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GAS Pool Heaters - Discover quality alternative heating options
to be sure that Gas Heating is the right choice for your pool.
Were you aware propane or natural gas has the highest operating
cost, and is the least efficient / cost effective way to heat a pool?
If you require rapid heat up, constant temperature regardless of
outside temperature, or you are heating a spa or hot tub, then the
gas heater below may be right for you.
ALERT » View other higher efficiency options
. Side-by-side major heating systems comparison guide reviews
. the details on Gas Heaters, and how they compare to the two
. other major heating methods - Heat Pumps and Solar
HELP » Contact Customer Support
. Toll-Free help line offering system selection support
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Laars and Jandy combined
their expertise to design the
new technologically advanced
Lite2 heater. Its easy, programmable features make
life around the pool more enjoyable.
Built for dependability and
efficiency, the LJ Series Lite2 is one of the most reliable heaters on the market. High-performance insulation and efficient operation make this heater an excellent value. It earns the 5 star rating in the Energy SuperMarket's Consumer Value guide!
Available in Natural Gas or Liquid Propane
Jandy gas heaters will effortlessly raise your pool's temperature well into the 80-90 degree range, and/or your spa to 104 degrees, generate a rapid heat-up, plus ensure a constant temperature regardless of weather conditions.
In addition to warming the water, the swimming season can be extended in cooler climates by as much as 50 percent. Jandy units require little to no maintenance, and typically last 5 to 10 years, or more.
With over one million units installed, Jandy's Laars heaters continue to provide reliable and efficient comfort for your pool and spa. Reliability means Comfort!
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LJ Series Lite2 Highlights:
. Copper heat exchanger and Flo-ThruT baffles - Allow for efficient heat transfer, lowering your operating costs and extending your swimming season!
. Ceramic fiber combustion chamber - Contributes to a lighter weight and more compact design
. Liquid crystal digital display with programmable pump control. Dual thermostats allow for different temperature settings for the pool and spa. Built-in freeze protection and heater diagnostics.
. Self-cleaning, hot surface ignition - Provides quick start-up every time and prevents sooting. No burner tray removal required and igniter easily replaced with one screw.
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Jandy Laars LJ Series Lite2 Specifications
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| Model |
LJ125 |
LJ175 |
LJ250 |
LJ325 |
LJ400 |
BTUs 1000's
[kcal] |
125
[31.5]
|
175
[44.1]
|
250
[63]
|
325
[81.9]
|
400
[101]
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"W" Width inches
[cm] |
15
[38]
|
18
[45.7]
|
22.5
[57.2]
|
26.75
[67.9]
|
31.75
[60.6]
|
"V" Vent diameter
[cm] |
5"
[12.7]
|
6"
[15.2]
|
7"
[17.8]
|
8"
[20.3]
|
9"
[22.9]
|
"H" Outdoor Stack
[cm] |
9.125"
[23]
|
9.75"
[24]
|
10"
[26]
|
10.625"
[27]
|
13.25"
[34]
|
"H" Indoor Stack
[cm] |
16.25"
[41.3]
|
24.125"
[61.3]
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25.25"
[64.1]
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26.5"
[67.3]
|
27.5"
[69.9]
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Weight lbs.
[kgs] |
148
[67]
|
175
[79]
|
182
[83]
|
214
[97]
|
228
[103]
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How to choose the right size pool heater:
First, determine the desired temperature difference by subtracting the coldest average air temperature when the pool will be in use from the desired pool water temperature.
Example: 85ºF [desired pool water temperature] - 60ºF [air temperature when pool is opened] = 25ºF difference.
