If your boat water heater has a built-in heat exchanger this kit is for you. It contains everything you need to add a high quality freeze protected solar water heater to your boat. It simply connects to the heat exchanger that is already in your water heater. The antifreeze in the solar loop is heated by Heliatos MH-38 solar water heating panels. This panel is robust enough to be mounted on a vehicle at highway speeds, has unbreakable twinwall polycarbonate glazing, and a strong aluminum frame, yet only weighs 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.

Each kit comes with:

• Your selected quantity  Solar Water Heating Panel 
• 1  solar circulation pump 
• 1 10Watt 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
• 1 Complete Set of Fittings and Adapters
• Assumes RV water heater with 1/2" NPT connections (most common)
• Contact us for non-standard Water Heaters or Connections
• Clear and easy to follow

All You have to supply is:

• Fasteners to attach the panels
• Insulation for the tubing
• Your existing Marine water heater
• Tools needed for installation