Sidewall (Horizontal) Venting - Brant Radiant Heaters DX2-20-60 User Manual

DX2 Series
Figure 3.21 • General Vent Requirements
Adjustable Roof Flashing
1 in. Minimum Clearance
1 in. Minimum Clearance
Single-Wall Elbow or Alternate Tee Fitting
Sidewall Venting
Guidelines:
Vent Pipe Angle
• To prevent moisture from entering the heater system, slope the vent pipe down toward the outlet
1/4 in. per foot of length. Do not pitch the heater.
• **Vent must extend beyond any combustible overhang if the vent is less than 36 in. below the
combustible overhang.
Figure 3.22 • Sidewall Venting Requirements
Building Overhang
Sidewall Vent Cap
Wall Thimble
Vent Cap
Storm Collar
B to C Adapter
*Consult the NFPA ANSI Z223.1 Gas Vent Termination criteria if roof pitch exceeds 9:12
36 in.
min.**
6 in.
min.**
3.0 Installation
24 in.
Min.*
Sidewall
B to C Adapter
Double-Wall Single
B-Vent
Wall Vent
1/4 in. downward
pitch per foot
27
•
• Venting Sidewall Venting
Roof*
Double-Wall B Vent
Firestop Spacer
Heater
Single-wall Vent (field supplied)
Heater