Noritz NCC199CDV, Installation Manual

Page: 13 / 65

13
CR60-IM.v0429.4
Clearance Requirements Between Terminations (Horizontal)
When using 90 Elbows or Tee Fittings
•
When venting individual units out the side of the building with separate intake and exhaust pipes,
maintain the exhaust pipes must be at least 1 ft (0.3m) above the intake pipes.
•
Avoid locating the intake pipes directly below the exhaust pipe.
•
The exhaust and intake must extend at least 3 in (75 mm) beyond the exterior of the building
When using Concentric Terminations
Using the PVC-2CT or PVC-3CT
•
Multiple concentric terminations clearances should be grouped in pairs. One set shall be
terminated a maximum 4 in (100 mm) apart, with the next pair maintaining a minimum of 24 in
(0.6 m) spacing from the next pair.
•
Refer to the Vent Termination Installation Manual for full clearance requirements.
Illustrations shown with PVC-3CT as a representative example
Side View
Interior View
≥ 3 in MIN
For both
Exhaust &
Intake
Exhaust Exhaust
Exhaust
Intake
Intake
Intake