Rinnai Enviroflo GR Series 300L Heat Pump – High-Efficiency Hot Water Solution

Buy the Rinnai Enviroflo GR Series 300L Heat Pump for Superior Energy Efficiency & Maximum Savings

Upgrade your home’s hot water system with the Rinnai Enviroflo GR Series 300L Heat Pump, a cutting-edge solution designed for large households (4-7 people). This advanced air-to-water heat pump reduces electricity consumption by up to 70%, significantly lowering your energy bills while providing reliable, high-performance hot water year-round.

With a whisper-quiet operation, automatic frost protection, and government rebate eligibility, the Rinnai GR 300L is built to deliver maximum comfort, durability, and sustainability – even in cold climates.

🔥 Why Choose the Rinnai Enviroflo GR 300L Heat Pump?

✅ Massive Energy Savings – Slash your power bill with up to 70% less electricity usage.
✅ Ideal for Large Households – Designed for 4-7 people, ensuring a constant hot water supply.
✅ Fast Hot Water Recovery – Meets high-demand usage without running out.
✅ Ultra-Quiet Operation – Low-noise technology for a disruption-free experience.
✅ Eco-Friendly & Sustainable – Utilizes renewable air energy to heat water efficiently.
✅ Eligible for STC Rebates – Claim government incentives for additional savings.
✅ Weather-Resistant Design – Built to withstand harsh Australian climates, with frost protection.
✅ Premium Warranty Coverage – Includes 5-year cylinder warranty & 2-year parts and labour for peace of mind.

🌿 How the Rinnai Enviroflo GR 300L Heat Pump Works

The Rinnai GR 300L uses air-to-water heat exchange technology, extracting heat from the surrounding air and transferring it into the insulated storage tank. This process requires far less energy than traditional electric water heaters, delivering faster heating while keeping electricity costs low.

Designed for high efficiency, this system also features frost protection, ensuring reliable performance in cold climates while maintaining consistent hot water delivery day and night.

📊 Technical Specifications – Rinnai GR 300L Heat Pump

📦 Order the Rinnai Enviroflo GR 300L Heat Pump Online – Fast Delivery Australia-Wide

Shop the Rinnai Enviroflo GR 300L Heat Pump now at Installed Today and enjoy fast, hassle-free shipping across Australia.

✅ 100% Australian Stock
✅ Secure Online Ordering
✅ Trusted Warranty Support
✅ Top-Tier Customer Service

🚀 Upgrade your home with a high-performance heat pump today! Buy now at Installed Today.

* Requested element size may come delivered separately to system for electric systems - All units supplied with factory with 3.6kW

**Where a unit supplied is capable of supplying more than 50°C, a tempering valve must be installed on the property or purchased as part of a valve kit with your order.

Buying a new hot water system or hot water part should be simple. Hot Water Outlet helps you compare hot water systems, valves, thermostats, elements, pipework and fittings in one place, so you can choose the products that suit your home, budget and hot water needs without the back and forth.

Whether you already know exactly what you need or you are still comparing electric, gas, instant gas, gas storage or heat pump hot water options, Hot Water Outlet makes it easier to order with confidence.

Why Customers Choose Hot Water Outlet

Hot Water Systems and Parts in One Place

Shop hot water systems, valves, thermostats, elements, pipework and fittings online from one focused hot water store. Choose the system first, then add the parts and accessories needed for your setup.

Clear Product Pricing Before Checkout

See your hot water system price upfront, then add common valves, fittings or accessories before placing your order. This makes it easier to plan your purchase and compare options before checkout.

Product Details That Actually Help

Key specs, sizing details, tank capacity, flow rate, gas type, energy source, dimensions, warranty information, product features and suitability notes are shown clearly, so you can compare hot water systems properly before you buy.

Valves and Accessories Available

Where relevant, you can add common hot water parts such as tempering valves, pressure relief valves, duo valves, non-return valves, thermostats, elements, pipework and fittings to help complete your order.

Built for Australian Hot Water Buyers

Hot Water Outlet is focused on hot water systems and accessories for Australian homes, rentals, renovations and replacement projects. Browse trusted brands and compare practical options for common household hot water needs.

One Simple Online Order

Add your hot water unit and selected parts to cart in one order, instead of searching across multiple suppliers for systems, valves, fittings and accessories.

Practical Help Before You Buy

Not sure which hot water system, size, energy type or accessory is right? Hot Water Outlet gives you a clearer way to compare electric hot water systems, heat pump hot water systems, gas storage hot water systems and instant gas hot water units before you order.

Designed To Make Your Decision Easier

Hot Water Outlet is built for customers who want a faster, clearer and more convenient way to buy hot water systems and hot water parts online.

Instead of guessing which product suits your home, searching multiple suppliers, or trying to match accessories separately, you can review the system, compare the specifications and add common hot water parts before checkout.

Choose your hot water system.

Add the valves and accessories you need.

Compare product details before checkout.

Order online with confidence.

It is a simpler way to buy the hot water products and parts that matter most.

Important Note

Product suitability can vary by property, existing services, energy source, gas type, available space, connection points, pressure requirements and local compliance requirements. Always check product specifications carefully and confirm the selected hot water system, valves, fittings and accessories are suitable for your property before ordering.

Standard Delivery: 2–8 business days

Express Delivery: 1–4 business days

90% of products are delivered the next business day where stock, postcode eligibility and freight availability allow.

Delivery timeframes are estimates and may vary by product, stock location, delivery postcode, carrier availability and order timing. Wet weather, storms, flooding or unsafe site access may delay delivery and are additional to any advertised or guaranteed freight timeframes.