water for showers, laundry, and kitchen use. The tank can be connected in series or parallel for larger demands.
Excellent Thermal Insulation – 50–80mm thick polyurethane foam insulation minimizes heat loss, keeping water hot for up to 72 hours. The outer shell is available in stainless steel or painted steel for weather resistance.
Compatible with Solar Collectors – Equipped with standard copper coil heat exchanger (optional) or direct connection to solar panels. The tank supports both pressurized and non-pressurized systems.
Easy Installation & Maintenance – Includes multiple connection ports (inlet, outlet, vent, drain, thermometer, and electrical heating element flange). The tank comes with adjustable feet and brackets for stable placement.
Customizable Options – We offer customization in color, thickness, insulation density, additional heat exchanger, and electric backup heater (1.5kW–6kW).

Technical Specifications

Parameter	Value
Capacity	500 Liters
Inner Tank Material	SUS304 Stainless Steel (SUS316L optional)
Outer Shell Material	Stainless Steel / Painted Steel
Insulation Thickness	50mm / 60mm / 80mm (optional)
Max Working Pressure	0.6 MPa (6 bar)
Max Working Temperature	95°C
Heat Exchanger (Coil)	Copper or Stainless Steel, optional
Electric Backup Heater	1.5kW – 6kW (optional)
Connection Ports	Inlet, Outlet, Vent, Drain, Thermostat, Flange
Dimensions (Diameter × Height)	~600mm × 1800mm (customizable)
Net Weight	Approx. 85 kg

Benefits for Hotel Applications

Energy Savings – By storing solar-heated water, hotels can reduce electricity or gas consumption by up to 70% compared to conventional water heaters. The high insulation keeps heat loss minimal.
Consistent Hot Water Supply – 500L capacity ensures peak demand periods (morning and evening) are met without temperature fluctuations. The tank can be paired with a backup heater for cloudy days.
Low Maintenance – Stainless steel resists scaling and corrosion, requiring less frequent cleaning. The tank design allows easy access for inspection and replacement of magnesium anode rod (optional).
Space-Saving Design – Vertical or horizontal configuration available to fit boiler rooms, rooftops, or basements. Compact footprint for a 500L tank.
Environmentally Friendly – Using solar energy reduces carbon footprint, aligning with green building certifications and hotel sustainability goals.

Why Choose Boli Hardware?

With over 25 years of manufacturing experience, Anping County Boli Hardware Wiremesh Products Factory has exported to more than 15 countries across North America, Europe, Oceania, and Asia. Our annual export value of US$5–10 million reflects the trust global clients place in our quality. We ship from major ports including Tianjin, Qingdao, Shanghai, and Foshan, ensuring fast delivery. Every tank undergoes strict quality control: pressure testing, insulation performance check, and surface inspection. We offer OEM/ODM services and provide 1-year warranty on manufacturing defects. Our dedicated sales team provides technical support and after-sales service. Contact us today for a quote or sample request to experience the reliability of our stainless steel tanks for your hotel solar project.

Frequently Asked Questions

Q: Can this tank be used with a pressurized solar system?
A: Yes, our 500L stainless steel tank is designed for pressurized systems up to 0.6 MPa. It can be directly connected to solar collectors with a closed-loop heat exchanger. For non-pressurized systems, we also offer an open vent version.
Q: What is the lifespan of the tank?
A: With proper maintenance (e.g., replacing the magnesium anode rod every 2–3 years), the tank can last 15–20 years or more. The stainless steel inner tank resists rust and corrosion.
Q: Do you provide a heat exchanger coil?
A: Yes, we can supply a copper or stainless steel coil heat exchanger as an optional accessory. The coil is installed inside the tank for efficient heat transfer. Please specify when ordering.
Q: What are the shipping costs and lead time?
A: Lead time is typically 15–30 days after order confirmation, depending on quantity and customization. Shipping costs vary by destination port and volume. We can provide a CIF or FOB quote based on your preferred port (Tianjin, Qingdao, Shanghai, etc.).
Q: Can I add an electric backup heater?
A: Absolutely. The tank has a standard flange for installing an electric heating element (1.5kW, 3kW, 4.5kW, or 6kW). We can supply the heater with thermostat control. Please let us know your voltage requirement (110V/220V/380V).
Q: Is the tank suitable for outdoor installation?
A: The outer shell is weather-resistant, but we recommend installing the tank indoors or under a shelter to maximize insulation performance. If outdoor installation is required, we can provide an additional protective cover.
Q: What certifications do you have?
A: Our products are manufactured according to international standards. Certifications such as CE, ISO, or others are available upon request and can be provided for specific markets. Please contact our sales team for details.
Q: How do I clean the tank?
A: The tank is equipped with a drain port for easy flushing. We recommend annual inspection and cleaning of the interior to remove sediment. The stainless steel surface is easy to wipe down.