Quick Overview
Sta-Rite Max-E-Therm 400 is excellent if you are looking for a lot of power in a small package. It's able to heat pools as large as 20' x 40' while staying true to Sta-RIte's energy efficient approach. With best efficiency in its class and a whole lot of power, Sta-Rite Max-E-Therm 400HD is sure to do the job! All Sta-Rite Max-E-Therm heaters are certified for low NOx emissions and outperform industry standards for air pollution exhaust.
This heater model requires a Natural Gas to Propane Conversion Kit.
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- Installation
- Size Chart
Toronto Pool Services
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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 400LP
Sta-Rite Max-E-Therm 400 is excellent if you are looking for a lot of power in a small package. It's able to heat pools as large as 20' x 40' while staying true to Sta-RIte's energy efficient approach. With best efficiency in its class and a whole lot of power, Sta-Rite Max-E-Therm 400LP is sure to do the job! All Sta-Rite Max-E-Therm heaters are certified for low NOx emissions and outperform industry standards for air pollution exhaust.
Sta-Rite Max-E-Therm 400 heaters are equipped with many advanced technological features, such as self-diagnostic algorithms, which can pinpoint heater or system conditions and save money through faster troubleshooting and their exterior is made out of tough hi-tech thermoplastic resin that handles heat dissipation and weathers the elements year-round.
Power Output: 400,000 BTU
Fuel: Propane
This heater is a SR400NA Natural Gas model that requires a Natural Gas to Propane Conversion Kit (see Required Products tab)
Sta-Rite SR400LP Features
- Heats large pools up to 20 x 40 feet in size.
- 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 SR400 means lower energy consumption and in turn lower costs for you.
- Environmentally Friendly - All SR400 units are low NOx .
- Operate at 100 or 220 volts.
- Compact design - smaller than other heaters of similar power.
- 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.
- Simple to Switch - Change gas sources with installation of separate orifice.
For residential use only.
Manufacturer Warranty:2 Years
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