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Swimming Pool Heaters – Compare The Top 3 Brands

Swim Clear Pool Supply is your destination for swimming pool heaters! We feature all the major brands including products such as the Pentair Mastertemp, Jandy JXi, and Raypak Heaters.

Jandy JXi Pool Heaters

The Jandy JXi sets a new standard in pool and spa heating technology with its ultra-compact size, lightweight design, and installation flexibility, making it a top choice for pool professionals and pool owners everywhere. The high-efficiency, low-NOx JXi pool and spa heater is available in three BTU sizes, 200K, 260K, 399K, and offered in both natural and propane gas models.

  • Ultra-Compact Lightweight Design – Easy to store, transport, and install, the JXi pool and spa heater is 38% lighter with a 28% smaller footprint.
  • Smaller footprint compared to major competitor models
  • Flexible Installation – 180° rotatable top so you never need to rotate headers.
  • Versa Plumb-Ready – Installation in the Versa Plumb system reduces plumbing costs and increases energy efficiency, all using the smallest footprint available. Sweep elbow included in all JXi models
  • Easy Access – Electrical panel flips up for ease of service.
  • Easy Replacement – 3-port header for easy plumbing and drop-in replacement of MasterTemp, Max-E-Therm, and Jandy Pro Series pool heaters.
  • Sidewall Ventilation – Provides versatility and ease of installation.
  • High-Efficiency Gas Train and Heat Exchanger Design
  • Copper fin heat exchanger tubes for efficient heat transfer
  • Single stainless steel burner with robust design
  • Blower-driven gas and air mix for reliable performance
  • Hot surface ignitor for consistent start-ups
  • User-Friendly Control – Digital interface for effortless temperature control and diagnostics with run-time and cycle meter.

Pentair Mastertemp Pool Heaters

As easy to use as your home-heating system, MasterTemp has user-friendly indicator lights that make system operation and monitoring a snap. The compact design and quiet operation won’t intrude on your swimming and poolside enjoyment. It heats up fast, avoiding long waits before using your pool or spa. It also has best-in-class energy efficiency and has certification for low NOx emissions. Manual gas shutoff allows for easy transition into service. The rotating digital display gives the user a convenient viewing and controlling experience. The rustproof exterior is made to outlast the elements and handle the heat.

Raypak Pool Heaters

Raypak’s Low Emissions units use combustion control to minimize levels of nitrogen oxides (NOx).  The units meet emissions standards in all Low NOx areas, from Los Angeles (SCAQMD Rule 1146.2 certified) through the San Joaquin Valley (SJAPCD Rule 4308), and any other areas applying the stringent SCAQMD standard – the “Gold Standard” of emissions regulations – to residential pool heaters. Digital Controls provide solid-state reliability and accuracy and clear diagnostics.  Setting it for the temperature you want is a snap… push a few buttons and walk away.


All of these heaters can be installed, serviced, and maintained by our licensed technicians here at Swim Clear. Contact us by phone or stop by one of our stores for best pricing and availability.