Silicon Solar Inc - Solar Hot Water Heaters Manufacturer
 
Solar Evacuated Tubes
 

Drainback Solar Hot Water Systems

Complete Systems, Retrofit Kits, Tanks & Accessories
Pre-Packaged Systems 40-50G
Evacuated Tubes
80-120G
Evacuated Tubes
40-50G
Flat Plates
80-120G
w/Flat Plates
Retrofit Kits 40-50G
Evacuated Tubes
80-120G
Evacuated Tubes
40-50G
Flat Plates
80-120G
w/Flat Plates

Tanks & Accessories

10G Drainback
Tank
10G Drainback Tank w/Heat Exchanger Drainback Tank
Sight Glass
Drainback Tank
Stand

40-50G Drainback Solar Hot Water Retrofit Kits with Flat Plates

Drainback Systems are the simplest Solar Hot Water Systems to purchase/install, and require far less maintenance than any other type of Solar Hot Water System. Additionally, Drainback Solar Hot Water Systems can be installed anywhere in the United States becuase of their simple, gravity based freeze protection, which is as efficient (or more so) as a pressurized glycol system.

The unique component of a Drainback Solar Hot Water System is the Drainback Reservoir, which allows water, or a water-glycol mix HTF to drain out of the Solar Collectors and the manifold when the system is inactive, preventing the HTF from sitting in the manifold and exterior piping, which prevents freezing and also extends the life of the manifold and solar collector in general.

There are several distinct advantages that a Drainback Solar Hot Water System has over other Solar Hot Water Systems. These advantages include:

  • Gravity is fail-proof and maintenance free - either water, or a glycol mixture may be used in the collector loop
  • The system is not damaged if the pump fails to run and the system cannot reverse thermosyphon at night
  • The Collector Absorber Plates last up to 3 times longer than in a Pressurized Glycol System
  • The Water/Glycol Mixture never needs to be changed like in a Pressurized Glycol System
  • Most local codes do not require a double-walled heat exchanger in an unpressurized system
  • The homeowner can easily add Distilled Water to the system without need of a visit from the system's installer
  • There are far less moving components to fail (eg. check-valves, air vents and expansion tanks) which dramatically reduces the need and costs of maintenance

And, the biggest advantage of a Drainback Solar Hot Water System is the High-Limit feature of Differential Controllers - this means larger collector areas per gallon can be sized than pressurized glycol systems - ie, one gallon per 1 sq ft of collector space.

Pre-Packaged Drainback Solar Hot Water System:

SunMaxx Drainback Retrofit Kits allow you a simple and affordable package for turning your existing hot water heating system into a money-saving, ultra-efficient Drainback Solar Hot Water System, saving you hundreds of dollars a year in water heating costs, and paying for itself in a only a few years. The best part - this kit is designed to connect your new Solar Hot Water System directly to your existing hot water heater/tank, lowering your installation costs and eliminating your need for a new solar hot water storage tank.

The 40-50 Gallon System is built with SunMaxx-FP Flat Plate Solar Collectors and is capable of heating between 40 to 50 gallons of hot water everyday in a warm climate. This will provide the majority of the water needed for a household of 1-3 people on the average day.

Your System will Include:

  • (1) SunMaxx-FP Flat Plate Solar Collectors
  • (1) Solar Hot Water Circulating Pump
  • (1) Solar Hot Water Controller
  • (1) 10Gallon Drainback Solar Hot Water Tank w/Internal Heat Exchanger
  • (1) Drainback Tank Sight Glass
  • (1) Drainback Tank Stand
  • (1) Set of 2 Pump Flanges
  • (1) Support Team for Assistance when you need it

Our Professionals Sales Team is waiting to help you purchase a Drainback Solar Hot Water System today. Just give them a call and get started saving money with SunMaxx Solar Hot Water today!

Why Go With SunMaxx:


Supply Chain Management: Silicon Solar Inc has partnered with one of the world’s largest manufacturer of evacuated tubes enabling us to offer a reliable technology at an affordable price. As the demand for solar energy products increase, it is important to ensure your supply will not be affected like similar PV installers have experienced. SunMaxx offers real time updates of your order to ensure that you are able to spend less time on logistics and more time in sales & marketing.

