The Sta-Rite Max-E-Therm 400 (part number SR400NA) is a 400,000 BTU natural gas pool and spa heater with a compact footprint, simple digital controls and a low-NOx design. It suits large pools, cooler climates and replacement of an older gas heater.
Key Features
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400,000 BTU: Quick heat-up and temperature recovery.
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Low NOx design: Cleaner operation that meets many air-quality requirements.
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Rotating digital display: Easier viewing on different equipment pad layouts.
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Outdoor cabinet: Durable, corrosion-resistant cabinet for outdoor pads.
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Union connections: Easier installation and service; plumbing adapters may be required depending on your setup.
Specifications
| Brand |
Sta-Rite |
| Part Number |
SR400NA |
| Product Line |
Max-E-Therm |
| BTU |
400,000 |
| Fuel Type |
Natural Gas |
| Voltage |
120/240V |
| Heat Exchanger |
Copper (standard) |
| Dimensions (L x W x H) |
Approx. 31.94" x 25.15" x 30.03" |
| Weight |
Approx. 138 lbs |
Before You Order
SR400NA is natural gas only; propane requires the LP version. This model uses a copper heat exchanger, so salt pools or aggressive water may be better served by the cupro-nickel HD version. Confirm venting, clearances and gas line sizing meet local codes. Questions? Call 855-677-7796 or contact us with your model and part number.
Shipping Box Dimensions
27.75 x 34.25 x 32 in
Dimensions refer to the shipping carton.
