inputs.text: good strong solenoidfinicky install - finicky install first instructions incorrect information indicate not extended 1 14 totally closed already extends 1 12 based diagram instructionsso finally decided shouldnt extend 1 14 totally closeof course acdtually extend quite bit thatonce installed wouldnt open trun seemed weak called support line said instrucdtions wrong maximum pull would achieved not extend totally collapsed 34 inchafter couple attempts trying get cabling installed distance achieved install worksso net net review consider incorrect instructions best pull results dont exceed 34 maximum pull measure twice may want sure addidtional cable cable ferrils availablegreat unit believe install issues rated 4 stars due fact seem provide good strong pullonce installed based outline