OVERALL MEASUREMENT W/ FLANGE: 16-5/8" L, 6-3/4" W, 3-3/16";H.;BOOX MEASUREMENT: 15-5/8" L, 5-3/4" W, 3-1/4" H.;JADE BROILER JCM;;ORIFICE ELBOW IS AP# 4005501. NO ORIFICE INLCUDED WITH;ELBOW.;;NAT # 40 ORIFICE IS AP# 4005502;LP # 52 ORIFICE IS AP# 4005503