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Pentair | 460771 | 250K BTU MasterTemp ASME Natural Gas Heater – Commercial Grade, 120/240V

Pentair | 460771 | 250K BTU MasterTemp ASME Natural Gas Heater – Commercial Grade, 120/240V

The Pentair 460771 MasterTemp ASME 250K BTU Natural Gas Heater is a high-performance, ASME-certified unit designed for commercial and high-demand residential pools and spas. With a heavy-duty build, advanced efficiency, and rapid heat-up times, it’s a reliable heating solution for year-round operation.


Key Features

  • 250,000 BTU Heating Capacity – Suitable for large residential and commercial pool/spa applications

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

  • Natural Gas Operation – Delivers consistent and efficient heating

  • 120/240V Dual Voltage – Flexible installation options

  • Heavy-Duty Construction – Built to handle high-demand, continuous operation

  • Fast Heat-Up Times – Quickly reaches desired water temperature

  • Corrosion-Resistant Components – Prolongs heater life in harsh pool environments

  • Low NOx Emissions – Meets stringent environmental regulations

  • Digital Controls – Simple, precise temperature management

  • Weight – 144 lbs


Product Overview

The Pentair 460771 MasterTemp ASME 250K BTU Natural Gas Heater offers commercial-grade heating performance in a compact, highly efficient package. ASME certification ensures compliance with strict safety and performance requirements for commercial applications, making it ideal for hotels, fitness centers, municipal pools, and other high-demand installations.

This heater’s natural gas operation and heavy-duty components allow for reliable, continuous use, while the dual-voltage 120/240V capability makes installation more versatile. Its rapid heat-up design minimizes downtime, ensuring warm water is always ready when needed.

Built with corrosion-resistant materials, the 460771 is designed to withstand harsh pool environments while maintaining peak efficiency. Low NOx emissions meet air quality standards, making it an environmentally responsible choice without sacrificing performance.

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Frequently Asked Questions (FAQ)

Q: What is the Pentair 460771 MasterTemp ASME heater used for?
A: The Pentair 460771 is a 250,000 BTU natural gas pool and spa heater designed for commercial and high-demand residential heating applications.


Q: Is the Pentair 460771 ASME certified?
A: Yes. This model is ASME certified, making it suitable for commercial-grade and code-required pool heating installations.


Q: Is the Pentair 460771 natural gas or propane?
A: This model is designed for natural gas. Propane versions are available under different Pentair part numbers.


Q: What size pool is the Pentair 460771 best for?
A: This 250K BTU heater is best for medium-sized pools, spas, and commercial systems that need dependable heating without requiring a larger 400K BTU heater.


Q: Is the Pentair 460771 MasterTemp worth it?
A: Yes. It is a strong option for customers who need ASME-certified natural gas heating, low NOx performance, digital controls, and heavy-duty reliability.


Q: What voltage does the Pentair 460771 require?
A: This heater supports 120V or 240V operation, giving installers flexibility for different electrical setups.


Q: Does the Pentair 460771 require professional installation?
A: Yes. Professional installation is recommended due to natural gas sizing, electrical wiring, plumbing, venting, ASME requirements, and local code compliance.


Q: Can the Pentair 460771 replace my existing pool heater?
A: Yes. It can replace many existing natural gas pool heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, venting, and code requirements.


Q: Is the Pentair 460771 Low NOx compliant?
A: Yes. This heater is designed with Low NOx emissions to meet strict air quality standards in regulated areas.


Q: When should I choose the Pentair 460771 instead of a larger heater?
A: Choose this 250K BTU model if you need ASME-certified heating for a medium pool or spa without the faster heat-up power of a 400K BTU heater.



$1,558.20

Original: $4,451.99

-65%
Pentair | 460771 | 250K BTU MasterTemp ASME Natural Gas Heater – Commercial Grade, 120/240V

$4,451.99

$1,558.20
Product image 1

Description

The Pentair 460771 MasterTemp ASME 250K BTU Natural Gas Heater is a high-performance, ASME-certified unit designed for commercial and high-demand residential pools and spas. With a heavy-duty build, advanced efficiency, and rapid heat-up times, it’s a reliable heating solution for year-round operation.


Key Features

  • 250,000 BTU Heating Capacity – Suitable for large residential and commercial pool/spa applications

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

  • Natural Gas Operation – Delivers consistent and efficient heating

  • 120/240V Dual Voltage – Flexible installation options

  • Heavy-Duty Construction – Built to handle high-demand, continuous operation

  • Fast Heat-Up Times – Quickly reaches desired water temperature

  • Corrosion-Resistant Components – Prolongs heater life in harsh pool environments

  • Low NOx Emissions – Meets stringent environmental regulations

  • Digital Controls – Simple, precise temperature management

  • Weight – 144 lbs


Product Overview

The Pentair 460771 MasterTemp ASME 250K BTU Natural Gas Heater offers commercial-grade heating performance in a compact, highly efficient package. ASME certification ensures compliance with strict safety and performance requirements for commercial applications, making it ideal for hotels, fitness centers, municipal pools, and other high-demand installations.

This heater’s natural gas operation and heavy-duty components allow for reliable, continuous use, while the dual-voltage 120/240V capability makes installation more versatile. Its rapid heat-up design minimizes downtime, ensuring warm water is always ready when needed.

Built with corrosion-resistant materials, the 460771 is designed to withstand harsh pool environments while maintaining peak efficiency. Low NOx emissions meet air quality standards, making it an environmentally responsible choice without sacrificing performance.

────────────────────────────────────────

Frequently Asked Questions (FAQ)

Q: What is the Pentair 460771 MasterTemp ASME heater used for?
A: The Pentair 460771 is a 250,000 BTU natural gas pool and spa heater designed for commercial and high-demand residential heating applications.


Q: Is the Pentair 460771 ASME certified?
A: Yes. This model is ASME certified, making it suitable for commercial-grade and code-required pool heating installations.


Q: Is the Pentair 460771 natural gas or propane?
A: This model is designed for natural gas. Propane versions are available under different Pentair part numbers.


Q: What size pool is the Pentair 460771 best for?
A: This 250K BTU heater is best for medium-sized pools, spas, and commercial systems that need dependable heating without requiring a larger 400K BTU heater.


Q: Is the Pentair 460771 MasterTemp worth it?
A: Yes. It is a strong option for customers who need ASME-certified natural gas heating, low NOx performance, digital controls, and heavy-duty reliability.


Q: What voltage does the Pentair 460771 require?
A: This heater supports 120V or 240V operation, giving installers flexibility for different electrical setups.


Q: Does the Pentair 460771 require professional installation?
A: Yes. Professional installation is recommended due to natural gas sizing, electrical wiring, plumbing, venting, ASME requirements, and local code compliance.


Q: Can the Pentair 460771 replace my existing pool heater?
A: Yes. It can replace many existing natural gas pool heaters, but compatibility depends on gas supply, plumbing layout, electrical setup, venting, and code requirements.


Q: Is the Pentair 460771 Low NOx compliant?
A: Yes. This heater is designed with Low NOx emissions to meet strict air quality standards in regulated areas.


Q: When should I choose the Pentair 460771 instead of a larger heater?
A: Choose this 250K BTU model if you need ASME-certified heating for a medium pool or spa without the faster heat-up power of a 400K BTU heater.



Pentair | 460771 | 250K BTU MasterTemp ASME Natural Gas Heater – Commercial Grade, 120/240V | AquaTech Pools & Spa