5.3102.2 Venting Sealed Combustion Appliance

Topic: 
Hydronic Heating (Hot Water and Steam)
Subtopic: 
Equipment Installation
Desired Outcome: 
Flue gases removed safely and cost-efficiently
For supporting material, see Referenced Standards and Building America Solution Center.
TitleSpecification(s)Objective(s)
5.3102.2a
Flue vent material selection

Flue vent material will be selected to prevent flue gas freezing and/or corrosion (double wall where necessary) in accordance with the appliance manufacturer's requirements

Ensure the durability of flue vent system

Ensure selected material is appropriate and cost-effective
5.3102.2b
Location of vent termination

Termination will be located away from windows, doors, walkways, or any air intake opening in accordance with applicable codes and manufacturer's instructions

Aesthetics and noise should be considered

Ensure vent termination does not create safety hazard
5.3102.2c
Location of venting path

Venting will be routed in the shortest and most direct path possible in accordance with applicable codes and manufacturer's instructions

Successfully remove flue gases and moisture
5.3102.2d
Connection points/joints

Vent joints will be airtight and watertight in accordance with applicable codes and manufacturer's instructions

Ensure safe operation
5.3102.2e
Pitch of flue connection

Vent will be pitched back to the boiler for categories I, II, and III

Vent for category IV will be pitched in accordance with manufacturer specifications

Ensure proper draft

Ensure proper condensate management