Heatiator NNXT4236IL NNXT3933I Installer Guide, Getting Started, A. Typical Appliance System

4 Getting Started Installer Guide

A. Typical Appliance System

NOTICE: Illustrations and photos reflect typical installations and are for design purposes only. Illustrations/diagrams are not drawn to scale. Actual product may vary from pictures in manual

Note: Dual venting configurations

ARE NOT allowed. Appliance

MUST be vented EITHER vertically

OR horizontally.

Noncombustible Roof Flashing maintains minimum clearance around pipe (Section 10)

Vent Pipe (Section 8)

Ceiling Firestop on floor of attic (Section 8)

Horizontal Termination Cap (Section 10)

Framing/Header (Section 5)

Vertical Termination Cap (Section 10)

NOTE: An installation will have either a vertical termination or a horizontal termination. It will not have both (as shown).

Storm Collar (Section 10)

Vent Pipe penetrates roof preferably without affecting roof rafters

Attic Insulation Shield (not shown) must be used here to keep insulation away from vent pipe if attic is insulated (Section 8)

Framing headed off in ceiling joists (Section 8)

Optional Wall Switch (Section 12)

Mantel & Mantel Leg (Section 5 & 14)

Surround (Section 14)

Hearth Extension (Not required)

Gas Line (Section 12)

Figure 4.1 Typical System

16 Heatilator • Novus NNXT • 4055-879 • Rev. o • 2/12