Phantom 35K-115K BTU Two-Stage NG Marine Heater-Multiple Lengths By Schwank - STP-TA
Out of stock for 3-4 Weeks
Out of stock for 3-4 Weeks
This fully enclosed outdoor heater features a modern, low-profile silhouette with a sleek black powder-coated finish that complements contemporary outdoor decor. The intricate front grille adds a touch of sophistication, while the wind-resistant design ensures consistent performance in challenging outdoor conditions. Its versatile mounting options and ultra-low clearance requirements make it a seamless addition to any patio or deck setup.
Designed for easy installation and maintenance, this heater supports heights from 8 to 17 feet and comes in lengths of 12 and 17 feet. It operates on 2-stage natural gas, with a propane conversion available, providing flexible fuel options. The smart wireless controls enable remote management, allowing you to customize zones and heating levels effortlessly. Built with marine-grade aluminum alloy and an energy-efficient EC motor, this heater offers reliable, uniform heat distribution even in windy outdoor environments.
| BTU Range | 35,000 - 115,000 |
|---|---|
| Available Lengths | 12 ft., 17 ft. |
| Mounting Height | 8 ft. - 17 ft. |
| Fuel Type | Natural Gas (standard), Propane (converted) |
| Finish | Black Powder Coated |
| Voltage | 120 V |
| Warranty | 10-year burner, 10-year tubes, 3-year components |
| Motor | Energy-Efficient Direct Drive EC Motor |
| Included | Wireless Controls |
For more details on installation and operation, visit the marine heater installation guide. To explore compatible mounting brackets and accessories, check out our marine heater accessories.

Free Delivery
Free Delivery
Out of stock for 3-4 Weeks
This fully enclosed outdoor heater features a modern, low-profile silhouette with a sleek black powder-coated finish that complements contemporary outdoor decor. The intricate front grille adds a touch of sophistication, while the wind-resistant design ensures consistent performance in challenging outdoor conditions. Its versatile mounting options and ultra-low clearance requirements make it a seamless addition to any patio or deck setup.
Designed for easy installation and maintenance, this heater supports heights from 8 to 17 feet and comes in lengths of 12 and 17 feet. It operates on 2-stage natural gas, with a propane conversion available, providing flexible fuel options. The smart wireless controls enable remote management, allowing you to customize zones and heating levels effortlessly. Built with marine-grade aluminum alloy and an energy-efficient EC motor, this heater offers reliable, uniform heat distribution even in windy outdoor environments.
| BTU Range | 35,000 - 115,000 |
|---|---|
| Available Lengths | 12 ft., 17 ft. |
| Mounting Height | 8 ft. - 17 ft. |
| Fuel Type | Natural Gas (standard), Propane (converted) |
| Finish | Black Powder Coated |
| Voltage | 120 V |
| Warranty | 10-year burner, 10-year tubes, 3-year components |
| Motor | Energy-Efficient Direct Drive EC Motor |
| Included | Wireless Controls |
For more details on installation and operation, visit the marine heater installation guide. To explore compatible mounting brackets and accessories, check out our marine heater accessories.
