Hull dominated much of the game but needed a blistering last quarter that produced 20 unanswered points to subdue Sandal.
Winger Stephen Hihetah scored a sensational five tries for Hull as the East Riding side got back to winning ways and keep themselves in the mix at the top of the table.
Hull started well and were soon in the lead after going through the phases before releasing winger Stehen Hihetah to score the first of his five tries in the left hand corner after seven minutes, too far out for Stephen Johnson to convert.
A second try followed just four minutes later when full back Lee Birch rounded off some enterprising attacking play to go in at the left hand corner. Stephen Johnson’s excellent conversion giving Hull a 12-0 lead.
Hull looked likely to run away with the game at this stage but Sandal gave the visitors a wake-up call with a good try from centre Steve Nolson converted by off half Greg Wood after 30 minutes.
Hull responded with a sweeping from their own half allowing Lee Birch
all the room he needed to side step his way to go in for a try converted by Johnson after 33 minutes.
Hull kept up the pressure and another long distance attack seeing Stephen Hihetah score again giving Hull a commanding 24-7 half-time advantage.
Playing with the elements Sandal posed Hull some problems in the second period.
After just ten minutes of the second half, they fashioned a good driving maul and their number eight was credited with the try which was converted by Wood.
Hull were further handicapped when their prop Ben Boothman was shown a yellow card after 55 minutes.
Sandal mounted a series of attacks on the Hull line and came close to scoring but as they failed to make their numerical superiority count it was Hull who made their mark on the game in the final quarter.
A tremendous push over try after 65 minutes by flanker turned number eight Rupert Kay converted by Johnson saw the flood gates open for Hull.
With Hull’s full back Lee Birch creating space whenever he received the ball, gaps were appearing in tbe overworked Sandal defence.
Another Hihetah try duly arrived as the winger burst through from the halfway line to score a try converted by Johnson.
This was quickly followed by his fourth after a thunderous break of 60 yards by second row man Liam Regardsoe saw the ball retained for the winger to beat despairing defenders on his way to the line.
With Sandal now in disarray, Birch set up a final try for the irrepressable Hihetah who made it five tries his tally as Hull ran out convincing winnners 46-14.