Start-up, Inspection and Maintenance
43
Overview of Components
Legend
Fixed high limit, 210°F/99°C
Ignition transformer module
ZIG 2/12
Flow switch, VK315M
P-trap
Air pressure switch
Condensate hose, 400mm
Water pressure sensor
Vent pipe adaptor
Test port cap
Burner mounting flange assembly
Boiler temperature sensor
Radial fan RG130, 120/1/60
Air + gas inlet venturi
P Gas valve VK4115V, 120/1/60
R Air vent w/shutoff base,
3
/
8
”
S Power pump module
U Control console
5581 775 1.3