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Pentair Pool Heaters

  Pentair Pool Heat Pumps   The ultra-high performance in a compact, quiet, and eco-friendly design.  MasterTemp Pentair pool heaters offer all the efficiency, convenience, and reliability features you want in a pool heater, plus a lot more fast heat-up, compact design, super quiet operation, easy to use, and eco-friendly.

An Eco Select Choice: MasterTemp pool heaters by Pentair offer best-in-class energy efficiency. Plus, they are certified for low NOx emissions, making them eco-friendly favorites.


Heats up fast so no long waits before enjoying your pool or spa.
Best-in-class energy efficiency
Manual gas shut-off when service is required
Eco-friendly MasterTemp is certified for low NOX emission and outperforms industry standards.
Rotating digital display allows for easy viewing.
Tough, rustproof exterior handles the heat and weathers the elements.
Copper Heat Exchanger


The MasterTemp 125 heater has earned the Eco Select brand distinction as one of the “greenest” and most efficient choices from Pentair. Eco Select products are designed to help you save energy, conserve water, eliminate or reduce noise, or otherwise contribute to a more environmentally responsible equipment system.

MasterTemp 125 Pool Heater Features

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 15,000 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.
  Pentair Master Temp Pool Heater
  Pentair MasterTemp 125 Gas Pool Heater
MasterTemp 125
    Energy Efficient Gas Pool Heaters by Pentair      

Pentair Pool Heaters | Master Temp Heater Series

  Model   Specifications Price Shipping Order
  MasterTemp 125, 461059   125,000 BTU LO-NOX Natural Gas $1,275.00 *Free Shipping
MasterTemp 125, 461061 125,000 BTU LO-NOX Propane $1,275.00 *Free Shipping
  MasterTemp 460730   200,000 LO-NOX Natural Gas $1,909.00 *Free Shipping
  MasterTemp 460731   200,000 LO-NOX Propane
*Free Shipping
  MasterTemp 460732   250,000 BTU LO-NOX Natural Gas $1,936.00 *Free Shipping
  MasterTemp 460733   250,000 BTU LO-NOX Propane $1,936.00 *Free Shipping
  MasterTemp 460734   300,000 BTU LO-NOX Natural Gas $2,099.00 *Free Shipping
  MasterTemp 460735   300,000 BTU LO-NOX Propane $2,099.00 *Free Shipping
  MasterTemp 460736   400,000 BTU LO-NOX Natural Gas $2,291.00 *Free Shipping
  MasterTemp 460737   400,000 BTU LO-NOX Propane $2,291.00 *Free Shipping
  ASME UNITS          
  MasterTemp 460775   ASME 400,000 BTU Natural Gas $3,020.00 *Free Shipping
  MasterTemp 460776   ASME 400,000 BTU Propane $3,020.00 *Free Shipping
  * Free Shipping in the U.S. Exclusions Apply.  See Details.
  Specifications & Dimensions
  Model   BTU Dimensions Weight Plumbing Diameter Emissions Heat Exchanger
  461059 / 461061   125,000 31.5L" x 21W" x 23H" 80 lbs 1-1/2" low NOx Copper 
460732 / 460733 250,000 21L x 21W x 28H 133 lbs 1-1/2" low NOx
460736 / 460737 400,000 21L x 21W x 28H 136 lbs 1-1/2" low NOx
  460775 / 460776   400,000 ASME 21L x 21W x 28H 149 lbs 1-1/2" low NOx

Warranty periods by product line if professionally installed only.  If not professionally installed the warranty is 60 days from date of purchase.

2-years parts & labor professionally installed.

Pentair MasterTemp 125 Brochure
Pentair MasterTemp 125 Owners Manual

Pentair MasterTemp Warranty
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