SUNNE® Heater for External Tank Applications



The SUNNE® Heater solar water heater collector with 9 gallon heat transfer fluid (HTF) capacity.

Quick Features:
  • For commercial and residential applications.
  • Heats up fast and efficiently.
  • Mounting hardware for flat or inclined roofs included.
  • Simple DIY installation.
  • Made in the P.R., U.S.A. 
FREE SHIPPING. Ships in 4 weeks.
Quick Specs:
  • Materials: T6 Aluminum, Stainless Steel, Tempered (hardened) glass.
  • Width: 36.6 inch
  • Height: 46.8 inch
  • Depth:3 inch
  • Weight: 40 lbs
Product Overview
The SUNNE® Heater for External Tank Applications (ETA) is a solar water heating collector specially designed for efficiently transfer heat to an external tack. This product also has SUNNE's Sediment Free Feature (SFF), which keeps tank clean for better performance and durability and less maintenance.
High Heat Absorptivity: SOLKOTE HI/SORB-II high absorptivity coating absorbs 94% of the solar heat. The high transmissivity tempered glass is smooth so the rain can keep it clean.
High Heat Retention: Its compact design keeps the thermal mass (water) highly concentrated limiting heat loss. SOLKOTE HI/SORB-II low emissivity coating limits heat loss from the collector to the surroundings. Extruded Polystyrene (XPS) R-5 insulation is used to keep tank hot. 
High durability: Will not accumulate sediment. This is because of its indirect configuration in which house water flows through an internal heat exchanger through which heat, not mass, is transferred through the walls of the heat exchanger into the house water as it flows through the exchanger. The heat exchanger is 98% efficient. Made with aircraft grade T6 aluminum which has high corrosion resistance.
Easy Installation: The four legs (included) allow for fast installation. It only has 4 anchoring points.
High Wind Resistance: When properly anchored, it can resist winds of 200+ mph.
10 year limited warranty.
Get federal income tax deduction (U.S. only): Deduct 26% of the installed cost by filling Tax Form 5695.
Dimensions: Width: 36.6 inch, Height: 46.8 inch, Depth: 3 inch
Weight: 40 lbs
Heating Capacity: 6 kWh
Operating Pressure: 80 psi
Connections: 1/2 inch Male NPT
Required anchoring: Four 1/4 inch expansions


  • Installation, Operation and Maintenance Manual: here.
  • Limited Warranty: To be posted soon.