Value Added Services: Silicon Solar offers a variety of solar energy products which parallel the solar hot water heating industry. Our all-in-one shop allows you to consolidate purchasing schedules into one supplier. We are always adding new products to our inventory, so please let us know if there is something you believe we should be carrying to support our dealers and installers. In addition, we offer value added marketing services including marketing brochures, power points presentations, installation & sales training, and online marketing tools to enhance your markets exposure. For more information, please contact a sales specialist today.

Better Performance - Better Price = Better Value: In independent testing by the SRCC (Solar Ratings & Certification Corporation) SunMaxx Evacuated Tube Solar Collectors have proven themselves to be a better value than the leading competition. Our Solar Collectors delivered higher performance (28,000 BTU/Day) than the competition, and our low prices mean you get more BTU per $ spent. This means SunMaxx customers experience a rare combination: the best product at the best price. See SunMaxx's SRCC Performance Data or Compare SunMaxx Vs the Competition!

Interested in becoming a SunMaxx Dealer?
SunMaxx solar offers the latest technology in solar hot water heating and is always looking to add more teams to our dealer network. If you would like to become a SunMaxx dealer, please submit our online request form or call us at 1-888-765-2711.

If you are interested in becoming an installer, signup today. Click here to fill out our solar hot water installer application

Need help determining what to order? Call a specialist today!
Our professionally trained staff are ready to assist you in sizing your solar hot water systems. Get same day quotes by filling our online request form or by calling us at 877-SUNMAXX.

Drainback Solar Hot Water System - Pricing:

MSRP: Please call for pricing 1-877.786.6299

Sunmaxx Solar Hot Water Price List (MSRP)
To view our complete solar hot water price list, please click here.

Applications & Forms:
Residential Solar Hot Water Sizing Form
SunMaxx Dealer & Installer Overview & Application
SunMaxx Distributor Application
Solar Power Information Guides:
Solar Water Heating Basics
What are Solar Collectors?
Flat Plates vs Evacuated Tubes
Domestic Solar Hot Water
Solar Radiant Home Heating
Solar Pool & Spa Heating
Common SHW System Types
Solar Hot Water FAQ's
SunMaxx Product Brochures:
Evacuated Tube Solar Collectors
Pre-Packaged Domestic Hot Water Kits
Pre-Packaged Solar Radiant Heating Kits
Pre-Packaged Solar Pool & Spa Heating Kits
Solar Hot Water Storage Tanks
Solar Hot Water Heat Exchangers
Solar Circulator Pumps & Controllers
Pre-Packaged SHW Kit Installation Diagrams:
DHW - Evacuated Tube - 40-50G w/Storage Tank - Existing System Retrofit
DHW - Evacuated Tube - 40-50G w/Storage Tank - New Installation
DHW - Evacuated Tube - 60-70G w/Storage Tank - Existing System Retrofit
DHW - Evacuated Tube - 60-70G w/Storage Tank - New Installation
DHW - Evacuated Tube - 80-120G w/Storage Tank - Existing System Retrofit
DHW - Evacuated Tube - 80-120G w/Storage Tank - New Installation
DHW - Evacuated Tube - 65G w/Heat Exchanger - Existing System Retrofit
DHW - Evacuated Tube - 120G w/Heat Exchanger - Existing System Retrofit
Technical & Installation Manuals:
SunMaxx Evacuated Tube Technical Manual
SunMaxx Evacuated Tube Installation Guide
Flat Plate Installation Guide
Thermosyphon Assembly Guide
Solar Collector Technical Diagrams:

SunMaxx-10 Technical Drawing
SunMaxx-20 Technical Drawing
SunMaxx-25 Technical Drawing
SunMaxx-30 Technical Drawing

Certification Reports & Testing Data:
SunMaxx-20 SRCC Certification Report
SunMaxx Evacuated Tube Solar Keymark Certification Report
SunMaxx Flat Plate Solar Keymark Certification Report
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