Kiely claims the standard of goalkeeping has improved since his own arrival at the club.
"Boaz comes in, there is no problem, no fuss and he does the job very, very well," Kiely told the Birmingham Mail.
"That is the biggest compliment I can pay to him and myself, looking at the group of goalkeepers as a unit when we work together.
"As our standards reach up, Ben, Bo and Luke have all contributed to clean sheets this season. That for me, for all three goalkeepers, is fantastic."
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