Limerick and Waterford must meet again after their disappointing Munster SHC semi-final ended all-square in difficult conditions at Semple Stadium.
In a game lacking in quality, Limerick trailed 0-09 to 0-03 at the break, before a much improved second half saw them deservedly force a replay.
However, David Breen's goal two minutes into the second half revived Limerick's hopes, and despite the introduction of Dan Shanahan, the Déise only managed two points with both sides guilty of hitting careless wides.
The lively John Mullane and Eoin Kelly both scored 0-04 in an opening half in which Davy Fitzgerald's men dominated.
However, a heavy downpour at half-time left the Semple Stadium turf sodden and allowed Justin McCarthy's men to claw their way back from a seemingly lost position to ensure they retain the chance to face Tipperary or Clare in the provincial final.
Points from Mullane, Seamus Prendergast and Kelly propelled Waterford into an early three-point lead before Niall Moran opened Limerick’ account.
Kelly added two further frees to give them a four-point lead, and with Mullane giving his marker Stephen Walsh a torrid time, the Déise went in with a commanding six-point advantage at the interval.
With conditions significantly deteriorated, Limerick began the second half with a bang, Breen driving the sliotar to the net less than two minutes in to give the Treaty men real hope of a comeback.
Points from James Ryan and Moran (2) edged them closer again before Andrew O’Shaughnessy drew them level for the first time in the match in the dying minutes.
Limerick's remarkable revival looked under threat when Kelly converted his sixth free with the clock ticking down, but debut boy Ryan replied at the other end to force a replay next Saturday night, no more than their second half efforts deserved.