New Buck Corporation 94NC Manual De Usuario

Connectors  may pass through walls or partitions  constructed  of combustible material if  
connector is: 

(a)  Either listed for wall pass-through or is routed through a device listed for wall pass-

through and is  installed in accordance with  conditions of  listing. 

(b) Selected or fabricated in accordance with   conditions and  clearances  as  stated 

in   NFPA-211 Code.  Any unexposed metal that is used as part of a  wall  pass-through 
system and is exposed to flue gases shall be  constructed of stainless steel or other 
equivalent material that will resist corrosion, softening or cracking from flue gases at 
temperatures up to 1800

o

  F. 

 
In  addition,  a  connector to a  masonry  chimney  shall  extend through  wall to the inner face 
or liner but not beyond,  and shall be firmly cemented to masonry. 

  

     

 

EXCEPTION:  A thimble may be used to facilitate removal  of  the chimney  connector for 

cleaning, in which case the thimble  shall be permanently  cemented in place 
with high-temperature cement. 

 
2.  Once  through-the-wall thimble codes are met,  simply connect chimney collar to wall pass-

through connector using #24 ga. minimum, blue or black steel connector pipe as follows: 

(a)  Maintain 1/4" rise per foot (horizontal length)  from   appliance to  chimney. 

(b) Connect each section so  crimped end faces downward. 

(c)  Secure each section to each other using at least three  (3) sheet metal screws or rivets 

(See Figure 10. Page 15). 

(d) Use three (3) sheet metal screws to fasten pipe  to  connector collar on heater. 

(See Figure 10. Page 15). 

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