Pentair MasterTemp 125 High-Performance Pool & Spa Heater – Propane (LP) | EC-462025

Pentair MasterTemp 125 High-Performance Pool & Spa Heater (Propane)

Efficient 125,000 BTU propane heater with 82% thermal efficiency, SKU EC-462025.

Features

• 125,000 BTU/hr powerful yet efficient heating.
• 82% thermal efficiency for lower propane costs.
• Lightweight (≈ 80–100 lb) and compact for easier installation.
• Rotating digital LCD controller for intuitive control and diagnostics.
• Premixed combustion for ultra-fast heat-up.
• Low-NOₓ emissions certified.
• 1½″ plumbing connections for common pool setups.

Description

The Pentair MasterTemp 125 (SKU EC-462025) propane heater is built to deliver reliable, high-performance heating for pools and spas up to ~15,000 gallons. Its advanced premixed combustion system achieves about 82% thermal efficiency, helping you save on fuel while maintaining strong performance. Housed in a UV- and corrosion-resistant shell, the unit is both lightweight and durable, simplifying installation and handling. The rotating digital LCD controller makes setting temperatures and diagnosing issues easy, and its direct spark (hot-surface) ignition provides rapid, reliable startup.

Pro Tip

For future flexibility, pair this heater with the MasterTemp 125 NG-to-LP Conversion Kit to switch fuels later.

Related Parts

• Pentair MasterTemp 125 Natural Gas Heater | EC-462024
• Pentair MasterTemp Heater 250,000 BTU Natural Gas Low Nox | EC-462026
• Pentair MasterTemp 400K BTU NG Heater | EC-462028
• MasterTemp 125 NG-to-LP Conversion Kit | 461063

Installation Tips

Must be installed by a qualified technician. Use appropriate propane gas line sizing and ensure proper venting per local codes. A carbon monoxide detector is strongly recommended for indoor installations.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.