This heater protects your critical equipment from freezing in your RV or boat. It keeps those large spaces at the right temp with an automatic thermostat. And the quick-release bracket lets you install or remove the heater when the seasons change.
Water lines split open when they freeze. Batteries lose charge faster in the cold. Engines, pumps, and other critical systems might not survive those nights that fall below zero. That's exactly what this heater was built to prevent. At 800 watts, it has the power to keep large RV basements and boat engine compartments above freezing, and the forced-air design pushes heat into the corners where damage usually starts.
This kit includes a quick-release bracket, designed for RVs and boats where seasonal swaps matter. Instead of unbolting the heater in the spring, just pull the latch to release it and stow it away. When cold weather returns, drop it back into the bracket and it secures in place. The anodized aluminum bracket resists corrosion, so it can stay mounted all year without worry. Plus, the heater itself comes with a 15' marine-rated cord with a standard plug attached, so you've got some length to place it where you need (and you don't need to hardwire anything).
You have better things to do than sit there watching a gauge. That's why the thermostat is fixed to switch on at 40ºF and shut down at 55ºF, which is the range that keeps your plumbing, batteries, and tanks safe. It's high enough to stop freeze damage, but it doesn't waste energy making it warmer than you need.
Putting any electrical gear in an enclosed space can make people cautious, especially around fuel. This unit is ignition-protected, which means it's been tested to make sure it won't ignite fuel vapors in engine compartments or bays. For boaters, that's critical for safety when mounting in the bilge. For RV owners, it means reliable operation even in tight spaces where safety standards really matter.
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I like that the quick-release bracket on the Xtreme Heaters 800-watt RV Basement and Boat Bilge Heater (XH27FR) makes seasonal storage simple. Instead of unbolting hardware every spring, the bracket stays mounted and the heater slides in or out in seconds, which is especially useful for customers who winterize year after year. Once in place, the automatic thermostat manages the cycling for you, and the forced-air fan helps circulate heat evenly so large RV bays or bilge compartments stay protected instead of leaving cold spots. The ignition-protected, fully anodized build adds durability and safety in enclosed spaces, and the 15-foot marine-grade cord makes it a true plug-and-play setup. For boats up to 35 feet or bigger RV basements, this model provides the higher output needed to prevent freeze damage, while smaller spaces are better matched with the lower-wattage versions.
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