HAPPY HUBBY!May 17, 2008 O. POTEAT(CASWELL CO, NC USA) This item was just what my husband needed for his non-preprep winter boo-boo. He forgot to drain the water out of the old one and it cracked. Pressure washer will not work without this little part. Guys, please (READ)follow the manual guide on how to take care of your equipment to avoid unnecessary expenses and headaches....later!