Rheem 12 Gas Hot Water System – Compact, Efficient & Reliable

Rheem 12L Gas Continuous Flow Water Heater Overview

The Rheem 12L Gas Continuous Flow Water Heater is a reliable and efficient solution for residential hot water needs. As a continuous flow water heater, it heats water on demand, providing rapid hot water whenever you need it. With a 50°C preset temperature, it ensures the best and safest temperature for your household. This unit is part of the Rheem 12-27L continuous flow range, offering a compact design that is perfect for compact home sites or apartments. The Rheem 12L Gas Continuous Flow Water Heater is also energy efficient, with a minimum 6-star energy rating, making it an excellent choice for those looking to reduce their energy consumption.

Instant & Continuous Flow Water Heater for Small Homes

The Rheem 12L Continuous Flow Gas Hot Water System is a space-saving, energy-efficient solution designed for small households, apartments, and compact installations. With its instantaneous heating technology, this unit provides endless hot water on demand, ensuring no storage tank is needed. Whether running on LPG or Natural Gas, the Rheem 12 is built for long-term efficiency and reliable performance, making it the perfect upgrade for enhancing the mechanical design of existing systems like Bosch units.

Measuring just 580mm high and 355mm wide, this compact water heater is perfect for external installations, freeing up space inside your home. With 6-star energy efficiency, a full copper heat exchanger, and frost protection, this system is designed to perform in harsh Australian conditions while helping you save on energy bills.

Why Choose the Rheem 12?

✅ Instant, Continuous Hot Water

✔ Delivers hot water on demand – no waiting, no running out.
✔ Perfect for single-tap use – ideal for small homes, apartments, or granny flats.
✔ 6-star efficiency rating for reduced gas consumption & lower energy bills.

✅ Compact, Space-Saving Design for Compact Home Sites

✔ Small footprint (580mm high, 355mm wide) – great for tight spaces.
✔ Lightweight (16kg) for easy external installation.
✔ Modern exterior finish blends well with any home design.

✅ Built for Durability & Harsh Conditions

✔ Full copper heat exchanger ensures faster heating & extended system life.
✔ Designed to withstand frost-prone areas, making it perfect for Australian climates.
✔ Manufactured in Japan, backed by Rheem’s 80+ years of expertise.

✅ Smart & User-Friendly Features

✔ Controller-compatible – allows easy temperature adjustments for greater control.
✔ Standardized water connections for quick, hassle-free installation.
✔ Quiet operation – no noisy disruptions while heating water.

✅ Reliable Performance with Warranty Protection

✔ 10-year heat exchanger warranty – long-term peace of mind.
✔ Built for off-grid and urban settings, ensuring dependable hot water anytime.

Energy Efficient & Cost Savings

🌱 Lower Energy Bills – 6-star efficiency reduces gas consumption.
🔥 No Heat Loss – Instant heating means no energy wasted storing water.
💡 Smart Temperature Control – Adjust settings with an optional digital controller.

Key Specifications

• Brand: Rheem

• Model: 876812

• Capacity: 12L per minute

• Height: 580mm

• Width: 355mm

• Dry Weight: 16kg

• Cylinder/Heat Exchange Material: Copper Heat Exchanger

• Energy Source: Natural Gas or LPG

• Installation: External only

• Controller Compatibility: Yes

• LED/LCD Status Indicator: Yes

• Warranty: 10-year heat exchanger warranty

Installation and Maintenance

The Rheem 12L Gas Continuous Flow Water Heater is designed for easy installation and maintenance. The unit is mounted to the wall, taking up less space and making it ideal for compact home sites. The heat exchanger is designed to provide efficient heat transfer, ensuring that your hot water needs are met while minimizing energy consumption. The unit is also compatible with remote temperature controller options, allowing you to adjust the temperature to your liking. Additionally, the Rheem 12L Gas Continuous Flow Water Heater is available in natural gas and propane models, making it a versatile solution for different households. With a labour warranty and a 10-year heat exchanger warranty, you can have peace of mind knowing that your investment is protected. Regular maintenance is also easy, with accessible components and a simple design that makes it easy to inspect and replace other components as needed.

Why Choose JR Gas & Water for Your Installation?

🏆 Award-Winning Service – Recognized as Best Plumbers & Best Home Care Store (2023, 2024, 2025).

🔧 Expert Installation – Our team ensures hassle-free setup with optimal performance.

💡 Gas Hot Water Specialists – We help you maximize efficiency and gas savings.

🛠 Reliable After-Sales Support – Ongoing service & warranty assistance for long-term peace of mind.

Upgrade to the Rheem 12 Gas Hot Water System today and enjoy instant, energy-efficient hot water tailored to your home’s needs.

