User manual
Page 10
F/R Flow/Return
1½” Male
A1/FG Flue exhaust/Air inlet 130 /130 mm
C Condensate Hose 25/21 x 750
G Gas 1” Male
SCB 150 & 180 PARALLEL FLUES
Co-Axial/concentric connection at the rear. Separate exhaust and air inlet connections are:
Flue exhaust at the rear and air inlet at the front Install horizontal Flue parts under 5.2%
fall in the direction of the boiler (more than 5 centimetre for every linear metre)
complete with extra drain points with a 60mm water trap. Site Air intake down-
wards at the terminal