The Pentair 400,000 BTU 84% Thermal Efficiency Natural Gas Pool Heater MasterTemp Series (460736) is a high-performance pool and spa heating solution designed to deliver powerful, reliable, and efficient temperature control for large residential swimming pools and spa applications. Built as part of the trusted Pentair MasterTemp Series, this natural gas heater combines advanced combustion technology, durable construction, and user-friendly operation to provide dependable heating performance.

The Pentair MasterTemp 460736 delivers 400,000 BTU heating capacity with 84% thermal efficiency, making it an ideal choice for large pool systems requiring fast heat-up times and consistent temperature maintenance. Its compact design, quiet operation, and reliable natural gas heating system help extend the swimming season while maintaining comfortable water temperatures.

Key Features

• 400,000 BTU Heating Capacity – Provides powerful heating performance for large pools and spas
• 84% Thermal Efficiency – Helps deliver efficient natural gas heating operation
• Natural Gas Operation – Provides reliable and consistent heat output
• MasterTemp Series Design – Engineered for dependable pool and spa heating performance
• Fast Heat Recovery – Quickly raises and maintains desired water temperatures
• Compact Installation Design – Allows flexible placement in pool equipment areas
• Quiet Operation – Designed for reduced operating noise during operation
• Durable Construction – Built for long-term outdoor pool environments

Product Specifications

• Brand: Pentair
• Series: MasterTemp Series
• Model: 460736
• Product Type: Natural Gas Pool Heater
• Heating Capacity: 400,000 BTU
• Efficiency Rating: 84% Thermal Efficiency
• Fuel Type: Natural Gas
• Application: Residential Swimming Pools & Spas
• Heater Type: Gas Pool Heater
• Installation Type: Outdoor Pool Equipment

Benefits

• Provides powerful heating performance for large pool systems
• Helps extend the swimming season with reliable temperature control
• Maintains consistent and comfortable pool water temperatures
• Natural gas operation delivers dependable heating capability
• Helps improve energy efficiency with advanced thermal design
• Designed for reliable long-term pool heating performance

Compatibility & Installation

The Pentair MasterTemp 460736 Natural Gas Pool Heater is designed for:

• Large residential swimming pools
• Spas and hot tubs
• Pool heating upgrades
• New pool installations
• Replacement heater applications

Installation considerations:

• Confirm proper heater sizing based on pool volume, climate, and heating requirements
• Verify natural gas supply and connection requirements
• Ensure proper ventilation and installation clearances
• Maintain recommended water chemistry for optimal heater performance
• Follow manufacturer installation guidelines and local safety codes
• Professional pool equipment installation is recommended

Frequently Asked Questions

What is the heating capacity of the Pentair 460736?
The heater provides 400,000 BTU of heating capacity for large pool and spa applications.

What fuel type does this heater use?
This model operates using natural gas.

What is the efficiency rating of the Pentair MasterTemp 460736?
The heater features 84% thermal efficiency.

What series does this heater belong to?
This model is part of the Pentair MasterTemp Series.

What applications is this heater suitable for?
It is designed for large residential swimming pools, spas, and pool heating systems.