Quick Overview
Sta-Rite Max-E-Therm 333 is designed for faster heat-ups and the top-mounted control panel has large a digital display with indicator lights that pinpoint heater or system conditions in case there's a need for troubleshooting. Max-E-Therm features an LED temperature readout with dual thermostat controls, 6-position control panel and PVC union connections. It's very economical in operation due to high energy efficiency. All Sta-Rite Max-E-Therm heaters are certified for low NOx emissions and outperforms industry standards for air pollution exhaust. Max-E-Therm HD heaters are equipped with a curpo-nickel heat exchanger which makes them suitable to operate in saltwater pools.
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- Size Chart
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Toronto Pool Services
Pool Equipment installation services are provided by our partner, Toronto Pool Services.
All installations are performed by certified technicians and are backed by a one-year labour warranty. By submitting this form you will share your information with our partner and they will provide you with a quote by email. You are under no obligation to purchase the product or the installation service. Product prices on torontopoolsupplies.ca do not include installation costs.
Sizing your Heater
| Pool Size w/ 6 ft. Avg. Depth | Volume, Gallons | Volume, Liters | Gas Heater BTU |
| 12' x 24' | 12,960 | 49,000 | 100k - 150k BTU |
| 14' x 28' | 17,640 | 66,800 | 150k - 200k BTU |
| 16' x 32' | 23,040 | 87,200 | 200k - 250k BTU |
| 18' x 36' | 29,160 | 110,400 | 250k - 300k BTU |
| 20' x 40' | 36,000 | 136,300 | 300k - 400k BTU |
| 15' Round | 7,950 | 30,100 | ~100k BTU |
| 18' Round | 9,050 | 34,250 | ~100k BTU |
| 21' Round | 15,580 | 59,000 | 100k - 150k BTU |
| 24' Round | 20,350 | 77,000 | 150k - 200k BTU |
Note: all figures are approximate and are meant to be used as a guideline only. Heater performance may vary depending on weather conditions - wind, shade, etc. For sizing solar and electrical heaters, refer to each individual heater's documentation.
Sta-Rite Max-E-Therm SR333HD Cupro-Nickel Natural Gas Pool Heater
When you don¢'t have a heater for your pool, the first beautiful days of the summer can be disappointing. Though the weather might be warming up, it can take a while before your pool catches up - cutting your swimming season down significantly. With a reliable heater, you can extend your season by weeks each year, getting more use out of your pool, and encouraging more active fun for your family.
With the Sta-Rite Max-E-Therm heater, you can enjoy a longer summer filled with comfortable time in the pool. Made with a Cupro-Nickel heat exchanger, this Sta-Rite saltwater heater is built to work with chlorine or saltwater pools.
Why choose the Sta-Rite Saltwater Heater?
The Sta-Rite Max-E-Therm Heater is optimized to heat your pool affordably. With an 84% efficiency performance, your Sta-Rite saltwater heater provides you with powerful heating, without massive utility bills. The low emissions ratings exceed standards, making this heater an environmentally-friendly choice.
The Sta-Rite saltwater heater is also incredibly easy to use, with a convenient top-mounted digital display. With a glance, you can see the temperature of your pool, and adjust it as needed. This heater also comes complete with a self-diagnostic system, alerting operators to problems and guiding users through troubleshooting steps. This intuitive system helps pool owners to avoid common heater damage issues, ensuring years of reliable performance.
Comfortable Swimming every day of the Summer
When you choose the Sta-Rite Max-E-Therm Heater, you can provide easy and affordable heating for your pool throughout the whole summer. The swimming season in Canada is short, and adding an efficient heater is one of the best ways to extend the summer, and get more use from your pool. With the Max-E-Therm heater, you can rely on efficient and compact heating for many summers to come - whether you have a chlorine or saltwater pool.
Sta-Rite SR333 HD Features
- Heavy Duty Cupro-Nickel Heat Exchanger suitable for use in saltwater pools.
- Lightweight, yet durable construction lets the unit withstand the harshest of utilizations, such as to low pH, high flow and heavy use.
- Rust-resistant casing - sleek, matte dark housing is made of Dura-Glas - a high-end material that can resist the heat and cold of the elements.
- Best in class energy efficiency. Standard Copper Heat Exchanger 84% efficient. Heavy-Duty (HD) Cupro-Nickel Heat Exchanger 82% efficient.
- Lower Operating Costs - 84% efficiency rating of Sta-Rite SR333 means lower energy consumption and in turn lower costs for you.
- Environmentally Friendly - All SR333 units are low NOx .
- Compact design - Ideal for retro-fit installations.
- Simple to Switch - Change gas sources with installation of separate orifice.
For residential use only.
- 18 x 36'
Related Products
NOTE: Product images are for illustration purposes only and may not exactly match the actual product due to seasonal model, color or design changes. When shopping for parts we strongly recommend to check the SKU or "Part Number" which is listed on each product page. If you are unsure whether this is the correct product or need assistance please contact us.