Top 10 Pool Natural Gas Heaters
for December 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater, Natural Gas, 400,000 BTU, Heavy Duty

Pentair 460805 MasterTemp High Performance Eco-Friendly Pool Heater

Natural Gas, 400, 000 BTU, Heavy Duty

by Pentair
What We like

MasterTemp is certified for low NOx emission and outperforms industry standards

more infoarrow_drop_down

Product Features

  • Heats up fast so no long waits before enjoying your pool or spa
  • Best-in-class energy efficiency. Tough, rustproof exterior handles the heat and weathers the elements
  • Manual gas shut-off when service is required

Manual gas shut-off when service is required Heats up fast so no long waits before enjoying your pool or spa Best-in-class energy efficiency. tough, rustproof exterior handles the heat and weathers the elements

2
9.6
SCORE
Hayward W3H400FDN Universal H-Series 400,000 BTU Pool and Spa Heater, Natural Gas

Hayward W3H400FDN Universal H-Series 400

000 BTU Pool and Spa Heater, Natural Gas

by Hayward
What We like

Front-panel-only access and intuitive control pad provide easy operation, service and maintenance

more infoarrow_drop_down

Product Features

  • A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry
  • The Hayward Universal H-Series 400,000 BTU Natural Gas Heater delivers premium heating performance for years of reliable, long-lasting comfort
  • Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings
  • Low NOx emissions meet air quality standards in all low-NOx areas, ensuring low environmental impact

The Hayward universal h-series 400,000 btu natural gas heater delivers premium heating performance for years of reliable, long-lasting comfort Low nox emissions meet air quality standards in all low-nox areas, ensuring low environmental impact A durable cupro nickel heat exchanger offers exceptional protection against corrosion and premature failure caused by unbalanced water chemistry Industry-leading hydraulic design reduces circulation pump run time to provide major energy savings

3
9.3
SCORE
Hayward H300FDN Universal H-Series 300,000 BTU Pool and Spa Heater, Natural Gas, Low Nox

Hayward H300FDN Universal H-Series 300

000 BTU Pool and Spa Heater, Natural Gas, Low Nox

by Hayward
What We like

Hayward Universal design for easy and versatile professional installation

more infoarrow_drop_down

Product Features

  • Patented polymer header and bypass valve design for the ultimate in hydraulic efficiency and reliability
  • Environmentally responsible low NOx emissions to meet or exceed air quality emission standards in all Low NOx regions
  • Standard Cupro nickel heat exchanger for superior value and reliability

Standard cupro nickel heat exchanger for superior value and reliability Patented polymer header and bypass valve design for the ultimate in hydraulic efficiency and reliability Environmentally responsible low nox emissions to meet or exceed air quality emission standards in all low nox regions

4
9
SCORE
Raypak 266,000 BTU Natural Gas Millivolt Pool Heater

Raypak 266

000 BTU Natural Gas Millivolt Pool Heater

by Raypak
What We like

Unitherm governor prevents condensation

more infoarrow_drop_down

Product Features

  • High-wind resistance
  • Corrosion-resistant headers
  • Small footprint
  • PVC plumbing directly to the heater

Pvc plumbing directly to the heater High-wind resistance Corrosion-resistant headers Small footprint

5
8.7
SCORE
Raypak PR266AEN 266K BTU Electonic Natural Gas Swimming Pool Heater | 009217

Raypak PR266AEN 266K BTU Electonic Natural Gas Swimming Pool Heater

009217

by Raypak
What We like

Plumb directly from provided 2" PVC threaded union

more infoarrow_drop_down

Product Features

  • Capron resin headers prevent rust stains from harming pool surface
  • Digital control with liquid crystal display (LCD) for temperature selection and heater settings
  • High efficiency, Small footprint
  • Smart microprocessor controls diagnostic read out and continuously monitors operating status

Digital control with liquid crystal display (lcd) for temperature selection and heater settings Smart microprocessor controls diagnostic read out and continuously monitors operating status Capron resin headers prevent rust stains from harming pool surface High efficiency, small footprint

