Solar Direct is dedicated to increasing our customer's awareness of
sustainable and renewable technology by providing an educational, yet highly engaging internet venue,
where they can discover how green alternatives can impact not only their lives, but the world future
generations will inherit! Click here first to
begin your sustainable living learning adventure! Learn the step-by-step details of how and why sustainable
and renewable technology works, and the science behind the functioning of each alternative energy process. Solar Direct offers unsurpassed, highly-personalized
product selection assistance, with experienced professionals providing toll free support -
creating a truly inspired purchasing experience for our customers. Click here next to start
the selection process, then use online tools to decide your proper type of technology and its matching product.
Product Selection Assistants are standing by to help you with toll free support. Solar Direct hosts the Energy
SuperMarket website, the Internet's top-ranked shopping destination for renewable energy technology. Enjoy
a secure shopping for all your alternative energy needs. Solar Direct offers thousands of green, sustainable
and renewable products, combined with toll free Product Selection Assistants dedicated to providing a quality
purchasing experience for all consumers. Click here
last to finish your alternative energy adventure! The Energy SuperMarket website provides the
most advanced, real world authoritative, user-friendly shopping destination for renewable energy
technology today.

Pentair MasterTemp Gas Pool Heater, Certified for Low Nox emission

NOTICE:  Southern CA and TX law requires Low Nox units. 
Low Nox heaters are required when installing a new Natural Gas heater in Texas and the following California Counties - Ventura, Los Angeles, Orange, Riverside, and San Bernardino. CA and TX residents must purchase the Low-Nox model.

The MasterTemp is certified for Low Nox emission.

Pentair MasterTemp Gas Pool Heater, certified for Low Nox emission
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 


MasterTemp – manufactured by Pentair, now offers the most advanced heater available!!!

The Energy SuperMarket offers the lowest on-line factory direct pricing available! Guaranteed.

Pentair – A global technology and development company - Pentair is now the premier manufacturer of swimming pool and spa systems, and a world leader in water technology.

Available in both Natural Gas or Liquid Propane

MasterTemp delivers progressive advances in energy efficiency, smart electronics and innovative design. Its specially designed fueling and ignition process warms pool water faster to that oh-so-right temperature.

  • Best-in-class efficiency – MasterTemp maintains a superior energy efficiency rating to keep annual utility costs at a minimum.
  • Eco-friendly – Certified for low NOx emissions, the MasterTemp outperforms industry standards.
  • Forever rustproof – A tough Dura-Glas exterior handles the heat and weathers the elements.
  • User-friendly controls – The top-mounted, large format digital display allows for easy viewing and rotates to six positions for easier operation.
  • Self-diagnostics – Ultra user-friendly indicator lights pinpoint heater and system conditions. Jump into savings and warmer pool water with the new MasterTemp pool heater.


HELP » Contact Customer Support
• Toll-Free help line offering unit sizing support
• Online e-mail technical and installation support
• Brand and cost-of-operation comparisons

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 WarningDo 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 !!!

IMPORTANT Notes:

  • Indoor installation requires Indoor Draft Hood.
  • Use in high wind areas requires a High Wind Stack.
  • [Both items purchased separately; call for details]

IMPORTANT Delivery Note:

  • Delivery truck driver will require handling assistance to be provided by purchaser when unloading unit from truck. Liftgate service, where available, may require an additional fee payable directly to the freight company.

Function: Warms pool/spa to 80-90° plus extends season
Benefits: Maximizes your pool/spa investment!

Product Features:
No matter what you’re seeking in your swimming pool heater, MasterTemp measures up. Compare this list of features to any other and you’ll see why MasterTemp is setting a new standard for total value.

  • Very compact design for such a high performance heater allows for smaller overall equipment pads that won’t intrude on your poolscape.

  • A fully pre-mixed system with a highly efficient air and gas mixture lets MasterTemp heat up fast. No long waits before enjoying your pool or spa.

  • Compare energy efficiency ratings and you’ll find MasterTemp at the top of the list. Comfort and economy can go together.

