Yegor Sharangovich and Michael McLeod each had a goal and an assist for New Jersey (15-3-0), which is one win shy of tying its record (13 straight from Feb. 26-March 23, 2001).
"I thought tonight was a total team game," Devils coach Lindy Ruff said. "We got production, we got a key short-handed goal from Sharangovich, but all four lines were in on it. I thought our defense played well, and again, our goaltender made some big saves at key times."
Akira Schmid, who made 25 saves, has won three straight games since being recalled from Utica of the American Hockey League on Nov. 5.
"He's just looked comfortable every time he's been in the net," Ruff said. "He made big saves the last time we played these guys (4-3 overtime win on Nov. 10), and again there were key saves at key times. The breakaway save (on Senators forward Brady Tkachuk in the second period) I thought was a key save. This year's a whole different story. Last year we got a little taste. Then he had a good [training] camp, a good preseason when he played for us, and I think he's just carried it through."
Derick Brassard scored for the Senators (6-10-1). Cam Talbot made 16 saves in relief of Anton Forsberg, who allowed three goals on 18 shots.
"For us as players, it's a Saturday afternoon, it's close to a sellout, so it's on us," said Tkachuk, the Ottawa captain. "It's on us for not getting ready. It's on me for not helping my group get ready, so I'll take responsibility for that one. There were times tonight when we played solid, played our game, but it wasn't enough."
Erik Haula gave the Devils a 1-0 lead at 7:10 of the first period when his wrist shot from the slot beat a heavily screened Forsberg on a power play. It was his first goal with New Jersey since being acquired in a trade from the Boston Bruins on July 13.
"We were just resilient," Haula said. "There were a couple holes in our game, I thought, where we got a little bit comfortable, and that's when they kind of took it to us a little bit and got some chances. But overall, good for Schmid, great game from him, and 12 in a row. We've got to feel good about this one."