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Dekka No. Retro-2010 Closed-loop Active Solar Water Heating System
for heating water in a climate where ice can form, expandable to 8 panels
This closed-loop solar water heating system is designed to maximize solar heating savings for a home occupied by 1 or 2 adults. This system converts any water heater into a solar powered water heater.
The external heat-exchanger design makes this a popular solution for revitalizing older systems and upgrading draindown and other closed-loop systems that have expensive replacement parts or parts that are no longer available.
This system:
- is designed using common solar water heating parts
- can connect to an existing water storage tank or work as a stand-alone unit
- provides automatic freeze protection
- works well in most climates, especially where freezing happens at least once a year or when freezing conditions can approach within minutes of collecting heat (such as rapid changing mountainous climates)
- uses a non-toxic propylene-glycol to protect from freezing temperatures
- requires fluid change-out about once every 3 to 5 years
- performs as well as SRCC OG-300 rated systems*
- does NOT qualify for incentives that require OG-300 certification*
- is one of the least expensive, freeze-protected active-systems available
- Closed-loop systems tend to have the lowest overall costs --other than passive systems
- can salvage an existing, broken system --just buy the parts you need
- may be able to use an existing domestic water heater for solar storage with some customization**
- is an example for salvaging a broken system by re-purposing components with new ones to create a high-performance, custom system
- 1. MaidOMist 71 Air Vent Valve
- 2. SB 10K Temperature Sensor
- 3. Radco R410C-HP Solar Thermal Collector
- 4. Watts 70A anti-scalding mixing valve
- 5. SL-2DW3 In-Line temperature gauge
- 6. Watts 100XL-4 T/P valve
- 7. PG100 Pressure Gauge
- 8. Watts 530-34 pressure relief valve
- 9. Goldline GL30-LCO Differential Temperature Control
- 10. FlatPlate DW10X20-14 Heat Exchanger, Double Wall
- 11. Blue-White F-44750LB-12 SolarMeter Flowmeter
- 12. 4500 watt back-up heating element, part of an electric assisted solar storage tank
- 13. Taco 006-B4 Circulator
- 14. Taco 005-F2 Circulator
- 15. Blue-White F-44750LB-12 SolarMeter Flowmeter
- 16. Watts 600-075 Max-Flo Check Valve
- 17. Brass Boiler Drain Valves (quantity 2)
- 18. Amtrol SE-30 Solar Extrol expansion tank
- 19. Rheem No. 81VR12-TC-1 Solaraide 120 gallon Solar Storage Tank
- 20. SB 10K Temperature Sensor
- Virtual Dedicated Server, Standard
- No. R-DBHX-8-80S-64P Solar Water Heating System
- No. SB 10K Temperature Sensor
- No. DX-120-64 EagleSun DX Solar Water Heating System
- No. AE-32 Solar Thermal Collector, Glazed Flat-plate
* This system is NOT OG-300 SRCC certified. It is a working example design, where components may be swapped for parts salvaged from an existing system to create a new one. This system uses common solar heating system components such as those found in OG-300 systems. Each OG-300 system specifies a particular configuration of parts; Each combination requires a separate OG-300 certification process. Too many working combinations exist to certify this type of system in a practical way while keeping prices low.
Includes all the parts identified in the diagram:
System does not include required 5 gallons No. RhoGard Ultra Heat Transfer Fluid and other common plumbing piping, insulation and fittings to complete the system.
UNSPSC code: 40101825
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