Specifications

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2.6.5 DO NOT US E Type ‘B’ or ‘BW’ Vent which is a non-insulated double walled stack
approved for LP and natural gas fired appliances only as per the Codes and Regulations
that are listed in Part 1 – Sections 1.4 through 1.4.4 of this bid specification as applicable.
2.6.6 DO NOT USE Type ‘L’ Vent whi ch is a non-insulated double walled stack approved for
some #2 fuel oil an d pellet burning appliances only as per the Codes and Regulations
that are listed in Part 1 – Sections 1.4 through 1.4.4 of this bid specification as applicable.
2.6.7 DO NOT USE the black decorative style of vent whi ch is a single walled stack approved
for solid-fuel burning appliances only as per the Codes and Regulations that are listed in
Part 1 – Sections 1.4 through 1.4.4 of this bid specification as applicable.
2.6.8 Where any penetration of a floor, a wall, through the ceiling, into an attic space, where
people may brush against the outside surface of the stack, or when you run any stack on
the exterior of the building, you shall use an all-fuel pipe material that meets UL Standard
103 Type HT pipe requirements as per the Codes and Regulations that are listed in Part
1 – Sections 1.4 through 1.4.4 of this bid specification as applicable.
2.6.9 Stack that i s installed and used for th is penetration protection of the buildin g, shall be
rated for a chimney temperature suitable for use at 1,000
o
F, and shall b e tested to the
UL Standard 103 Type HT pipe requirement as per the Codes and Regulations that are
listed in Part 1 – Sections 1.4 through 1.4.4 of this bid specification as applicable.
2.6.10 The all-fuel /UL 103 Type HT double walled insulated stack with stainless steel inner core
is available through the local Clean Burn Distributor. (Refer to the CB-1750 Operator’s
Manual for th e proper way to install the st ack, and whe n to use single wall st ack and
when you must use the all-fuel /UL 103 Type HT double walled insulated stack.)