Xtreme Heaters in a Bertram Testimonial I installed a pair of your heaters in my 1979 Bertram 31 two years ago. They extended our fishing season by months! I love them! Since then Reelapse has been completely remanufactured from her keel up. Leave no doubt, as part of that process we installed electrical outlets in the engine boxes and made sure that there was a dedicated space for the Xtreme heaters! Thanks guys! Vince Forte It works great! Easy to install … serve their purpose!!