Laars FT Series, Installation And Operation Instructions Manual, Page: 33 / 92

The FT Series Wall Mounted, Combination Boiler
Page 33
4.10 Gas Supply and Piping (cont)
The combination boiler must be installed downstream of the gas meter for adequate gas supply.
The gas piping must not be less than
1/2”
for FTCW140 models and
3/4” female NPT
on FTCW199 models.
Suggested Natural Gas (NG) Layout
NOTE: Total gas supply capacity
must not be less than the
total demand capacity of the
connected appliances.
NOTE: Total gas supply capacity
must not be less than the
total demand capacity of the
connected appliances.
Suggested Propane Gas (LP) Layout