Pentair 250 & 400 Pool Heaters: What to Know Before You Buy

When winter’s chill sets in, a pool heater transforms your backyard pool into a warm, inviting retreat. The Pentair MasterTemp® 250 and 400 models are the perfect solutions for maintaining an ideal swimming temperature no matter the weather. These powerful heaters offer efficiency, reliability, and advanced features to keep your pool or spa comfortable all year long.

Why Choose Pentair MasterTemp® Pool Heaters?

Pentair MasterTemp® pool heaters combine performance and energy efficiency with user-friendly design. Their compact size, low emissions, and rapid heating capabilities make them a top choice for pool owners.

  • Energy Efficiency: With thermal efficiency ratings of 82% or higher, Pentair heaters provide powerful heating while minimizing energy usage.
  • Eco-Friendly Design: Low NOx emissions meet strict environmental standards, making these heaters an eco-conscious choice.
  • Fast Heating: Rapid heat-up times ensure your pool is ready when you are.
  • User-Friendly Controls: Simple, intuitive digital displays make operation and diagnostics a breeze.
Pentair MasterTemp Pool Heater Research

Pentair MasterTemp® 250K BTU Natural Gas Heater

Perfect for medium-sized pools and spas, the MasterTemp 250 is a versatile and efficient option.

Features:

  • Compact Design: Saves space without sacrificing performance.
  • Rotatable Control Panel: Allows flexible installation and easy access.
  • Safety Features: Includes water pressure switch, high-limit switch, and stack flue sensor for peace of mind.
  • Silent Operation: Runs quietly, ensuring a peaceful poolside experience.

Specifications:

  • BTU Output: 250,000
  • Fuel Type: Natural Gas
  • Efficiency: 82% thermal efficiency
  • Dimensions: 21" L x 21" W x 28" H

Available Models:

The MasterTemp 250 is ideal for those who want an efficient, reliable heater for pools or spas of medium size.

Pentair MasterTemp® Natural Gas High Performance Heater HD 400K BTU 460805 - Pool Heaters - img-1

Pentair MasterTemp® 400K BTU Natural Gas Heater

For larger pools and demanding heating needs, the MasterTemp 400 delivers powerful, efficient performance.

Features:

  • High Heat Output: Quickly heats even the largest pools, ensuring consistent comfort.
  • Advanced Automation Compatibility: Integrates with Pentair IntelliCenter® and EasyTouch® systems for remote control.
  • Weather-Resistant Design: Durable materials withstand harsh outdoor conditions.
  • Energy-Saving Bypass Valve: Available as an optional upgrade to reduce operating costs when the heater isn’t in use.

Specifications:

  • BTU Output: 400,000
  • Fuel Type: Natural Gas
  • Efficiency: 82% thermal efficiency
  • Dimensions: 21" L x 21" W x 28" H

Available Models:

The MasterTemp 400 is the ultimate choice for pool owners looking for robust performance and premium features.

best winter pool heater

How to Choose Between the 250 and 400 Models

  • Pool Size: Choose the 250 model for medium-sized pools and spas. Opt for the 400 model for larger pools or pools located in colder climates.
  • Usage Patterns: If you use your pool or spa frequently during winter, the 400 model provides faster heating and greater efficiency.
  • Budget: The 250 model offers excellent heating at a lower cost, while the 400 model delivers maximum performance for those with greater needs.

Why Get Your Heater from Us?

Expert Advice
Our knowledgeable team can help you select the ideal model for your pool’s specific requirements.

Competitive Pricing
Enjoy great deals and seasonal savings on the Pentair 250 and 400 models.

Convenience
Shop online or visit one of our locations in Phoenix, Scottsdale, or Las Vegas to see our selection of heaters in person.

Don’t Let the Cold Stop You—Enjoy a Warm Pool This Winter

Investing in a Pentair MasterTemp® 250 or 400 pool heater ensures your pool remains a source of joy and relaxation even in winter. Visit our Pentair Pool Heaters Collection to learn more and take advantage of our current offers. Let us help you make the most of your pool year-round!


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