6-3
DIAGRAMS
SFC BOILER / WATER HEATERS - SFC 199
* See next page for gasket package for SFC-99/125; includes all gaskets asterisked above
BOM ID Part Description
Part #
P-Kit #
10
Combustion air intake fitting and screen
180-203
P-809
20
Flue exhaust fitting
180-204
P-810
30
Ignition module
180-202
P-811
40
Rear flue duct
180-239
P-813
*Flue / Heat Ex Gasket
150-312
*Flue Pipe Outlet Gasket
150-313
50
Flue gas temperature sensor
180-205
P-814
*NTC shaft 1/8” SW15 [gasket]
150-314
60
Sight glass
250-626
P-730
70
Ignitor and cable
180-201
P-815
*Ignitor gasket
250-622
80
Heat exchanger
170-048
No Replacement
*Heat exchanger gasket
250-807 (P-kit 850)
90
Front panel assembly
180-262
P-857
100
Burner
180-170
P-841
110
*Burner gasket
250-808
4 x screws
150-344
Spring
150-241
*O-ring
150-343
120
Heat exchanger plate with refractory
180-208
P-830
130
Back flow insert
180-178
P-817
*Backflow valve flapper (viton)
180-184
140
*Fan gasket
250-627
P-818
150
Fan
240-114
160
Venturi #375
180-168
P-858
Venturi clip
150-244
170
Gas line (gas valve to fan)
180-245
P-842
*Gas line O-ring
150-245
180
*O-ring & orifice
150-175 included with
conversion kits
Orifice - Natural Gas - #660
180-173
P-803
Orifice- Propane - #535
180-174
P-802
Alternative low calorfic Natural Gas orifice - #725
180-108
P-846
190
Gas valve
180-215
P-824
200
*Gas valve inlet gasket
150-206
*
Outlet O-ring
150-175
210
Inlet gas tube also with 150-206
180-218
P-873
220
Bypass tube
180-285
P-874