📅 Book Your Installation Now

Flexible Payment Options Available

💳 Buy Now, Pay Later with ZipPay, Humm & Openpay – Flexible payment plans to suit your budget.
✔ ZipPay – Interest-free payments for up to 6 months.
✔ Humm – Spread payments over 12 months for larger purchases.
✔ Openpay – Customizable installment plans for easy budgeting.

Learn More About Payment Options

Final Thoughts: Why Choose the Rheem 12?

The Rheem 12 Continuous Flow Gas Hot Water System is a compact, efficient, and cost-effective solution for small homes, apartments, and outdoor installations. With 6-star efficiency, instant heating, and a full copper heat exchanger, this system offers long-term reliability and energy savings.

Backed by expert installation from JR Gas & Water, you can trust that your system will be installed correctly and optimized for efficiency. The Rheem 12 is a perfect upgrade for those looking to enhance their current hot water systems.

Upgrade to instant, continuous hot water today!

📅 Book Your Installation Now

ZipPay – 6-Month Interest-Free on All Products

ZipPay allows you to buy now and pay later, offering flexible, interest-free payments for up to 6 months on all JR products. It’s easy to set up, and you can customize your repayment schedule to suit your budget. Payments can be made weekly, fortnightly, or monthly, with a $6 fee if the balance isn’t paid off by the due date​.

Humm – Up to 12 Months Interest-Free

Humm provides interest-free payment plans on purchases up to $30,000, perfect for both small and large buys. For items over $2,000, you can spread payments over 12 months. Humm also offers flexibility in scheduling payments based on when you get paid​

Afterpay – 8 Weeks, No Interest

With Afterpay, spread the cost of purchases across four equal installments, due every two weeks, over an 8-week period. There’s no interest, and as long as payments are made on time, there are no fees. Perfect for purchases between $100 and $1,500​

Plenti Finance – For Reclaim Systems Only

Plenti Finance is available exclusively for Reclaim Energy systems. This option offers tailored repayment terms with competitive interest rates, helping make eco-friendly choices more affordable. For more detailed information on Plenti’s terms and eligibility for Reclaim systems, visit the Reclaim Energy finance page​

Brand - Rheem
Model Number - 876812
Volume - 12L
Width - 355mm
Height - 580mm
Manufactured In - Japan
Cylinder/ Heat Exchange Material - NA
Cylinder/Heat-Exchange Warranty - 10 Years
Noise Level - NAdBa
Dry Weight - 16kg
Energy Source - Natural Gas or LPG
Wifi Controller Built in or Compatible - Yes
Built In Timer - No
LED/LCD Status Indicator - Yes
Coefficient of Performance (COP) -

If you're in Queensland and considering a new electric hot water system, JR Gas & Water is the company to choose. Here's why:

Experience and Expertise: JR Gas & Water has over 10 years of experience in the gas and plumbing industry. Their team of licensed and insured professionals is highly skilled and knowledgeable about all aspects of electric hot water system installation, maintenance, and repair. They can provide expert advice on the best system for your needs and ensure a smooth installation process.

Quality Products: JR Gas & Water uses only high-quality products from trusted brands to ensure your electric hot water system is reliable and efficient. They also offer a range of options to suit different budgets and requirements.

Competitive Pricing: JR Gas & Water offers competitive pricing for their electric hot water systems, ensuring that you get a great value for your investment. They also provide a detailed quote upfront, so there are no surprises or hidden costs.

Customer Service: JR Gas & Water is committed to providing excellent customer service. They are always available to answer any questions or concerns you may have and are committed to ensuring your satisfaction.

Local Business: JR Gas & Water is a locally owned and operated business in Queensland. By choosing them for your electric hot water installation, you are supporting a local business and contributing to the local economy.

Warranty and Guarantee: JR Gas & Water provides a warranty and guarantee on all their products and services, giving you peace of mind knowing that your system is covered in case of any issues.

Energy Efficiency: Electric hot water systems can be energy efficient, and JR Gas & Water can help you choose the right system for your needs. They can provide advice on energy-saving features and options, such as timers and thermostats, to help you save on your energy bills.

Safety: JR Gas & Water is committed to safety and ensuring that all installations are done to the highest safety standards. They are also familiar with local safety regulations and requirements, ensuring that your electric hot water system is installed safely and in compliance with all relevant codes.

JR Gas & Water is a reliable and experienced choice for your electric hot water system installation in Queensland. With a commitment to quality products, competitive pricing, excellent customer service, and safety, they can help you make the switch to a more efficient and cost-effective solution for your hot water needs. Contact them today to learn more about their services and how they can help you.