  • With a hot surface ignition (no pilot light) and pushbutton, digital controls MasterTemp is as easy to operate as your home heating
    system. Plus, user-friendly indicator lights make system operation and monitoring a snap.

  • The easy-to-view, rotating digital display places controls front and center, no matter how MasterTemp is positioned on your equipment pad.

  • MasterTemp is engineered for super-quiet operation and won’t intrude on your poolside leisure time.

  • A tough, rustproof composite exterior handles the heat and weathers the elements.

  • Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards.

  • Safe operation is assured through a series of features, including; a water pressure switch that senses the pump is running to prevent overheating; high limit switches assure the heater turns off if water temperature exceeds factory set limits; manual gas shut-off when service is required; stack flue sensor also guards against overheating.

  • Approved for installation on combustible surfaces.

Product Specifications:

MasterTemp Specifications
Model BTU Input Approx. ship weight
250K 250,000 133 lbs
400K 400,000 136 lbs

View » Literature provided below in PDF format:

Pool Gas Heater Sizing

°F Temp.
Change
24 Hrs.
Heater Size
Heater Size
Model 200
Model 250
Model 300
Model 400
Model 200
Model 250
Model 300
Model 400
Pool Capacity in Gallons
Pool Surface Area
in Sq. Ft. at 5.5' Depth
5
97383
121729
146075
194766
2364
2955
3546
4727
10
48691
60864
73037
97383
1182
1478
1773
2364
15
32461
40576
48692
64922
788
985
1182
1576
20
24346
30433
36519
48691
591
739
887
1182
25
19477
24346
29216
38953
473
591
710
945
30
16230
20288
24345
32461
394
493
591
788
35
13912
17390
20868
27824
338
423
507
675
40
12173
15216
18260
24346
295
369
443
591


Spa Gas Heater Sizing

Model  
Spa Volume (Gallons)
200
300
400
500
600
700
800
900
1000
Minutes for 30°F Temperature Rise
(Heater Input in 1000 BTU/HR)
200
18.0
27.0
35.0
44.0
53.0
62.0
71.0
80.0
89.0
250
15.8
23.5
30.8
38.5
46.5
54.3
62.0
70.0
77.8
300
13.5
20.0
26.5
33.0
40.0
46.5
53.0
60.0
66.5
400
9.0
13.0
18.0
22.0
27.0
31.0
35.0
40.0
44.0

Product Manufacturer: Pentair Pool Products, Inc.


*Due to ongoing price changes, a quote is required at this time for the following states: AK, HI, MT, WY, DC.

IMPORTANT NOTE: The average skilled handy person can easily manage a basic unit change-out or new installation. 
For installations which require new gas and/or electrical service, hiring a contractor is recommended.

Note: All gas heaters are shipped directly from the factory and are non-returnable - all sales are final.

Delivery Information: Gas heaters are packaged and shipped to fulfill each customer’s specific requirements. Please allow 3 to 14 business days for orders to be processed and the unit to be boxed and secured to a shipping pallet, plus standard transportation delivery time.

IMPORTANT Delivery Note:
• Delivery truck driver will require handling assistance to be provided by purchaser when unloading unit from truck. Liftgate service available at an additional fee.


Purchase Online
Gas Heaters for
Inground Pools

RayPak R Series
RayPak LowNOx
MasterTemp
Hayward H-Series
Jandy Laars Hi-E2
Jandy Laars LX/LT
Max-E-Therm

Gas Heaters for AboveGrnd Pools

Pentair Minimax
Hayward H-Series



Sizing a Gas Heater


Other Products

Solar Pool Heaters
Heat Pump Heater

Compare Options

Compare solar pool heaters, heat pumps and gas heaters in this side-by-side comparison chart.
Comparison Chart

Learn How To:

Extend your swimming season

  Solar Direct    
  Bringing Renewable Technology Down to Earth!   Copyright Notice
© 1986-2016 Solar Direct
All Rights Reserved