Pentair Mastertemp Heater

The affordable MasterTemp 125 heater gives you the energy savings and advanced operating features that were previously only available from much larger heaters. With its revolutionary premixed gas combustion technology, it offers 82% thermal efficiency—the highest of any heater in its category. 

Featuring the first ever rotating, digital display offered in its class, the MasterTemp 125 heater provides valuable information conveniently and at the touch of a button.

Plus, its lightweight, compact design makes the MasterTemp 125 heater easier to install than any other heater in its class - reducing labor costs which saves you money.

• Available in Natural Gas or Propane
• Available in 125,000 BTUs to 400,000 BTUs
• High-performance, affordable heating with premium features
• 82% energy efficiency is highest in its class
• 1.5-in. 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, easy-to-use for programming and monitoring
  
• 120v electrical.
  
• Lightweight - easy to handle and ship.
  
• Certified for Direct Air Intake with PVC Pipe.
• Certified for low-NOx emissions
  
• Certified for outdoor and indoor-vented installations

Specifications

These installations instructions are designed for use by qualified personnel only, trained especially for installation of this type of heating equipment and related components. Some states require installation and repair by licensed personnel. If this applies in your area, be sure your contractor bears the appropriate license.

• MODEL #: 461059 Natural Gas
• PRODUCT: MasterTemp 125 High Performance Heater
  
• DESCRIPTION: Gas Type Natural, with cord, BTU (000's) 125-400, Carton Qty 1, Carton Wt 100

• MODEL #: 461061 Propane Gas
• PRODUCT: MasterTemp 125 High Performance Heater
  
• DESCRIPTION: Gas Type Propane, with cord, BTU (000's) 125-400, Carton Qty 1, Carton Wt 100

Pentair MasterTemp heaters now have a 1-year warranty when purchased online. Warranty is extended to 3 years when purchased in store. 

Warranty Card

Manual 

ECO Select Brand Products Brochure 

MasterTemp Heater Burner System

MasterTemp Heater Electrical System

MasterTemp Heater Water System