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Rheem AVIA HD Pool & Spa Heater – Supplied & Professionally Installed by 4Most Energy
The Rheem AVIA HD pool and spa heater is designed to deliver powerful heating performance with advanced smart control features. With high BTU heating capacity, this gas-fired heater provides rapid temperature recovery for residential pools and spas, ensuring comfortable water temperatures even during cooler seasons.
One of the defining technologies in the AVIA HD series is the NiTek™ heat exchanger, which provides significantly greater resistance to erosion and corrosion compared with traditional copper or cupronickel heat exchangers. This advanced design improves long-term durability while maintaining high thermal performance. The heater also includes ProTek Shield™ corrosion protection, helping extend the lifespan of the internal heat exchanger components.
The AVIA HD platform integrates a built-in Wi-Fi control system, allowing homeowners to manage pool temperature, schedules, and system status through the Raymote mobile app. This intelligent monitoring system can also provide service alerts and system diagnostics to help maintain reliable operation.
Proper installation is essential for safe and efficient operation. Gas pool heaters require correctly sized gas lines, proper ventilation, and adequate clearance from surrounding structures. The AVIA heater supports both indoor and outdoor installation configurations when installed according to applicable gas and venting codes. In Canada and Ontario, installation must comply with CSA B149 gas codes and local building regulations, and must be completed by a licensed gas technician.
At 4Most Energy, our licensed technicians ensure proper system sizing, safe gas connection, and correct venting configuration. Professional installation ensures the heater operates efficiently while maintaining manufacturer warranty coverage.
Why Install the Rheem AVIA HD with 4Most Energy?
Integrated Wi-Fi Control System allowing remote operation via the Raymote mobile app.
NiTek™ Heat Exchanger Technology offering superior corrosion resistance and durability.
ProTek Shield™ Corrosion Protection Module designed to extend heat exchanger lifespan.
Smart Operation Manager enabling heater control, scheduling, and accessory management.
Compact 2 ft × 2 ft Equipment Pad Footprint for flexible installation.
Patented Straight Tube Heat Exchanger Design for improved serviceability.
84% Thermal Efficiency Rating with Low NOx Certification.
Rotatable Top Control Panel allowing flexible installation orientation.
AVIA Pool Heater Technical Specifications
Technical comparison of the two available AVIA heater capacities for residential pool and spa applications.
| Specification | AVIA 264A | AVIA 404A |
|---|---|---|
| Model Number | P-M264A-EN-C | P-M404A-EN-C |
| Part Number | 018068 | 018069 |
| Fuel Type | Natural Gas | Natural Gas |
| Tree Score | 12 | 18 |
| Elevation Range | 0 – 10,000 ft | 0 – 10,000 ft |
| Input Capacity | 264 MBTUH (77.4 kW) | 399 MBTUH (116.9 kW) |
| Flue Diameter | 4 in (101.6 mm) | 4 in (101.6 mm) |
| Unit Weight | 135 lb (61.2 kg) | 135 lb (70.2 kg) |
| Shipping Weight | 155 lb (70.2 kg) | 155 lb (70.2 kg) |
| Heat Exchanger | Copper | Copper |
All specifications are manufacturer data and may change without notice.
AVIA HD Pool Heater – Model Comparison Guide
Compare AVIA HD heater models to determine the best option based on heating capacity and pool size.
| Model | Heating Capacity | Recommended Pool Size | Typical Usage |
|---|---|---|---|
| AVIA HD 264A | 264,000 BTU | Small to medium residential pools | Moderate heating demand |
| AVIA HD 404A | 399,000 BTU | Large residential pools or spa combinations | Fast heating & higher capacity |
Actual heating performance may vary depending on pool insulation, circulation system efficiency, and climate conditions.
Professional Pool Heater Installation Process – 4Most Energy
Installing a gas pool heater requires proper gas supply sizing, water connections, electrical power, and ventilation configuration. Our structured installation process ensures safe and efficient system operation.
| Installation Stage | Details |
|---|---|
| 01 Request Installation Quote | Submit a request for a pool heater installation estimate. |
| 02 System Sizing Consultation | We evaluate pool size, heating requirements, and existing equipment layout. |
| 03 Equipment Recommendation | Our specialists confirm the appropriate heater model and heating capacity. |
| 04 Installation Scheduling | A convenient installation date is scheduled with the homeowner. |
| 05 Removal of Existing Equipment | Old heaters or equipment are safely disconnected and removed if replacement is required. |
| 06 Heater Installation & Connections | Installation includes gas line connection, shut-off valve installation, water inlet/outlet plumbing, electrical wiring, venting configuration, and equipment pad placement. |
| 07 Combustion Testing & Safety Checks | Technicians verify gas pressure, combustion performance, leak detection, and control operation. |
| 08 System Commissioning | Final system testing ensures proper heater operation and control system configuration. |
Installation may exclude major gas line upgrades, electrical panel upgrades, or pool plumbing modifications. These services are quoted separately if required.
Manufacturer Warranty
The Rheem AVIA HD pool heater includes:
3-year parts and labour warranty for residential installations of AVIA HD models with NiTek heat exchanger.
Warranty coverage requires:
Installation by a licensed contractor
Proper system operation
Correct water chemistry maintenance
Improper installation, misuse, or chemical imbalance may void the warranty.
Warranty Claims
In the event of a warranty claim:
Contact the installing contractor or dealer.
Provide model number, serial number, and installation date.
Manufacturer service authorization will be issued if applicable.
Maintenance Plans
4Most Energy offers optional equipment maintenance plans starting from $12.99/month.
Annual maintenance may include:
Heat exchanger inspection
Gas pressure verification
Combustion testing
Electrical system inspection
Cleaning and safety checks
Routine maintenance helps ensure safe operation, optimal efficiency, and longer equipment lifespan.
Customers can enroll in a maintenance plan during installation or at any time after system installation.
Rheem AVIA HD Warranty PDF
Service Area
Greater Toronto Area (GTA) and surrounding regions
Toronto, Markham, Richmond Hill, Vaughan, Aurora, Newmarket, Scarborough, Brampton, and Mississauga.
Extended Service Area: Stouffville, Oshawa, Barrie, Orangeville, Hamilton, St. Catharines, Guelph, Kitchener.
