My Thermo went bad about 4 years ago, and I yanked it out, as I lived in Florida. Now that I have moved up here to the Pacific Northwest where water temps are around 40-50 degrees, I installed one back in on my 15HP Merc Serial:0G364316. I purchased the kit, part number 14586A-3. When I opened the package the sheet of paper states that it's for a 20HP / 25HP. It seems to fit perfectly, and the gasket is the same as my old one. Just want to confirm that it is the correct part, dealer stated that it is for 120 degrees. Also after installing it, the water stream was low, as I would expect but after warming up, it did not increase significantly. I also changed the impellor as well. <br /><br />Thanks
