1. Not with the correct hose for the HEA sprayer. 2. This coupler does not fit the HEA hose. 3. All you need is the hose that is listed in the back of the owner's manual. For a 25' hose, order #353-706, for a 50' hose it's #353-708. For more help call us at 1-800-328-8251.
The length of the coupler is 1.45 inches in total. Please contact our technical support staff at 1(800)328-8251 if you have any other questions or needs.