12
Double-walled stainless steel insulated pipes must be used and properly fastened to avoid condensation.
A T-tube must be installed at the base of the pipe to allow periodic inspections and annual maintenance, as illustrated in Figure
11.
Figure 11 - Side view of the installation without a chimney, illustrating the inspection point
Error! Reference source not found. specifies the basic requirements for installing the chimney to the unit.
a)
Failure to comply with these requirements may prevent the correct operation of the unit. Follow all the instructions presented
on the diagrams.
The Hidro units operate with the combustion chamber in vacuum, so it is absolutely necessary to have a fume exhaust pipe
to extract combustion gases properly.
Fume duct material: The tubing must consist of 0,5 mm thick rigid stainless steel, with fastening joints attaching the different
sections and accessories.
Inspection