Home»All»Firehouse Sub – Free Kid’s Combo Meal! All/Firehouse Subs/Restaurants Firehouse Sub – Free Kid’s Combo Meal! Jill Jarvis 2012-06-04 Jill Jarvis / June 4, 2012 / 0 0 Head over to Firehouse Subs on Facebook to get a coupon for a Free Kid’s Meal Combo with the purchase of any adult entree. We love Firehouse Subs! Check out our post HERE.