Pentair | 461112 | ETi 250 High-Efficiency 250K BTU Natural Gas Pool Heater – Commercial Grade

The Pentair 461112 ETi 250 High-Efficiency Pool Heater is a 250,000 BTU natural gas heating solution engineered for commercial-grade performance and efficiency. With a 96% thermal efficiency rating, it delivers superior heating power while reducing operating costs, making it ideal for commercial pools and spas.

Key Features

• 250,000 BTU natural gas pool heater

• Commercial-grade design for high-demand environments

• 96% thermal efficiency – one of the highest in the industry

• Titanium heat exchanger for maximum corrosion resistance

• Certified for indoor and outdoor installations

• Ultra-quiet operation for minimal disturbance

• Digital controls for precise temperature management

• Low NOx emissions – meets strict air quality standards

• Built for long service life with heavy-duty components

• ASME certified for commercial use

Product Overview

The Pentair 461112 ETi 250 High-Efficiency Pool Heater is designed to meet the rigorous demands of commercial aquatic facilities while delivering exceptional energy efficiency. With an industry-leading 96% thermal efficiency rating, it provides powerful and consistent heating while helping to lower fuel costs.

A titanium heat exchanger offers unmatched resistance to corrosion, even in harsh pool water conditions, ensuring long-term reliability. The ETi 250 is ASME certified and suitable for both indoor and outdoor installations, giving commercial operators flexible placement options. Its ultra-quiet operation, advanced digital controls, and low NOx emissions make it a safe, efficient, and environmentally responsible choice for commercial pool and spa heating.

Built with heavy-duty, commercial-grade components, the Pentair 461112 ETi 250 is engineered for durability, performance, and operational savings—making it one of the most advanced pool heaters on the market.