Divine (H Series) H42DF The H42 is Montigo’s most versatile fireplace in terms of style and design. The H42 is a single side direct vent fireplace characterized by a classic square viewing area. Rock or tile can be installed over the firebox frame for a clean finish look. Downloads: Brochure Brochure (French) Spec Sheet Spec Sheet (French) Installation Manual Drawing Specs at-a-glance: Max BTU (NG)34,000 Framing Width42 Framing Height46 ¾ Framing Depth21 ⅝ Glass Opening Width39 ½ Glass Opening Height28 ¾ Inner Vent Size5 Outer Vent Size8 CommercialNo CustomizableNo