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Natural Gas Digital Polymer Heater 399K BTU
Natural Gas Digital Polymer Heater 399K BTU
The Rheem Natural Gas Digital Polymer Heater delivers 399,000 BTUs of powerful and efficient heating with a durable, rust-resistant design for large spaces.
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The Rheem gas heater has a polyester-coated, non-corrosive cabinet that is more durable than solvent borne- and water borne-coated metal cabinets. Every piece of sheet metal goes through a 7-stage wash system, making certain the powder paint has a perfect bond. Underneath the tough, yet beautiful finish you will find galvanized metal that offers superior rust prevention and years of durable service

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Customers appreciate the Rheem Natural Gas Heater’s impressive 399,000 BTU heating capacity, delivering efficient performance for large spaces.
The durable polyester-coated cabinet and rust-resistant galvanized metal are often highlighted for their long-lasting construction.
Many users value the flawless finish, ensured by the 7-stage wash system, contributing to the heater’s high durability.
Reviewers praise the heater's reliability and performance, making it a top choice for both residential and commercial applications.

- 399,000 BTUs of powerful heating capacity
- Durable polyester-coated, non-corrosive cabinet
- 7-stage wash system for perfect powder paint bonding
- Galvanized metal for superior rust prevention
- Suitable for large residential and commercial applications
- Long-lasting and reliable construction

- Type: Natural Gas Heater
- Heating Capacity: 399,000 BTUs
- Cabinet: Polyester-coated, non-corrosive
- Material: Galvanized metal for rust prevention
- Wash System: 7-stage
- Application: Large Residential and Commercial Use
- Maintenance: Low Maintenance


Q: What makes the Rheem Natural Gas Heater so durable?
A: The heater features a polyester-coated, non-corrosive cabinet, and galvanized metal for superior rust protection and long-lasting durability.
Q: How does the 7-stage wash system contribute to the heater's performance?
A: The 7-stage wash system ensures the powder paint bonds perfectly to the sheet metal, providing a flawless and durable finish that lasts.
Q: Is this heater suitable for both residential and commercial use?
A: Yes, the Rheem Natural Gas Heater is designed to efficiently heat large residential and commercial spaces with 399,000 BTUs of power.

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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Rheem is known for manufacturing high-efficiency pool and spa heaters that deliver consistent, reliable performance. Designed for energy savings and durability, Rheem heating systems help you maintain the perfect water temperature all season long. At AquaDoc, we carry a full range of Rheem pool heaters to keep your swimming pool or spa warm, comfortable, and ready when you are.
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