Panasonic 400L GL 4kW Compressor

Maximum Capacity for High-Demand Homes

The 400L tank suits large families and homes with multiple bathrooms. Combined with the powerful 4kW CO2 compressor, this system delivers abundant hot water for simultaneous use. Penrith Hot Water customers enjoy uninterrupted supply for showers, baths, and appliances across Penrith, Emu Plains, and surrounding suburbs.

Immediate Hot Water Access

Top-down stratified heating recovers usable hot water almost immediately. This intelligent design maintains temperature layers within the tank, eliminating wait times. Your household enjoys instant comfort without wasting water or energy across Kingswood, Emu Plains, or Penrith.

Japanese Engineering for Australian Climate

Operating flawlessly from -10°C to +43°C, this system delivers reliable performance year-round. The 4kW CO2 compressor handles Greater Nepean weather with precision. No backup heating elements needed—just consistent, efficient hot water in every season.

Durable Vitreous Enamel Protection

The glass-lined steel cylinder resists corrosion in Australian water conditions. Magnesium anode protection significantly extends tank life. Your investment is fully protected by a comprehensive 10-year parts and labour warranty.

Natural CO2 Refrigerant Excellence

R744 CO2 refrigerant is natural, non-flammable, and exceptionally efficient—particularly in cold conditions. This eco-friendly technology performs where older systems struggle, making it ideal for Australian climates and reducing environmental impact.

Smart Control at Your Fingertips

The external Wi-Fi controller and mobile app put hot water management in your hands. Monitor consumption patterns, adjust schedules remotely, and optimise efficiency from anywhere. Modern convenience meets energy responsibility.

Nearly Silent Operation

At just 37 dB(A), this system runs quieter than normal conversation. Your home remains peaceful while delivering premium heating performance.

Government Rebates Reduce Upfront Cost

The Panasonic 400L CO2 qualifies for multiple rebate schemes: STCs (Small-scale Technology Certificates), ESS, and VEEC. Supply and installation packages include instant discounts at checkout. Penrith Hot Water manages all paperwork—you benefit from immediate savings.

WaterMark Certified Quality

This system meets all Australian WaterMark standards, confirming safety and reliability for household use.

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Why Choose This Product?

• Panasonic Heritage: Trusted brand with decades of heating innovation
• Premium Capacity: 400L suits large families with high hot water demand
• Powerful 4kW Compressor: Japanese precision engineering for consistent performance
• Extended Warranty: 10 years parts and labour—comprehensive protection
• Premium Cylinder: Vitreous enamel glass-lined steel with magnesium anode
• Rapid Heat Recovery: Top-down stratified design for immediate comfort
• Natural Refrigerant: CO2 is safe, efficient, and environmentally responsible
• Smart Wi-Fi Control: Monitor and manage from your smartphone anytime
• Ultra-Quiet: 37 dB(A) barely noticeable operation
• No Backup Elements: Reliable heating across all Australian temperatures
• Government Rebates: Multiple schemes reduce upfront investment
• WaterMark Certified: Meets all Australian safety and quality standards
• Local Support: Penrith Hot Water provides expert installation and maintenance across Penrith, Emu Plains, Kingswood, and Greater Nepean

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Product Details

Brand: Panasonic

Model: HE-UM40CR-PHE-400AGR

Type: CO2 Split System Heat Pump

Capacity: 400L

Cylinder Material: Vitreous Enamel Glass-Lined Steel

Cylinder Protection: Magnesium anode

Compressor: 4.0kW (Model HE-UM40CR)

Refrigerant: R744 (CO2 – 630g, natural and non-flammable)

Control: External Wi-Fi controller with mobile app

Insulation: Premium high-density polyurethane

Connections: Dual handed for flexible installation

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Technical Specifications

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Dimensions

Cylinder (Tank)

• Height: 1703 mm
• Diameter: 711 mm

Tank Connection Heights

• Hot Out / HP Return / PTR: 1452 mm
• Cold In / HP Flow: 226 mm
• Sensor Port: 536 mm

Heat Pump Unit

• Height: 672 mm
• Width: 821 mm
• Depth: 299 mm

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Warranty Information

Parts and Labour Warranty: 10 years

Warranty conditions apply. Penrith Hot Water provides comprehensive warranty support and dedicated maintenance for every Panasonic 400L CO2 installation across Penrith, Emu Plains, Kingswood, and the Greater Nepean.

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Delivery Information

We offer free delivery to the following regions:

• Penrith
• Emu Plains
• Kingswood
• Glenmore Park
• Cranebrook
• Surrounding suburbs in the Greater Nepean

Important: All deliveries must be within 50 km of a town with a population over 30,000.

If you’re located outside these areas, please phone us to check availability and discuss delivery options. Note that purchases outside our standard delivery zones will be refunded if free delivery cannot be provided.

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STC Information

All supply and installation prices include STCs assigned to us as a point-of-sale discount.

All supply only prices require the customer to claim the STCs themselves.

What Are STCs?

Small-scale Technology Certificates (STCs) are Australian government rebates on eligible hot water systems. The Panasonic 400L CO2 heat pump qualifies, reducing your overall cost.

Your Options

Supply and Installation: STCs are applied at checkout—no paperwork needed. Immediate savings on your investment.

Supply Only: You’ll claim the STCs yourself. We’ll provide the documentation to streamline the process.

For current rebate amounts on the Panasonic 400L CO2 heat pump, contact Penrith Hot Water for a free quote.

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Downloads

Panasonic Heat Pump Range Brochure

Panasonic C02 Spec Sheet

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Ready to Upgrade?

Experience efficient, responsive hot water with 10-year warranty protection and premium capacity. The Panasonic 400L CO2 heat pump combines Japanese engineering with smart technology for large households across Penrith, Emu Plains, Kingswood, and the Greater Nepean.

Get your free quote today. Contact Penrith Hot Water to arrange a site assessment and discover your potential savings.