It was also the third home league game in succession that United hit four goals.
Tobi Hutchinson made two changes to the side that drew 1-1 during midweek at Hassocks, with Nik Chamberlain starting after a promising cameo at the beacon and Lucas Mann coming in to make his first appearance of the season.
The two men to make way were Adam Davidson, who missed his first league fixture of the season and Liam Painter who dropped to the bench.
Tom Saunders, making his first home appearance since joining from AFC Uckfield Town, opened the scoring in the 39th minute as he unleashed an unstoppable 25 yard that nestled in the top corner after Heath had failed to clear a loose ball.
United saw their lead doubled on the stroke of half time as Dean Stevens hit an effort through a crowd of players that found its way into the bottom corner.
Merv Bhujun had Heath’s best chance of the game midway through the second half as he broke through the United defence only to see his effort saved by James Broadbent, but the rebound found its way to Tim Martin who looked odds-on to score but Dave Smart somehow managed to clear the ball off the line.
Two minutes later, Saunders hit his third goal in two games as he lobbed the ball over the centre half before slotting the ball into the back of the net.
The scoring was completed as Heath defender Andy Howard headed into his own net to round off a sorry afternoon for the visitors as United moved above their opponents into 9th place in SCFL Premier Division.