Pentair | 461020 | MasterTemp 250K BTU HD Natural Gas Pool Heater – ASME Certified Commercial Grade

The Pentair 461020 MasterTemp 250K BTU HD Natural Gas Pool Heater is a high-performance, ASME-certified heating solution built for commercial pools and spas. Its heavy-duty design, energy efficiency, and rapid heat-up capabilities make it ideal for demanding aquatic facilities.

Key Features

• 250,000 BTU Heating Capacity – Delivers powerful performance for commercial and large residential pools/spas

• ASME Certified – Meets rigorous commercial safety and performance standards

• Heavy-Duty (HD) Construction – Designed for continuous, high-demand operation

• Natural Gas Operation – Reliable, efficient heating source for pools and spas

• Energy-Efficient Design – Reduces fuel consumption and operating costs

• Fast Heat-Up – Brings water to target temperature quickly

• Digital Controls – User-friendly interface for precise temperature adjustments

• Corrosion-Resistant Components – Built for long-term durability in harsh environments

• Low NOx Emissions – Meets strict environmental standards

Product Overview

The Pentair 461020 MasterTemp 250K BTU HD Natural Gas Pool Heater is engineered for heavy-duty, commercial-grade performance. ASME certification ensures it meets the highest safety and reliability requirements for public and high-demand aquatic applications. Its powerful heating capacity and high thermal efficiency allow for rapid heat-up times, keeping water at the perfect temperature with minimal energy waste.

Constructed with heavy-duty, corrosion-resistant materials, the 461020 is built to withstand the rigors of continuous operation in challenging pool environments. Intuitive digital controls make it simple to adjust and monitor temperature, while low NOx emissions meet environmental compliance standards.

Perfect for hotels, community pools, fitness centers, and large private pools, this heater delivers a combination of power, efficiency, and durability that professionals trust.