Then, using the Pool Heater Sizing Chart below, select the appropriate heater model number. [Sizing chart based on 3-1/2 mph average wind and average pool depth of 5-1/2 feet]
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POOL HEATER SIZING
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| MODEL |
LJ125
|
LJ175
|
LJ250
|
LJ325 |
LJ400 |
|
temp. diff.
|
Maximum Pool Surface Area in Square Feet
|
| 15ºF |
667
|
889
|
933
|
1244
|
1333
|
1778 |
1733 |
2311 |
2133 |
2844 |
| 20ºF |
500
|
667
|
700
|
933
|
1000
|
1333 |
1300 |
1733 |
1600 |
2133 |
| 25ºF |
400
|
533
|
560
|
747
|
800
|
1067 |
1040 |
1387 |
1280 |
1707 |
| 30ºF |
333
|
444
|
467
|
622
|
687
|
889 |
867 |
1556 |
1067 |
1422 |
| 35ºF |
286 |
381 |
400 |
533 |
571 |
762 |
743 |
990 |
914 |
1219 |
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Blue figures based on zero wind
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How to choose the right size spa heater:
Identify the number of gallons your spa holds. Decide the heat-up time desired, and note on the chart which Lite2 model is recommended. The chart indicates the approximate time required to rise the spa temperature 30ºF.
Example: A model number 250 heater on a 600 gallons spa will take approximately 45 minutes to raise the temperature approximately 30ºF [depending on wind, insulation, etc]
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SPA HEATER SIZING
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| MODEL |
LJ125
|
LJ175
|
LJ250
|
LJ325
|
LJ400
|
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spa size [gallons]
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Time to Heat Spa 30ºF [minutes]
|
| 200 |
30
|
21
|
15
|
12
|
9
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| 400 |
60
|
43
|
30
|
23
|
19
|
| 600 |
90
|
64
|
45
|
35
|
28< DIV>
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| 800 |
120
|
86
|
60
|
46
|
37
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| 1000 |
150
|
107
|
75
|
58
|
47
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CONSUMER NOTICES and ALERTS
IMPORTANT Notes:
. Gas Heater Installation - Upon delivery of unit,
installation of a heater can be performed by homeowner, but The Energy SuperMarket strongly recommends the installation of any new or replacement gas heater be done by trained personnel, a licensed and insured contractor, or by a pool/spa professional.
. Gas Connections - Actual hook-up of the gas connections and the turn-on of the gas itself are highly recommend, and in most states legally required, to be performed by a licensed and insured plumber, or a gas utility company employee.
. Critical Warning - Do not attempt to connect gas lines or turn-on gas yourself! Serious personal injury, damage to the unit and/or home, fire, or explosion could result!!! ____________________________________________________
Function: Warms pool/spa to 80-90° plus extends season
Benefits: Maximizes your pool/spa investment!
Product Applications:
. Residential and light-duty commercial installations
. Do-it-yourself project; average three hour installation
. Change-out feasible by handy-person / hand tools
. Gas hook-up performed by a licensed professional
. Easy to read step-by-step installation manual
. Excellent for pools/spas at residential, condo, resort,
. hotel, motel, and vacation home locations
. Supplementing a gas heater with a solar pool cover
. greatly enhances its performance, plus reduces
. energy costs up to 70 percent - thereby saving
. hundreds of dollars per year in pool heating costs!
Product Features:
. Lightweight, high performance insulation materials
. System utilizes existing pool pump to circulate water
. Swimming season extended up to 50% in cool climates
. Heats spa to toasty 104 degrees - maximum legal limit
. Warranty - 5 Year Limited Warranty
. Proper unit selection supported by customer service agent
. Installation supported by engineering tech assistance
. Toll-Free help line and/or online e-mail tech support
. Worldwide shipping available - delivered to your doorstep
. Lowest factory direct pricing available anywhere!
. Guaranteed.
Product Manufacturer: Jandy
IMPORTANT Notes:
. Use in high wind areas requires a High Wind Stack.
. Indoor installation requires Indoor Draft Hood.
. [Both purchased separately]
Note: All gas heaters are shipped directly from the factory and are non-returnable - all sales are final.
NOTICE: Southern CA and TX law requires Low Nox units.
Units delivered and installed in these areas must select Low Nox.
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