Heliatos Boat Freeze Protected Solar Water Heater Kit with External Heat Exchanger
This kit contains everything you need to add a high quality solar water heater to your boat. If your boat water heater does not have a built-in heat exchanger but you still want to install a freeze protected (closed loop) system this kit is for you. Included is a compact stainless steel heat exchanger (316 alloy) and all other parts required for a closed loop system. The antifreeze in the solar loop is heated by Heliatos MH-38 solar water heating panel. This panel has unbreakable twinwall polycarbonate glazing that can withstand hail and other debris. Its strong aluminum frame makes it tough yet lightweight, only weighing 12 lbs.
The MH-38 panels include special features to prevent corrosion even in the harshest marine environments:
- Powder-coated frame and backing, gives the appearance of white enamel
- Zinc-phosphate internal corrosion protection
- Sealed construction
- Stainless steel hardware
These panels have unbreakable twinwall polycarbonate glazing, and a strong aluminum frame, yet only weighs 12 lbs.
Specifications
MH-38 Solar
Materials
- Glazing: UV resistant twin wall polycarbonate
- Frame: Powder coated architectural grade aluminum alloy 6063
- Insulation: Polyiso foam (meets requirements for ASTM-C1289, Type 1
- specification)
- Water Conduit: Copper Tubing (Alloy C12200 certified for public water supplies meeting EPA Lead and Copper Rule 56 FR26460, June 7th, 1991)
- Fittings: Brass, Lead Free compliant with Federal Reduction of Lead in Drinking Water Act ,Dezincification resistant
- Internal Corrosion Protection: Zinc phosphate, polyurethane foam sealant, high endurance silicone
- Seals: Butyl rubber
Physical
- Length: 24.0 Inches
- Width: 25.25 Inches
- Height: 2.125 Inches
- Active Collector Area: 3.674 ft2
- Mounting Hole Spacing: 24.75 x 17.00 Inches x Inches
- Volume of Liquid in Collector: 7.7 fl. oz.
- Total Panel Weight: 14 lb.
- Input and Output Connections: 3/8 “ Compression Fitting
Maximum Ratings
- Pressure: 200 Psi
- Collector Temperature: 203 ºF
- Mounting Surface Unevenness: ¼ Inch (corner to corner)
Each Kit Comes With:
- Your selected quantity of Heliatos MH-38 Solar Water Heating Panel
- 1 HS-21 Heliatos solar circulation pump
- 1 TopsFlo TD5 Stainless Steel Circulation Pump
- 1 25 Watt PV Solar panel to power the pump
- Wire and PV panel mounting tabs
- 25 ft of 1/4" PEX tubing
- Amtrol #15 Expansion Tank
- RV/Marine Glycol Fill and Purge Valve with Drill Pump and Instructions
- Compact Stainless Steel (Alloy 316) Heat Exchanger
- 1 Complete Set of Fittings and Adapters
- Assumes Marine water heater with 1/2" NPT connections (most common)
- Contact us for non-standard Water Heaters or Connections
- Clear and easy to follow installation instructions
All You have To Supply Is:
- Fasteners to attach the panels
- Insulation for the tubing
- Your existing Marine water heater
- Tools needed for installation
View and Download
SKU Numbers and Options
- 1 Panel - 077.0061
- 2 Panels - 077.0062
- 3 Panels- 077.0063
- 4 Panels - 077.0064
Order a Heliatos Boat Freeze Protected Solar Water Heater Kit with External Heat Exchanger today from SolarParadise.com. Free shipping + free gifts on all of our Heliatos Solar Water Heater Kits. Buy today and get a discount, free shipping, and a free gift!
Financing
Available
Clear, transparent terms. Fair rates.
No prepayment penalties.
Pay Over Time
Through Bread Pay™, we offer easy and affordable financing options so you can pay for your purchase over time.
Affordable Monthly Plans
Buy now and pay for your purchase over time at competitive interest rates.
No Prepayment Penalties
Pay for your purchase with monthly payments and prepay at any time without penalty.
