The Pentair 400,000 BTU 84% Thermal Efficiency Natural Gas Pool Heater MasterTemp HD Series (460805) is a high-performance pool heating solution designed to provide fast, reliable, and efficient temperature control for residential and commercial swimming pools. Part of the Pentair MasterTemp HD Series, this heavy-duty natural gas heater delivers powerful heating performance with durable construction and advanced control features for demanding pool environments.

The Pentair 460805 MasterTemp HD provides 400,000 BTU heating capacity with 84% thermal efficiency, making it an ideal choice for larger pools requiring dependable heat output and extended swimming seasons. Built with corrosion-resistant components and user-friendly controls, this heater delivers consistent performance while supporting long-term outdoor operation.

Key Features

• 400,000 BTU Heating Capacity – Provides powerful heating performance for large residential and commercial pools
• 84% Thermal Efficiency – Designed for effective energy use and reliable heat transfer
• Natural Gas Operation – Provides fast and dependable pool heating performance
• MasterTemp HD Series Design – Built for heavy-duty pool heating applications
• Durable Construction – Designed to withstand outdoor pool environments
• Advanced Digital Controls – Allows convenient temperature adjustment and monitoring
• Corrosion-Resistant Heat Exchanger – Helps provide long-lasting performance
• Fast Heat-Up Performance – Quickly raises pool temperatures for improved comfort
• Automation Compatible – Designed to integrate with compatible Pentair automation systems

Product Specifications

• Brand: Pentair
• Series: MasterTemp HD Series
• Model: 460805
• Product Type: Natural Gas Pool Heater
• Heating Capacity: 400,000 BTU
• Thermal Efficiency: 84%
• Fuel Type: Natural Gas
• Application: Residential and Commercial Swimming Pools
• Control Type: Digital Control Interface
• Installation Type: Outdoor Pool Equipment

Benefits

• Provides powerful heating for large pool applications
• Extends the swimming season by maintaining comfortable water temperatures
• Delivers reliable performance with natural gas heating technology
• Helps maintain consistent pool temperatures
• Designed for demanding residential and commercial environments
• Durable construction supports long-term outdoor use
• Compatible with modern pool automation systems

Compatibility & Installation

The Pentair MasterTemp HD 460805 Pool Heater is designed for:

• Large residential swimming pools
• Commercial pool applications
• Pool heating upgrades
• New pool construction projects
• Automated pool equipment systems

Installation considerations:

• Verify natural gas supply requirements before installation
• Confirm proper ventilation and exhaust clearances
• Ensure gas, electrical, and plumbing connections meet local codes
• Maintain proper water flow through the heater
• Follow manufacturer installation guidelines
• Professional pool equipment installation is recommended

Frequently Asked Questions

What is the heating capacity of the Pentair 460805?
The heater provides 400,000 BTU of heating output.

What fuel type does this pool heater use?
The Pentair 460805 operates using natural gas.

What is the efficiency rating of this heater?
This model has an 84% thermal efficiency rating.

What series is the Pentair 460805 part of?
It is part of the Pentair MasterTemp HD Series.

Is this heater suitable for large pools?
Yes. The 400,000 BTU capacity makes it suitable for large residential and commercial pool applications.