Pentair | 461000 | MasterTemp 200K BTU ASME Pool Heater, Natural Gas – High-Performance, 120/240V

In stock
SKU: 461000
Length: 24 in Width: 36 in Height: 30 in

The Pentair 461000 MasterTemp ASME Pool Heater delivers 200,000 BTU of natural gas heating power for commercial or residential pools. ASME-certified, 120/240V operation, and built for durability and efficiency.


Key Features

  • 200,000 BTU Heating Output – Fast, efficient heating for mid-sized pools and spas

  • ASME Certified – Meets commercial-grade safety and construction standards

  • Natural Gas Operation – Consistent, reliable fuel source for continuous heating

  • 120/240V Compatible – Flexible power input for a wide range of installations

  • Compact Design – Saves space on equipment pads while providing powerful performance

  • Durable Construction – Built to handle demanding conditions with long service life

  • Digital Controls – Simple, accurate temperature management and system diagnostics


Product Overview

The Pentair 461000 MasterTemp ASME 200K BTU Natural Gas Heater is engineered for commercial-grade performance with the flexibility to suit high-end residential installations. With 200,000 BTUs of heating capacity and ASME certification, it meets strict safety and performance requirements, making it a reliable choice for regulated aquatic environments.

Its natural gas fuel source offers efficient, consistent operation, while compatibility with both 120V and 240V power supplies ensures adaptable installation across a variety of systems. Weighing 142 lbs and housed in a compact design, the heater fits easily into tight equipment spaces without compromising on output.

The digital control panel provides precise temperature adjustments and real-time diagnostics, allowing for easy monitoring and maintenance. Whether you're outfitting a commercial property or upgrading a premium residential pool system, the Pentair 461000 delivers high-performance heating, robust construction, and dependable results.