Easy Application
Get a decision in seconds with no obligation to buy. Checking your rate won't affect your credit score. Your data is safe and encrypted.
![]() |
Please allow 4-7 business days for your order to arrive. |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |
At Solar Paradise, we are dedicated to providing high-quality solar solutions to help you harness the power of the sun for a sustainable future. Here are some reasons why you should choose us as your trusted solar partner:
Expertise and Knowledge
Our team of experts has extensive knowledge and experience in the solar industry. We stay up-to-date with the latest technology and trends to offer you the best products and solutions for your solar needs. We will work with you to design a customized solar system that meets your unique requirements and budget.
Top-Quality Products
We source our products from reputable manufacturers who share our commitment to quality and sustainability. Our solar panels, inverters, and batteries are all tested and certified to ensure they meet our high standards for performance and reliability. We offer a wide range of products to suit your needs, from small portable solar generators to large-scale commercial installations.
Excellent Customer Service
At Solar Paradise, we prioritize customer satisfaction above all else. Our friendly and knowledgeable team is always available to answer your questions and provide guidance throughout the solar installation process. We will work closely with you to ensure that you are completely satisfied with your solar system and that it meets your expectations.
Competitive Pricing
We understand that solar can be a significant investment, which is why we offer competitive pricing on all of our products and services. We believe that solar should be accessible to everyone, and we work hard to keep our prices affordable without compromising on quality.
Environmental Responsibility
We are passionate about protecting the environment and reducing our carbon footprint. We believe that solar is one of the most effective ways to do this, which is why we are committed to promoting solar energy and making it accessible to everyone. When you choose Solar Paradise, you are choosing a company that shares your values and is dedicated to creating a sustainable future for generations to come.
In conclusion, at Solar Paradise, we pride ourselves on our expertise, top-quality products, excellent customer service, competitive pricing, and environmental responsibility. We are committed to providing you with the best solar solutions to help you power your life with clean, sustainable energy. Choose us as your trusted solar partner and let us help you embrace a brighter, more sustainable future.
Description
Heliatos Boat Freeze Protected Solar Water Heater Kit with External Heat Exchanger
This kit contains everything you need to add a high quality solar water heater to your boat. If your boat water heater does not have a built-in heat exchanger but you still want to install a freeze protected (closed loop) system this kit is for you. Included is a compact stainless steel heat exchanger (316 alloy) and all other parts required for a closed loop system. The antifreeze in the solar loop is heated by Heliatos MH-38 solar water heating panel. This panel has unbreakable twinwall polycarbonate glazing that can withstand hail and other debris. Its strong aluminum frame makes it tough yet lightweight, only weighing 12 lbs.
The MH-38 panels include special features to prevent corrosion even in the harshest marine environments:
- Powder-coated frame and backing, gives the appearance of white enamel
- Zinc-phosphate internal corrosion protection
- Sealed construction
- Stainless steel hardware
These panels have unbreakable twinwall polycarbonate glazing, and a strong aluminum frame, yet only weighs 12 lbs.
Specifications
MH-38 Solar
Materials
- Glazing: UV resistant twin wall polycarbonate
- Frame: Powder coated architectural grade aluminum alloy 6063
- Insulation: Polyiso foam (meets requirements for ASTM-C1289, Type 1
- specification)
- Water Conduit: Copper Tubing (Alloy C12200 certified for public water supplies meeting EPA Lead and Copper Rule 56 FR26460, June 7th, 1991)
- Fittings: Brass, Lead Free compliant with Federal Reduction of Lead in Drinking Water Act ,Dezincification resistant
- Internal Corrosion Protection: Zinc phosphate, polyurethane foam sealant, high endurance silicone
- Seals: Butyl rubber
Physical
- Length: 24.0 Inches
- Width: 25.25 Inches
- Height: 2.125 Inches
- Active Collector Area: 3.674 ft2
- Mounting Hole Spacing: 24.75 x 17.00 Inches x Inches
- Volume of Liquid in Collector: 7.7 fl. oz.
- Total Panel Weight: 14 lb.
