Xtreme Heaters Boat Engine Compartment Heater | Large 800w Bilge Heater - For Boats Up To 35 | Boat Heater, Well House Heater, Camper/RV Heater, & Marine Heater - Safe Self Regulating Bilge Heater
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Ciscoguy
> 3 dayInstalled as a pair... Worked well to help delay winterization and keep the diesel engines ready to start when temps dipped into in the low 20s last month. Recommended.
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Mitch
> 3 daySo far the heater is working properly. Very sturdy and easy to handle. The only downside I have experienced with this is the screws that came with the product were not very reliable. The heads broke off 3 out of the 4 that came with the unit, even with a pilot hole drilled.
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Keith Moore
> 3 dayLooks like a great product.
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Seacat
Greater than one weekThis is the second Xtreme heater Ive bought. Great engine room heater, still using the first one and after six years, havent had any issues. Would recommend if you need a dependable engine heater.
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Kathleen D. Fennell
> 3 dayPerfect for my boat!!
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Super Dave
> 3 daythis was just what i needed... small but great quality for my boat
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john Gauci
08-06-2025Works great
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Daryl Fowlkes
> 3 dayMakes me more comfortable and the winter knowing that my engine room is protected it from freezing. It appears as though the colder it gets outside but warmer this heater warms up that space. I love this product. 3300 Tiara Yacht owner.
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Ron`
> 3 dayGreat purchase. Plug and play. Winterization cost me $600.00The heater cost $480.00.Do the math. Very good.
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Linda Ansel
> 3 dayI have 2 in my engine room. One units fan starts and runs as long as it is plugged in. Had to drill out rivets to disassemble. Moved fan circuit to load side of thermostat. Now fan cycles with heating elements. Not impressed with pop rivets, or fan running continuously. Bought 750 watt Twin hornet for my other boat. Works as it should.
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Xtreme Heaters exceeds Coast Guard, ABYC and MILSPEC ratings for heat, cold, moisture and vibration. This has earned our product the trust of our military, where it is installed in special operations vessels, and homeland security vessels across our nation. |
We chose modern, efficient, PTC (Positive Temperature Coefficient technology for the core of our heaters. They are self-regulating, offering safety and efficiency gains unmatched by other element heaters. |
Each component in our bilge heaters was chosen specifically for the harsh marine environment they live in. A fully anodized aluminum case, a sealed electronics module, marine rated power cord, and our exclusive waterproof fan ensures your heater is the safest and most reliable engine compartment heater, allowing for years of trouble free operation. |
Xtreme Heaters are most compact bilge heaters available. They can be mounted in any orientation, including vertically, horizontally or even upside down. |
Xtreme Heaters Creative Uses
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| Xtreme Heater - Small | Xtreme Heater - Medium | Xtreme Heater - Large | |
| Wattage | 400 watts | 600 watts | 800 watts |
| Dimensions | 5.75" x 3.5" x 5.1" | 8" x 3.5" x 5.1" | 8" x 3.5" x 5.1" |
| BTU | 1365 | 2047.5 | 2729.7 |
| Approximate Craft Size | Up to 24ft | Up to 28ft | Up to 35ft |
| Power Requirement | 110V | 110V | 110V |
| Forced Air Circulation | ✓ | ✓ | ✓ |
| Pre-Wired 15 foot Marine-Rated Cord | ✓ | ✓ | ✓ |
| Automatic Thermostat with Narrow +/-3- degree tolerance | ✓ | ✓ | ✓ |
| Fully Anodized Interior/Exteriori | ✓ | ✓ | ✓ |
| Self-Diagnostic Upon Plug-In | ✓ | ✓ | ✓ |