• Front view of Lochinvar APN500 natural gas indoor heater
  • Side angle showing compact build and gas connections
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Lochinvar 100284887 Aquas Natural Gas Energy Efficient Indoor Heater 500K BTU

Lochinvar 100284887 Aquas Natural Gas Energy Efficient Indoor Heater 500K BTU

$29,971.01
$37,463.76 $29,971.01
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Pool Heaters & Chillers

A 500K BTU natural gas pool heater with titanium exchanger and 98% efficiency, designed for energy-saving performance in commercial indoor pools.
Product Details

The Lochinvar AQUAS 100284887 APN500 delivers 500,000 BTUs of powerful heating through a high-efficiency natural gas system built for demanding commercial indoor pool applications.

Its factory-assembled design includes a free-standing boiler and a corrosion-resistant titanium pool heat exchanger for long-lasting performance.

Offering an impressive 98% thermal efficiency, the APN500 maximizes energy use while minimizing fuel costs and operational waste.

Digital controls give operators precision and ease, making water temperature management simple and reliable even in high-traffic environments.

Ideal for hotels, aquatic centers, and recreation facilities, the AQUAS system is engineered for durability, simplified installation, and seamless system integration.

Designed for long-term use, the APN500 provides a compact, energy-efficient solution for modern indoor commercial pool heating needs.

AI Review Summary ✨

⭐⭐⭐⭐⭐

Facility managers report excellent heating performance and energy savings after switching to this natural gas unit.

Users highlight the durability of the titanium heat exchanger, especially in facilities with high chlorine or saltwater exposure.

Installers appreciate the factory-assembled design, reducing installation time and simplifying mechanical room layouts.

The digital control system earns praise for its responsiveness and clear readouts, making it easy to operate.

Many customers say the APN500’s compact footprint was ideal for upgrading older systems without major renovations.
Features
  • BTU Output: 500,000 BTU/hr for commercial-grade pool heating
  • Efficiency: 98% thermal efficiency for reduced operating costs
  • Heat Exchanger: Titanium for superior heat transfer and corrosion resistance
  • Control Type: Digital interface for easy system management
  • System Design: Factory-assembled with free-standing boiler
  • Fuel Type: Natural gas for cost-effective indoor heating
  • Application: Ideal for hotels, aquatic centers, and commercial pools
  • Installation: Indoor configuration with space-saving footprint
Specifications
  • Brand: Lochinvar
  • Application: Indoor, Pool
  • Shipping Dimensions: 49 x 43.25 x 55.5 inches
  • BTU Output: 500,000 BTU
  • Use Case: Commercial
  • Control Type: Digital
  • Weight: 647 lbs
  • Flow Rate Max: 65 GPM
  • Fuel Type: Natural Gas
  • Master Carton Quantity: 1
  • Minimum Sell Quantity: 1
  • Pallet Quantity: 1
  • Thermal Efficiency: 98%
User Guides
Frequently Asked Questions

FAQs:

Q: Can this model be used with chlorinated or saltwater pools?
Yes, the titanium heat exchanger is designed to withstand harsh pool chemicals including saltwater systems.

Q: What is the difference between this and the LP model?
This APN500 model runs on natural gas, while the APL500 uses liquid propane—both offer the same performance and efficiency.

Q: Is the digital control system user-friendly?
Absolutely, the integrated digital interface allows for accurate temperature control, easy monitoring, and quick adjustments.
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Disclaimer:
Pool heaters and heat pumps are not returnable once installed or connected. Double-check fuel type, voltage, and sizing before installation.

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