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By Pentair Pool Products


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Model # 461059

Alternate Part #'s PEN461059

Product Description

MASTERTEMP® 125 HIGH PERFORMANCE HEATER 

Introducing! The High-Efficiency, High Technology Heater for Bodies of Water up to 15,000 gallons  

  

The remarkably affordable new MasterTemp 125 heater gives you the energy savings and advanced operating features that were only available from much larger heaters. With its revolutionary pre-mixed gas combustion technology, the MasterTemp 125 heater offers 82% thermal efficiency - the highest of any heater in its category. Its 1-1/2" plumbing is ideal for smaller applications, including aboveground pools, spas and inground pools up to 15,000 gallons. 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. 

MasterTemp 125 heater features include:

  • 82% energy efficiency is highest in its class.
  • 1-1/2” plumbing - ideal for smaller bodies of water up to 15,000 gallons.
  • High-performance, affordable heating with premium features.
  • Pre-mixed combustion technology for ultra-fast heat-up.
  • Easy-to-use, digitial display makes programming and monitoring a cinch.
  • 125,000 BTU rating.
  • Available in natural gas or propane gas.
  • 120/240 V electrical.
  • Lightweight - easy to handle and ship.
  • Certified for low NOx emissions.
  • Certified for Direct Air Intake with PVC Pipe.
  • 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 state, be sure your contractor bears the appropriate license. 

Product Specifications

BTU:
125,000 BTU
Elevation:
0-9,000 ft.
Heat Exchanger:
Copper
Special Feature:
Standard Emission
Ignition:
Electronic
Manufacturer:
Pentair
Heater Type:
Natural Gas
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?     Asked on 8/29/2014by Guest

What is the warranty for this heater?
 Reply

A  Answered on 8/29/2014 by InyoPools Product Specialist Patrick P.

The heater ( 461059 ) carries a 2 year warranty as long as the unit is installed by a Qualified Installer and registered within 60 days. Otherwise the warranty is 60 days.
 Reply


?     Asked on 3/18/2015by Judy

what size of gas heater would I need for 27 round above ground pool.
 Reply

A  Answered on 3/19/2015 by InyoPools Product Specialist Robert M.

Hello Judy - The correct size for a 27' pool would be a 250,000 BTU model. Pentair model 460732 is the 250K BTU NG heater.
 Reply


?     Asked on 3/30/2015by john

Could you please explain what do you define as a qualified installer
 Reply

A  Answered on 3/30/2015 by InyoPools Product Specialist Wes B.

Hi John, Manufactures consider a licensed and ensured pool professional that you pay a qualified installer. Also for heaters and heat pumps a HVAC technician would also be considered a qualified installer, The local homeowner or the jack of all trades who does the repairs on the side would not be considered a qualified installer.
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?     Asked on 5/28/2015by Terry Concannon

My pool is 16 x 32' &salt chlorinated. I am considering a heater that can raise temp by 10 degrees. Will this heater work?
 Reply

A  Answered on 5/28/2015 by InyoPools Product Specialist Lennox H.

Terry, Base on your pool surface area a 125K heater will not be the correct size. You'll need at least the MasterTemp  200,000 BTU, NG w/ Electric Ignition, Low NOx Heater.
 Reply


?     Asked on 5/31/2015by Mike

I have 15' x 30' x 52". What size heater would I need for this size pool ?
 Reply

A  Answered on 5/31/2015 by InyoPools Product Specialist Alex V.

Mike, The 125k btu Pentair Mastertemp would be a good size for your pool.
 Reply