6
8.7
SCORE
Raypak 406,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

Raypak 406

000 BTU Digital Electronic Ignition Natural Gas Pool Heater

by Raypak
What We like

LCD digital display provides accurate temperature

more infoarrow_drop_down

Product Features

  • Monitors operational status as well as service diagnostics
  • High-wind resistance
  • Corrosion-resistant headers
  • Unitherm governor prevents condensation

Corrosion-resistant headers Monitors operational status as well as service diagnostics High-wind resistance Unitherm governor prevents condensation

7
8.2
SCORE
Raypak Millivolt Natural Swimming Pool Gas Heater - 336,000 BTU

Raypak Millivolt Natural Swimming Pool Gas Heater

336,000 BTU

by Raypak
What We like

Available with digital electronic ignition, or as a millivolt design.

more infoarrow_drop_down

Product Features

  • Designed to draft naturally in outdoor installations with its exclusive low-profile design.
  • Has a polyester-coated, non-corrosive cabinet that is more durable than solventborne- and waterborne-coated metal cabinets.
  • Energy-smart Raypak heaters consistently achieve the highest efficiency ratings.
  • BTU: 336,000

Btu: 336,000 Energy-smart Raypak heaters consistently achieve the highest efficiency ratings. Has a polyester-coated, non-corrosive cabinet that is more durable than solventborne- and waterborne-coated metal cabinets. Designed to draft naturally in outdoor installations with its exclusive low-profile design.

8
8.2
SCORE
Raypak 105,000 BTU Swimming Pool and Spa Heater - Natural Gas

Raypak 105,000 BTU Swimming Pool and Spa Heater

Natural Gas

by Raypak, Inc.
What We like

Designed for easy installation on above ground pools, smaller in-ground pools, and spas

more infoarrow_drop_down

Product Features

  • Standard 120v 3-prong power cord or can be easily converted to 220v
  • Simple analog thermostat dial for accurate pool and spa temperature setting
  • Gas connection is 1/2" NPT and measures 4 5/8" off the ground level
  • Unit measures 27.5" H x 12" wide X 24" Deep

Gas connection is 1/2" npt and measures 4 5/8" off the ground level Unit measures 27.5" h x 12" wide x 24" deep Simple analog thermostat dial for accurate pool and spa temperature setting Standard 120v 3-prong power cord or can be easily converted to 220v

9
8.2
SCORE
Raypak PR206AEN 206K BTU Electronic Ignition Natural Gas Swimming Pool Heater

Raypak PR206AEN 206K BTU Electronic Ignition Natural Gas Swimming Pool Heater

by Raypak
What We like

Plumb directly from provided 2" PVC threaded union

more infoarrow_drop_down

Product Features

  • Digital control with liquid crystal display (LCD) for temperature selection and heater settings
  • High efficiency, Small footprint
  • Capron resin headers prevent rust stains from harming pool surface
  • Smart microprocessor controls diagnostic read out and continuously monitors operating status

High efficiency, small footprint Capron resin headers prevent rust stains from harming pool surface Smart microprocessor controls diagnostic read out and continuously monitors operating status Digital control with liquid crystal display (lcd) for temperature selection and heater settings

10
7.3
SCORE
Raypak 336,000 BTU Digital Electronic Ignition Natural Gas Pool Heater

Raypak 336

000 BTU Digital Electronic Ignition Natural Gas Pool Heater

by Raypak
What We like

LCD digital display provides accurate temperature

more infoarrow_drop_down

Product Features

  • Corrosion-resistant headers
  • Monitors operational status as well as service diagnostics
  • Unitherm governor prevents condensation
  • High-wind resistance

High-wind resistance Corrosion-resistant headers Monitors operational status as well as service diagnostics Unitherm governor prevents condensation

expand_less

I Agree
We use cookies to enhance and personalise your experience with us by collecting information about the pages you visit and actions taken on the site. More details