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Boat Engine Compartment Heater Built-in Thermostat, 500W Boat Cabin Heater with Safe PTC Element and Waterproof Fan HMA500 Multi-Use Boat Bilge Heater to Prevent Your Cabin Pump from Freezing, White
4.9 (36 items)
Limited Time SaleUntil the end
10
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US$38.99 cheaper than the new price!!
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Used US$25.99
Product details
| Management number | 211795962 | Release Date | 2026/04/04 | List Price | US$25.99 | Model Number | 211795962 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 【Extend Your Boating Season】You won't have to worry about freezing damage with the THERELMAX boat engine heater. The boat engine compartment heater keeps the bilges warm and dry, whether you patrol the waters or just like taking your boat out on colder days, you'll always be good to go with an engine compartment heater on board. THERELMAX marine engine block heater will also help you to significantly reduce your winterizing costs.
- 【Built-in Adjustable Thermostat】Equipped with an adjustable thermostat that return control to the user, allowing for more applications. Perfect for a boat bilges, RV bays, wellhouses, greenhouses, workshops, lithium warmers, service van, recreational vehicles, and more! (Temperature range: 41℉-86℉. For boat engine compartment heating applications, it is recommended to set the temperature to 46℉.)
- 【3s Fast Heating】This Marine Heater with 500W safe PTC ceramic heating technology rapidly heats the bilge compartment. This prevents critical engine and compartment components from ever getting close to freezing temperatures.
- 【Built for Ultimate Reliability】This boat heater features a rust-resistant aluminum alloy case, a sealed electronics module, and a waterproof fan to provide consistent temperatures throughout the engine compartment. We live and breather harsh marine environments, so we designed each component with reliability in mind.
- 【Trusted Quality】The housing and core components are made of powder-coated epoxy aluminum alloy and aluminum to prevent rust, extend the life of the heater. We are confident in the quality and construction of each products and ensure that all of our products are produced and certified to regional, national, and international industry standards. THERELMAX offer a 1-year warranty to cover manufacturing defects.
| Color | White |
|---|---|
| Voltage | 120 Volts |
| Wattage | 500 watts |
| Flow Rate | 40 Cubic Feet Per Minute |
| Brand Name | Therelmax |
| Item Depth | 4.3 inches |
| Mount Type | Wall |
| Style Name | 500W |
| Is Electric | Yes |
| Item Weight | 3.5 Pounds |
| Manufacturer | Therelmax |
| Model Number | HMA500-W |
| Power Source | Electric |
| Material Type | Powder-Coated Epoxy Aluminum Alloy |
| Special Features | Adjustable temperature |
| Included Components | Boat Engine Compartment Heater, Installation & User Manual |
| Maximum Temperature | 86 Degrees Fahrenheit |
| Item Dimensions W x H | 7.9"W x 5.2"H |
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