SunEarth | Cascade 2 Solar Water Heating System | 80 Gallon w/ 3 TR-20

Overview

This is the 80-gallon SunEarth Cascade 2 with 3 TR-20 collectors, a complete pre-engineered solar water heating system. It can run standalone or preheat water for an existing heater.

Planning a system? Read our guide: How to charge a portable power station with solar panels.

Key benefits

• Heats water with solar thermal energy to cut one of the larger household energy uses.
• Pre-engineered components simplify installation and give consistent performance.
• Drainback design protects against freezing year-round.

Key features

• 80-gallon system with 3 TR-20 collectors
• Dimensions of 95 x 32 in (HxW)
• Max power input of 195 watts
• Max collector area of 96 sq ft
• 3/4-inch potable plumbing

Ideal use

A good fit for smaller households, off-grid homes saving battery power, and high utility-rate areas. SunEarth specifies installation by a qualified professional.

Key specifications

Model / SKU

1672010

Brand

SunEarth

Category

Solar panels

From the manufacturer

Efficient, Reliable Hot Water—Powered by the Sun The SunEarth Cascade 2 80-Gallon Hot Water System turns everyday hot water into a smarter, more efficient upgrade for your home. By harnessing solar thermal energy, it captures the sun’s heat and converts it into reliable, ready-to-use hot water—helping you cut energy use without sacrificing comfort. Built as a complete, pre-engineered solution, this system delivers consistent performance while reducing your reliance on traditional energy sources. Whether used as a standalone system or paired with your existing water heater, it preheats incoming water to lighten the load on your primary unit—so you get dependable hot water, lower utility bills, and a more energy-efficient home every day. *Note: This product must be installed by a qualified professional to maintain warranty coverage. Key Benefits: Lower Energy Bills Without Changing Your Routine: Heat your water using the sun and reduce one of the largest energy expenses in your home—often cutting water heating costs by a considerable margin Complete, Pre-Engineered System: Collectors, storage, heat exchanger, and controls are all designed to work together, simplifying installation and ensuring consistent performance. Built for Real Life—All Seasons, All Climates: The drainback design automatically protects the system from freezing, even in extreme cold, so you get reliable performance year-round. Use Cases: Ideal for homeowners who want to reduce energy costs, off-grid systems, where conserving battery power is critical, and homes in high utility-rate areas where energy savings add up quickly. Tech Specs: Product Dimensions (HxW): 95" x 32" Max Power Input: 195 Watts Max Collector Area: 96ft² Potable Plumbing Diameter: 3/4"

Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.

Before you order

We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.

Our team can help you decide whether the 80-gallon Cascade 2 covers your hot water needs. Message our team on WhatsApp.