6-5
DIAGRAMS
VFC 15-150, VFC 45-225 MODULATING GAS BOILERS
ITEM# DESCRIPTION PART# QTY
5 FAN, NRG 137 240-048 1
10 O-RING 150-073 1
15 FAN ADAPTER PLATE 180-023 1
20
SCREW, M4x10 TAPPING,
FLAT HEAD, EQUIPPED w/FAN
3
25 AIR INTAKE, BASE 180-017 1
30 SWIRL PLATE 180-020 1
35 AIR INTAKE, COVER 180-018 1
40 GAS VALVE 180-022 1
45 SPACER, #8, 1/8” THICK, 1/4”
O.D.
150-092 3
50 SCREW, M4 x 30, TAPPING,
EQUIPPED w/GAS VALVE
3
55 SCREW #10-32 x 7/8” HEX
HEAD
150-110 4
60 GASKET, FAN - FAN
COUPLER
250-381 2
65 FAN COUPLER SPACER 250-370 1
70 NUT, #10-32, w/EXTERNAL
TOOTH WASHER
150-111 4
75 SWITCH, SNAP DISK,
MANUAL RESET, 230F
240-030 1
80 SWITCH, SNAP DISK, AUTO-
RESET, 203F
240-032 1
85 MOUNTING PLATE, SNAP
DISK
250-333 1
90 IGNITION MODULE
(ALTERNATE CAPABLE
CONTROLS 240-049)
240-004C 1
95 SCREW, SHEET METAL, #8
x 3/4”
150-021 2
100 SENSOR, WATER PRESSURE 240-006 2
105 ENCLOSURE 250-312 1
110 MOUNTING BRACKET, GAS
VALVE
250-316 1
115 SENSOR, AIR PRESSURE 240-003 1
120 TRANSFORMER 240-008 1
125 SIDE COVER, CONTROLLER 250-327 1
130 SCREW, #6-32 x 3/8” 150-014 6
135 CHASSIS, CONTROLLER PCB 250-583 1
140 PCB, CONTROLLER V10.0 230-002 1
145 SPACER, MALE - FEMALE,
#6-32 x 3/4”
150-096 4
150 FRONT COVER,
CONTROLLER
250-591 1
155 PIPE CLAMP 150-039 3
160 2” ABS AIR INTAKE
ASSEMBLY
1
165 CLIP NUT, M10, 19mm
CENTER
150-105 4
170 HEAT EXCHANGER 170-009 1
ITEM# DESCRIPTION PART# QTY
175 REFRACTORY, OUTER 250-287 1
180 REFRACTORY, INNER 250-306 1
185 GASKET, HEAT EXCHANGER
LID
250-328 1
190 LID, HEAT EXCHANGER 250-284 1
195 SCREW, M10 x 55, HEX HEAD 150-106 4
200 WASHER, FENDER, M10 150-104 4
205 IGNITOR 240-002 1
210 GASKET, IGNITOR 250-050 1
215 SCREW, M4 x 10, PAN HEAD 150-013 4
220 SIGHT GLASS HOLDER 250-309 1
225 GASKET, SIGHT GLASS 250-060 2
230 SIGHT GLASS 250-059 1
235 GASKET, BURNER 250-308 2
240 BURNER 180-021 1
245 V-CLAMP 150-071 1
250 FAN COUPLER 250-280 1
280 FRONT COVER, VFC 225 250-315 1
Diagram 6.2-1 (Parts List)
Diagram 6.2-2: Door Assembly – VFC 45-225
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