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Cast Iron Condensing Boilers – Installation Manual
FlexCore Stainless Steel Condensing Boilers – Installation Manual
Model Size with Quantities Below
Ref # Name of Part Part No. 850 1000 1500 2000 2500 3000 3500 4000 4500 5000 6000 7000 8000 9000
68A Blower to Air Box Adapter 74-0030-001 1 1
68B Blower to Upper Cover Adapter 74-0029-001 1 1
69 Air & Gas Mixing Box Gasket 06-0214-001 1 1 1 1 1 1 2 2 2 2 2 3 3 3
70 T&P Gauge Duplex 0-230PSI 13-0305 1 1 1 1 1 1
T&P Gauge Duplex 0-100PSI 13-0308 1 1 1 1 1 1
T&P, 30-50PSI 13-0309 2 2 2 2 2 3 3 3
T&P, 75-125PSI 13-0310 2 2 2 2 2 3 3 3
71 Flow Sensor 14-0330-002 1 1 1 1 1 1 1 1 1 1 1 1 1 1
71A Flow Sensor Enclosure Base 03-4580-001 1 1 1 1 1 1 1 1 1 1 1 1 1 1
71B Flow Sensor Enclosure Cover 03-4582-001 1 1 1 1 1 1 1 1 1 1 1 1 1 1
71C Flow Switch (prior to 1018) 14-0207 1 1 1 1 1 1 1 1 1 1 1 1 1 1
72 Air Vent 13-0352-001 1 1 1 1 1 1 2 2 2 2 2 3 3 3
73 Pressure Relief Valve, 50# 30-0360 1
30-0379 1 1 1
13-0023 1 1 2 1 2 1
30-0369 1 1 2
30-0382 1 2 1 2 3
74 Pump Connector, 3" Metraflex 53-5051-003 1 1 1 1 1 1 1 1
75 Pump Connector, 4" Metraflex 53-5051-004 1 1 1
76 Ball Valve, 1/4 NPT Side Ports, 1 NPT 11-0465 1 1
76A Ball Valve, 1/4 NPT Side Ports, 1 1/2 NPT 11-0467 1 1 1 1 2 2 2 2 2 3 3 3
77 Flange, Adjustable Shutter, 1 NPT 11-0228 1 1
77A Flange, Adjustable Shutter, 1 1/2 NPT 11-0229 1 1 1 1 2 2 2 2 2 3 3 3
78 Low Gas Pressure Switch 11-0422 1 1 1 1 1 1 2 2 2 2 2 3 3 3
79 Valve MBC 11-0230 1 1
79A Valve MBC 11-0227 1 1 1 1 2 2 2 2 2 3 3 3
80 Flange 1" 11-0231 1 1
80A Flange 1 1/2" 11-0214 1 1 1 1 2 2 2 2 2 3 3 3
81 High Gas Pressure Switch 11-0421 1 1 1 1 1 1 2 2 2 2 2 3 3 3
82 Ball Valve 1" 11-0456 1 1
82A Ball Valve 1 1/2" 11-0458 1 1 1 1 2 2 2 2 2 3 3 3
83 Orifice, NG, 0.063" ID 10-0140-003 1 1 1 1 1 1 2 2 2 2 2 3 3 3
84 Gas Valve 11-0079 1 1 1 1 1 1 2 2 2 2 2 3 3 3
85 Solenoid Valve 11-0376-002 1 1 1 1 1 1 2 2 2 2 2 3 3 3
86 Mini Fan 12-0021-002 1 1 1 1 1 1 2 2 2 2 2 3 3 3
87 Air Pressure Switch, 0.25" WC 14-0067 1 1 1 1 1 1 2 2 2 2 2 3 3 3
88 Air Pressure Switch, 2.5" WC 14-0068 1 1 1 1 1 1 1 1 1 1 1 1 1 1
89 Air Pressure Switch, 3.0" WC 14-0069 1 1 1 1 1 1 2 2 2 2 2 3 3 3
90 Air Pump 12-0027 1 1 1 1 1 1 1 1 1 1 1 1 1 1
91 Transformer, 50VA 15-0007 1 1 1 1
92 Transformer, 250VA 15-0040-001 1 1
92A Transformer, 500VA 15-0040-002 1 1 1 1 1 1 1 1
93 HeatNet Control, V3.0, Full Version, w/Minibus 40-0092 1 1 1 1 1 1 2 2 2 2 2 3 3 3
HeatNet 3.0 Replacement Kit, Full Version w/Minibus 75-0401-003 1 1 1 1 1 1 2 2 2 2 2 3 3 3
NS Ignition Cable 44-0063 1 1 1 1 1 1 1 2 2 2 2 3 3 3
NS Plug, 220 OHM, Black 40-0079-001 1 1 1 1 1 1 1 1
NS Plug, 470 OHM, Gray 40-0079-002 1 1 1 1 1 1 1 1
94 High Limit, Auto Reset 14-0115 1 1 1 1 1 1 1 1 1 1 1 2 2 2
94A High Limit, Auto Reset 14-0115-001 1 1 1
95 High Limit, Manual Reset 14-0127 1 1 1 1 1 1 1 1 1 1 1
95A High Limit, Manual Reset 14-0127-001 1 1 1
96 Solid State Fan Relay, 25A, 3PH 15-0142-001 2 2 2 2 2 2 2 2 3 3 3
96A Solid State Relay, 20A, 1PH 15-0137 1 1 1 1 1 1
97 Power Supply, 120VAC Primary, 12VDC Secondary 15-0352-002 1 1 1 1 1 1 1 1 1 1 1
97A Power Supply, 120VAC Primary, 12VDC Secondary 15-0352-003 1 1 1
98 Burner Control, 7800 Series 16-0024R 1 1 1 1 1 1 2 2 2 2 2 3 3 3
NS Base, Q7800 16-0003 1 1 1 1 1 1 2 2 2 2 2 3 3 3
NS Keyboard Display Module, S7800A 16-0010 1 1 1 1 1 1 2 2 2 2 2 3 3 3
NS Purge Timer, ST7800 16-0007 1 1 1 1 1 1 2 2 2 2 2 3 3 3
NS UV Amplifier, R7849B 16-0037 1 1 1 1 1 1 2 2 2 2 2 3 3 3
100 Contactor, 600V, 25A, 120VAC, 3 Pole 15-0207 1 1 1 1 1 1 1 1 1 1 1 1 1 1
101 Overload, 600V, 6.4A-32A, 3 Pole 15-0224 1 1 1 1 1 1 1 1 1 1 1 1
Overload, 600V, 1.6A-8A, 3 Pole 15-0225 1 1 1 1 1 1 1 1 1 1 1 1 1 1
102 Ball Valve, T-Handle 11-0471-003 1 1 1 1 1 1 1 1 1 1 1 1 1 1
103 Ball Valve 13-0252-001 1 1 1 1 1 1 1 1 1 1 1 1 1 1
NS Harness Kit 40-0501 1 1 1 1 1 1
40-0501-002 1 1 1 1 1 1 1 2 2 2
40-0501-003 1 1 1
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