- Input and Output Connections: 3/8 “ Compression Fitting
Maximum Ratings
- Pressure: 200 Psi
- Collector Temperature: 203 ºF
- Mounting Surface Unevenness: ¼ Inch (corner to corner)
Each Kit Comes With:
- Your selected quantity of Heliatos MH-38 Solar Water Heating Panel
- 1 HS-21 Heliatos solar circulation pump
- 1 TopsFlo TD5 Stainless Steel Circulation Pump
- 1 25 Watt PV Solar panel to power the pump
- Wire and PV panel mounting tabs
- 25 ft of 1/4" PEX tubing
- Amtrol #15 Expansion Tank
- RV/Marine Glycol Fill and Purge Valve with Drill Pump and Instructions
- Compact Stainless Steel (Alloy 316) Heat Exchanger
- 1 Complete Set of Fittings and Adapters
- Assumes Marine water heater with 1/2" NPT connections (most common)
- Contact us for non-standard Water Heaters or Connections
- Clear and easy to follow installation instructions
All You have To Supply Is:
- Fasteners to attach the panels
- Insulation for the tubing
- Your existing Marine water heater
- Tools needed for installation
View and Download
SKU Numbers and Options
- 1 Panel - 077.0061
- 2 Panels - 077.0062
- 3 Panels- 077.0063
- 4 Panels - 077.0064
Order a Heliatos Boat Freeze Protected Solar Water Heater Kit with External Heat Exchanger today from SolarParadise.com. Free shipping + free gifts on all of our Heliatos Solar Water Heater Kits. Buy today and get a discount, free shipping, and a free gift!
Financing
Financing
Available
Clear, transparent terms. Fair rates.
No prepayment penalties.
Pay Over Time
Through Bread Pay™, we offer easy and affordable financing options so you can pay for your purchase over time.
Affordable Monthly Plans
Buy now and pay for your purchase over time at competitive interest rates.
No Prepayment Penalties
Pay for your purchase with monthly payments and prepay at any time without penalty.
Easy Application
Get a decision in seconds with no obligation to buy. Checking your rate won't affect your credit score. Your data is safe and encrypted.
Delivery And Returns
![]() |
Please allow 4-7 business days for your order to arrive. |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |
Why Buy From Us
At Solar Paradise, we are dedicated to providing high-quality solar solutions to help you harness the power of the sun for a sustainable future. Here are some reasons why you should choose us as your trusted solar partner:
Expertise and Knowledge
Our team of experts has extensive knowledge and experience in the solar industry. We stay up-to-date with the latest technology and trends to offer you the best products and solutions for your solar needs. We will work with you to design a customized solar system that meets your unique requirements and budget.
Top-Quality Products
We source our products from reputable manufacturers who share our commitment to quality and sustainability. Our solar panels, inverters, and batteries are all tested and certified to ensure they meet our high standards for performance and reliability. We offer a wide range of products to suit your needs, from small portable solar generators to large-scale commercial installations.
Excellent Customer Service
At Solar Paradise, we prioritize customer satisfaction above all else. Our friendly and knowledgeable team is always available to answer your questions and provide guidance throughout the solar installation process. We will work closely with you to ensure that you are completely satisfied with your solar system and that it meets your expectations.
Competitive Pricing
We understand that solar can be a significant investment, which is why we offer competitive pricing on all of our products and services. We believe that solar should be accessible to everyone, and we work hard to keep our prices affordable without compromising on quality.
Environmental Responsibility
We are passionate about protecting the environment and reducing our carbon footprint. We believe that solar is one of the most effective ways to do this, which is why we are committed to promoting solar energy and making it accessible to everyone. When you choose Solar Paradise, you are choosing a company that shares your values and is dedicated to creating a sustainable future for generations to come.
In conclusion, at Solar Paradise, we pride ourselves on our expertise, top-quality products, excellent customer service, competitive pricing, and environmental responsibility. We are committed to providing you with the best solar solutions to help you power your life with clean, sustainable energy. Choose us as your trusted solar partner and let us help you embrace a brighter, more sustainable future.
100% Best Price Policy

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size

Choose Your Battery Bank Capacity | Solar Kit Size