Noritz EcoTOUGH NRC661A-DV Installation Manual

Also see for EcoTOUGH NRC661A-DV: Owner's guide Owner's guide Owner's guide Replacement

8DescriptionRefA= Clearance above grade, veranda, porch,deck, or balconyB= Clearance to window or door that maybe openedC= Clearance to permanently closed windowD=Vertical clearance to ventilated soffitlocated above the terminal within ahorizontal distance of 2 feet (61 cm)from the center line of the terminal*E= Clearance to unventilated soffit *F= Clearance to outside corner *G= Clearance to inside corner *H= Clearance to each side of center lineextended above meter/regulator assembly3 ft (91 cm) within a height15 ft (4.6 m) above themeter/regulator assemblyI= Clearance to service regulator vent outlet 3 ft (91 cm)J=Clearance to nonmechanical air supplyinlet to building or the combustion air inletto any other applianceK= Clearance to a mechanical air supply inlet 6 ft (1.83 m)L= Clearance above paved sidewalk or paveddriveway located on public propertyClearance under veranda, porch, deck,or balcony7 ft (2.13 m)†M=1 In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code2 In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two singlefamily dwellings and serves both dwellings.‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.* Clearance in accordance with local installation codes and the requirements of the gas supplier.Clearance to opposite wall is 24 inches (60 cm).12 in (30 cm)‡*12 in (30 cm)36 in (91 cm)********3 ft (91 cm) above if within10 ft (3 m) horizontally*12 in (30 cm)4 ft (1.2 m) below or to sideof opening; 1 ft (30 cm)above opening36 in (91 cm)4 ft (1.2 m) below or to sideof opening; 1 ft (30 cm)above openingUS Non-Direct VentInstallations 2Canadian Non-Direct VentInstallations 1Vent TerminalDEBBFBAGHIC BMKJBBLAir Supply InletArea Where Terminalis Not PermittedAClearance Requirements from Vent Terminations to Building Openings* All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code,ANSI Z223.1 and in Canada, in accordance with the Natural Gas and Propane Installation CodeCSA B149.1.