Brenden Morrow and Michael Ryder were the men on target, while Kari Lehtonen made 21 saves for his 20th career shutout.
Jay Beagle netted the decisive goal for Washington as the Capitals claimed their second straight victory with a 4-3 triumph over the Boston Bruins.
Shootout goals from Milan Hejduk and Peter Mueller lifted the Colorado Avalanche to a 3-2 success over the Edmonton Oilers.
The New Jersey Devils rallied for their third straight win, beating the New York Islanders 2-1 thanks to two goals in the final two minutes from Marek Zidlicky and David Clarkson.
Claude Giroux's lone shootout goal secured the Philadelphia a 1-0 victory over the Toronto Maple Leafs, Ilya Bryzgalov turning away 29 shots for his shutout.
Jeff Skinner's two goals helped the Caroline Hurricanes see off the Tampa Bay Lightning 4-2, while Mike Smith stopped 42 shots for his 16th NHL shutout in the Phoenix Coyotes' 3-0 win over the San Jose Sharks.
In other games, Tyler Ennis grabbed the shootout winner as the Buffalo Sabres downed the Ottawa Senators 4-3, the St Louis Blues beat the Columbus Blue Jackets 4-1, the Nashville Predators edged the Detroit Red Wings 3-2 and the Montreal Canadiens defeated the Vancouver Canucks 4-1.