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HOME > Energy Efficiency > Solar Pool Heater
Gull - Sun Coil Solar Pool Heater Collector
Gull - Sun Coil Solar Pool Heater Collector
Item Id: SunCoil

Retail Price: $269.95
Your Savings: $30.00
Your Price:
$239.95

Quantity

 
 
Gull Sun Coil Solar Pool Heater Collector - 6 1/2' Diameter
 
* Independently tested as exceeding the performance of a typical 4' X 10' solar collector.
 
Quality Construction
The Gull Sun Coil� is a heat collector constructed of low-density polyethylene irrigation tubing. It has special additives to extend its life in outdoor conditions. The central hub and spokes, which are integral parts of the support structure, are made of A.B.S. with ultraviolet protective coatings. The Sun Coil does not require draining to protect it from freezing. This makes it especially appropriate for cold climates.
 
High Efficiency Design
The Sun Coil's 360 tubular design absorbs light from all angles. The conductive surface area to volume of water ratio is higher than any other manufactured solar collector on the market. The 6 1/2' Sun Coil exceeds or meets the performance of a typical 4' X 10' solar collector. The built-in framework makes installation simple; it requires no clamps, straps, hold-down hardware or wood framing.
 
Save hundreds of dollars when installing on:
 
Tile Roofs
One attachment only. The Sun Coil has the lowest possible impact on tile roofs. Its built-in framework lifts it off of uneven surfaces. One penetration is all that is needed to attach it to your roof's surface. This eliminates the need for expensive wooden framing and fiberglass underlays. It also allows your roof to breathe and stay healthy.
 
Flat Roofs
No attachment required. On flat roofs there is no need to attach the Sun Coil; the weight of the water inside the coils holds the collector in place.
 
Roofs with Hips and Valleys
The Sun Coil is the solution for roofs that can't use standard rectangular panels roofs where triangular and rectangular areas are integrated. The round shape and built-in framework of the Sun Coil can meet requirements where others can't.
 
Ground Mounting
The design of the Sun Coil solar energy collector is a simple and durable enough design that it can be laid flat on the ground or rack mounted.
 
Technical Data
 

Size

6' diameter

Net Collector Area

30.64 sq. ft.

Gross Collector Area

44.10 sq. ft.

Dry Weight

35 lbs.

Wet Weight

127 lbs.

Fluid Capacity

11 gal

Maximum Flow Rate

10 GPM

Recommended Flow Rate

5 GPM

 
Warranty
  • 20 Year Limited Warranty
 
Sizing
 
Some of the things you need to do before making an evaluation of the number of solar collectors required:

1. Measure the pool for surface square footage (length x width). Delete spa when making this calculation. The spa is heated on a separate basis, spa has a smaller capacity of water, when circulating spa only its turnover rate through the solar collectors is much quicker delivering higher temperatures at a faster rate.

2. Now that you have determined the square footage of the pool, check the sizing chart, below, to determine the minimum number of collectors.

Now that we've established base, evaluate what other factors may increase the size of the collector area to insure a good working system.

1. Does roof angle exceed 30 degrees? If so, add 10% more solar collector area per every 10 degree rise in angle away from 30 degrees.

2. If the pool is unusually deep. Note that all these sizing guidelines are based on 3' to 8' pool depths only. If depths exceed 8', add 10% more collector area per foot of additional depth.

3. What temperature range are you comfortable with? If additional temperature is required, add 10% coverage for each 2% of temperature above 82 degrees desired.

Remember that as the pool temperature exceeds the ambient temperature the heat losses of the pool surface will be greater making it more difficult to accomplish temperatures in the upper 80s or low 90s. A pool cover is recommended for this application to stop nighttime heat losses.

4. Is the pool shaded? If so, what percentage of the surface area is shaded and for how long throughout the day. When a pool is shaded it has two drawbacks that are detrimental to the performance of the solar system.

The pool loses its heat absorption gain from the sun.

The pool has heat losses of the surface due to the lower temperature in the shade.

If the pool is shaded, add amount of shaded area to the area of solar collectors required. FOR EXAMPLE: 25% of pool area is shaded, add 25% to the collector area. If the pool is shaded but for a limited time of the day, take the percentage of the day shaded X the area shaded and add to the collector area required. FOR EXAMPLE: 25% of pool shaded X 50% of the day = 12.5% additional panel area required. Pool covers are an advantage in more cases over increased panel area.

5. Is this an unusually high wind area (10-20 mph winds constant?) Loss of heat of the surface of the pool and the solar collectors due to high winds can be compared to the way a fan in a swamp cooler moves air across a water coil to cool down a room.

When sizing add 25 % more coverage to collector area and install a pool cover.

6. Is an extended pool season a requirement? If so, add 15% more collector area to extend the season from April to October. Because of the cooler night time temperatures in the months of April and October, use of a pool cover is a must to extend your swimming season.

7. When pipe runs exceed 100' from equipment to roof, add 5% more collector area.
 
Sizing Chart (Based on the use of 4' x 10' Solar Collectors)
 

Above Ground Pool

Inground Pool

Exposure and Number of Collectors Required

Diameter (feet)

sq. ft.

S & SW
(170-225)
60% Coverage

W & SE
(225-270, 150-160)
70% Coverage

E & Flat
(090-150)
80% Coverage

18-21

310-360

5

6

8

22

370-420

6

7

8

23

430-480

7

8

9

24-26

490-550

8

9

11

27-28

560-620

9

11

12

29-30

630-680

10

12

14

31

690-740

11

13

15

32

750-800

12

14

16



Ships UPS / FedEx. Typically ships within 1 to 2 Days after order is placed.

More than 1 should ship by Freight. 

Please contact us for a shipping quote.



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