AERCO KC Standard to Low NOx Convertion Instructions - Manual (Page 24)

24
(b) If the KC1000 is equipped with a Siemens SSOV, remove the 1/4” NPT plug from the
downstream port on the SSOV. Connect the inlet side (flex gas hose and nipple) of the
Staged Ignition Assembly (part no. 124867) to this 1/4” NPT port as shown in Figure 21.
GAS
INLET
BLOWER
SSOV
STAGED IGNITION ASSY
FLEX GAS HOSE
CONNECT TO 1/4" NPT
DOWNSTREAM PORT
LOW PRESSURE
GAS SWITCH WITH
NPT REDUCER
KC1000 PARTIAL TOP VIEW
Figure 21. Staged Ignition Assembly Inlet Connection For Siemens SSOV
(c) For a Honeywell SSOV, remove the 1/8” plug from the inboard side of the gas cock shown
in Figure 22. Connect the inlet side of the Staged Ignition Assembly (part no. 124983)
containing the 5” long 1/8” NPT nipple to the gas cock port.