UTC SCS-5-08-3 Installation Instructions And Homeowner's Manual page 29

Note : The aluminum combustion air pipe supplied
with the kit is extensible up to 2 times the
supplied length;
6. Install the extruded grey gasket supplied with the
kit all around the 4 inches diameter combustion air
pipe to provide a permanent seal joint between
the pipe and the "L" shape cover and the 4 inches
diameter half moon cover;
7. Use the machine bolts and nut to fasten the "L"
shape cover and the 4 inches diameter half moon
cover;
8. Secure the combustion air pipe with 4 metal
screws through the collar tabs and the pipe;
9. Secure the 4 inches half moon cover with four
metal screws.
DNS-0480 Rev. B
FIGURE 5
5 inches diameter Vent Pipe / Side Connection
2.5) CONNECTION
BREECH
1. Replace the 6 inches diameter HMT Boiler breech
plate with the 5 inches diameter breech plate
supplied in the kit. (see figure 8);
2. Cut the 5 inches flexible stainless steel vent pipe
at the length needed;
3. As illustrated on figure 7, insert the 5 inches
flexible vent pipe to the smaller diameter of boiler
breech. Secure the pipe on breech with three
metal screws at 3/8" from the end of vent pipe;
4. Apply the high temperature sealant supplied with
the kit at ½" of the end and all around the vent
pipe;
5. Install the white breech gasket and the stainless
steel collar centered to provide a permanent seal
joint as showed on figure 7;
6. Make sure that stainless steel collar is centered
with the vent pipe and breech joint and tighten
firmly the collar on the assembly.
TO THE BOILER
9