Pre-Delivery/Install Checklist
whl-648 Rev. 001 Rel. 000 Date 4.11.19
74
Figure 67 - Heat Exchanger Replacement Parts - 199 Floor and Wall Mount Models
NUMBER DESCRIPTION PART NUMBER NUMBER DESCRIPTION PART NUMBER
38 DHW Outlet Pipe 7855P-275 49 DHW Inlet Block Cap 7855P-283
38-1 3/4” Pipe Gasket 7855P-073 50 DHW Inlet Adapter 7855P-203
38-2 P18 O-Ring 7855P-047 51 CH Block Cap 7855P-283
38-3 1/2” Pipe Clip 7855P-246 52 CH Return Block with Filter 7855P-248
39 DHW Inner Block 7855P-251 52-1 P22 O-Ring 7855P-276
39-1 P22A O-Ring 7850P-262 53 CH Return Block with Filter Clips 7855P-284
39-2 Pipe Adapter Clip 7855P-277 54 Pressure Gauge Clip 7855P-285
40 DHW Outlet Adapter 7855P-225 55 CH Return Adapter 7855P-227
41 DHW Temperature Sensor 7855P-094 56 Filter for CH Return Block 7855P-265
42 DHW Inlet Pipe 7855P-241 57 CH Filter Clip 7855P-286
43 DHW Flow Sensor 7855P-083 58 CH Return Pipe 7855P-287
44 Mixing Valve 7855P-043 58-1 3/4” Pipe Gasket 7855P-073
44-1 P15 O-Ring 7855P-044 59 CH Return Temperature Sensor 7855P-097
44-2 P16 O-Ring 7855P-075 60 3 Way Valve Assembly 7855P-247
45 DHW Outer Block 7855P-259 60-1 P25 O-Ring 7855P-288
46 DHW Inlet Filter Block 7855P-279 60-2 Pump Clips 7855P-263
47 Flow Restrictor 7855P-280 61 CH Supply Lower Pipe 7855P-290
48 DHW Inlet Filter 7855P-281 61-1 1” Pipe Gasket 7855P-074
48-1 P20 O-Ring 7855P-282 62 Internal Grundfos Pump / DHW Storage Pump 7855P-456
Table 44 - Heat Exchanger Replacement Parts - 199 Floor and Wall Mount Models