Fast Shipping On All Items 30 Days Money Guarantee Customer Support Excellent Service 100% Satisfaction Satisfaction Guaranteed Heater Built-In Thermostat, 650W Boat Cabin Heater with Safe PTC Element and Waterproof Fan HMA650 Multi-Use Boat Bilge Heater to Prevent Your Cabin Pump from Freezing, White Specification Item model number HMA650-W Style 650W Brand Therelmax Color White Item Depth 4.3 inches Product Dimensions 7.9"W x 5.2"H Power Source Electric Material Powder-Coated Epoxy Aluminum Alloy Country of Origin China Batteries Required? No Is Electric Yes Item Weight 4.05 pounds Maximum Flow Rate 40 Cubic Feet Per Minute Batteries Included? No Voltage 120 Volts Special Features Adjustable temperature Manufacturer Therelmax Special Feature Adjustable temperature Wattage 650 watts Included Components Boat Engine Compartment Heater, Installation User Manual 5.2 "h x 7.9 "h. Weight: 4.05 lb Item Description ?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 650W 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. Product Description Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed. ? Please contact us before returning. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Payment Options Shop With Confidence