Rheem 4000L Stainless Steel Storage Tank – 9 Bar with Aluminium Insulation
SunCity Hot Water supplies, installs and services the Rheem 4000L Stainless Steel Storage Tank – 9 Bar with Aluminium Insulation across the Sunshine Coast, Brisbane, Bribie Island and Gympie — backed by our quality workmanship guarantee. Call 1300 728 122.
Contact SunCity Hot Water today to discuss how the Rheem 4000L Stainless Steel Storage Tank can provide your business with a reliable and efficient hot water solution tailored to your needs.

Key Features
Large Capacity
With a substantial 4000-litre capacity, this tank is suitable for businesses with high hot water demand. Its size helps minimise downtime and ensures a continuous supply of hot water, which is essential in commercial environments.
316L Stainless Steel Construction
Constructed from high-grade 316L stainless steel, the tank provides exceptional durability and corrosion resistance, making it ideal for applications where water quality and longevity are critical.
850kPa Maximum Working Pressure
Engineered to handle a maximum working pressure of 850kPa, the tank is suitable for high-pressure commercial applications, ensuring safe and reliable operation under varying conditions.

Dependable Performance
The 4000-litre capacity combined with a 9 bar pressure rating ensures a consistent hot water supply, even during peak usage periods. This makes it a dependable choice for commercial operations where reliability is critical.

Durability and Longevity
The high-quality stainless steel construction resists corrosion and wear, providing long service life and reducing the need for frequent replacements.

Reputation for Quality
Rheem is a trusted name in hot water solutions, recognised for manufacturing reliable and innovative products. Choosing this tank aligns your business with a brand known for quality and performance.
Installation, Maintenance & Warranty
Installation

The Rheem 4000L Stainless Steel Storage Tank is designed for easy installation, with 50mm water connections that integrate seamlessly with existing plumbing systems. The Hot Water’s qualified professionals ensure the tank is installed efficiently and safely, minimising disruption to your business operations.
Maintenance

Maintenance is straightforward thanks to the tank’s durable construction and user-friendly design. Routine inspections and servicing help sustain peak performance and prolong the tank’s lifespan. We offers expert support and guidance for maintenance, ensuring the system continues to operate reliably.
Warranty
The Rheem 4000L Stainless Steel Storage Tank – 9 Bar with Aluminium Insulation includes an eight-year commercial warranty on the cylinder, and a 12-month warranty covering parts and labour. We provides full support throughout the warranty period, assisting with maintenance, repairs, and any warranty claims to ensure your hot water system remains dependable and efficient.
Frequently Asked Questions
Does the Rheem 4000L Storage Tank come in other capacities?
Yes, the Rheem Storage Tank is available in capacities of 1000L, 2000L, 3000L, 4000L, and 5000L, allowing businesses to select the right size for their needs.
What are the connection sizes for the tank?
The tank features 50mm water connections, making installation straightforward and compatible with standard commercial plumbing systems.
What type of insulation does the Rheem 4000L Storage Tank use?
The tank uses aluminium insulation to minimise heat loss, maintain consistent water temperatures, and improve energy efficiency.
How much does a new hot water system cost?
The cost of a new hot water system depends on the type and size. Electric storage systems are the most affordable upfront, while heat pump and solar systems cost more but save on running costs and may qualify for rebates. Call SunCity Hot Water on 1300 728 122 for an all-inclusive supplied-and-installed quote on the Rheem 4000L Stainless Steel Storage Tank – 9 Bar with Aluminium Insulation.
How long does a hot water system last?
Most hot water systems last 8–12 years. Electric storage systems typically last 8–10 years, while heat pump and solar systems can last 15 years or more with regular servicing.
What size hot water system do I need?
As a guide, 1–2 people suit 125–160L, 3–4 people (a family of four) suit 250–315L, and larger households suit 400L. Continuous-flow gas units are sized by hot water flow rate instead. SunCity will help size the right system for your household.
How much does it cost to install a hot water system?
SunCity Hot Water quotes all-inclusive pricing — supply, installation by licensed plumbers and electricians, tempering and pressure-relief valves, removal of the old unit, QBCC fees and GST — with no hidden extras. Call 1300 728 122 for a fast quote.
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