Pentair MasterTemp 250 - Natural Gas Pool Heater

Pentair MasterTemp 250 - Natural Gas Pool Heater


  Pentair MasterTemp 250  250,000 BTU Pentair MasterTemp Natural Gas Pool Heater. Ideal for In and Above Ground Pools!     MasterTemp 250  Manufactured by Pentair, Northern Lig Read More
  • Shipping Weight: 300kgs
  • Manufactured by: Pentair
1 Units in Stock

Item Description


Pentair MasterTemp 250

 250,000 BTU

Pentair MasterTemp Natural Gas Pool Heater.

Ideal for In and Above Ground Pools!


Pentair MasterTemp 250


MasterTemp 250 

Manufactured by Pentair, Northern Lights Group now offers the most advanced natural gas heater available on the market. 

This heater is a compact, self-contained unit with an output of 250,000 BTU's. With a thermal efficiency rating of 82%, the MasterTemp 250 is the most efficient heater in it's class. This high efficiency rating keeps operating cost low by directing more of the heat it produces into your pool or hot tub instead of the outside air.  Recommended for heating up to 40,000 Gallon pools.

MasterTemp features a patented thermostatic bypass valve which minimizes condensation-related calcium scaling and corrosion. Minimizing condensation-related calcium buildup maintains heat transfer efficiency, quietness, and dependable operation. This heater's design includes a bronze header system that prolongs life, and union connection fittings for fast draining and easy winterization.

Featuring the first ever rotating digital display offered in its class, the MasterTemp 250's display provides valuable information at the touch of a button. This heater's lightweight and compact design makes the MasterTemp 250 heater the easiest to install in its class, which reduces install time and labor costs.

This natural gas heater is equipped with a direct spark ignition for automatic control, and designed to be connected to either a 230 volt or 120 volt 60 Hz power source (field changeable).

The MasterTemp 250 is an Eco Select Product!  Eco Select products are designed to save energy, conserve water and reduce noise resulting in your pool or hot tub being more enviromentally friendly.


• 82% energy efficiency is highest in its class.

• High-performance, affordable heating with premium features.

• 1-1/2" plumbing – ideal for smaller bodies of water up to 40,000 gallons.

• Pre-mixed combustion technology for ultra-fast heat-up.

• Rotating digital display - the first in its price category - provides fast, easy access for programming and monitoring.

• Certified for low NOx emissions.

• Certified for outdoor and indoor - vented installations.


250,000 BTU rating

1 1/2" plumbing connections

Compact L31.5" x W21" x H23"

Weight 100 Lbs

120/240 VAC

3/4" gas line up to 50 feet from source


Installation Diagram

natural gas pool heater 250


natural gas pool heater


Please call us any time for more information 1(800) 759-8990!


natural gas pool heater 250


Payment Details

We accept PayPal and Credit card (Visa or Mastercard).  If you are ordering multiple units and part, please call us to see if we can save you shipping cost for multiple item orders.

 No taxes to US residence!

Shiping and Handling

Please allow 4-6 days for shipping via UPS Ground to USA or Canada.  You will be emailed a tracking number to the email address you provide us.  Expedited Shipping services are available!


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