Board with cooling relay 24, Flame sensor 24, Fuse 24,27 – Reznor MAPSII Series Parts Manuals User Manual
Page 25: High gas pressure switch 24, Low gas pressure switch 24, Code 155 - burner orifices
P-MAPSII, P/N 271467R1, Page 24
CODE 155 -
Burner
Orifices
CODE 165 - Low
Gas Pressure
Switch
(auto reset),
P/N 204375
CODE 166 - High
Gas Pressure Switch
(manual reset),
P/N 204297
CODE 167 -
Combustion
Air Proving
Switch
CODE 168 -
Ignition Control,
P/N 195573
CODE 169 -
DSI Electrode
Assembly
CODE 170 -
Flame Sensor,
P/N 195292
CODE 171 - High
Temperature Limit
Control (capillary
style)
If fuse needs to
be replaced, use
P/N 201685 or
field-supplied Type
ATC or ATO 3, color
violet.
Located in the blower cabinet.
Gas Heat Section - Models RDCA and RDDA (cont’d)
Heat Section with One Split Burner
100
150
200
250
300
350
400
Natural
Gas
1/3 Burner
Section
P/N
205863
120146
120152
205719 120158 208246 208243
Size/Marking 2.75 mm 3.4 mm
#23
4.4 mm
#10
#5
5.6 mm
2/3 Burner
Section
P/N
205857
205858
205713
205714 205715 208255 208253
Size/Marking
#23
#12
7/32”
6.2 mm
6.9 mm
L
7.8 mm
Propane
1/3 Burner
Section
P/N
205862
124967
196852
196853 205720 208249 120146
Size/Marking 1.7 mm 2.10 mm Brass #39,
Drilled #40 Brass #37 2.9 mm
1/8
3.4 mm
2/3 Burner
Section
P/N
205859
205860
205716
205717 205718 208289 208290
Size/Marking
3/32”
2.9 mm
3.3 mm
3.75 mm 4.1 mm
#16
3/16
Heat Section with One Split Burner
and One Non-Split Burner
450
500
550
600
650
700
Natural Gas
1/3 Burner
Section
P/N
205719
208247
120167
120157 122177 208244
Size Marking 4.4 mm
#14
F
#12
5.5 mm
5.7 mm
2/3 Burner
Section
P/N
208250
208251
208254
208252 208252 208256
Size/Marking
5.7mm
6.0mm
#15
6.8mm
6.8mm
I
Non-Split Burner
- Right Venturi*
P/N
205719
208247
120167
120157 122177 208244
Size/Marking
4.4mm
#14
F
#12
5.5 mm
5.7 mm
Non-Split Burner
- Left Venturi*
P/N
208250
208251
208254
208252 208252 208256
Size/Marking
5.7mm
6.0mm
#15
6.8mm
6.8mm
I
Propane
1/3 Burner
Section
P/N
196853
208937
205863
205720 120145 120147
Size/Marking Brass #37
#34
2.75 mm
2.9 mm
3.3 mm
#29
2/3 Burner
Section
P/N
208938
208939
208291
205718 208292 208940
Size/Marking
#29
3.6mm
5/32
4.1 mm
#21
#19
Non-Split Burner
- Right Venturi*
P/N
196853
208937
205863
205720 120145 120147
Size/Marking Brass #37
#34
2.75 mm
2.9 mm
3.3 mm
#29
Non-Split Burner
- Left Venturi*
P/N
208938
208939
208291
205718 208292 208940
Size/Marking
#29
3.6mm
5/32
4.1 mm
#21
#19
*Left or right when looking into the cabinet or at the closed side of the burner (side opposite the flame).
Gas Heat Section Controls (quantities not listed are one)
Code Description
100
150 200
250
300
350
400
450 500 550 600 650 700
165 Low Gas Pressure Switch
204375, #C6097a1053 (On manifolds with Option BP3 or BP4)
166 High Gas Pressure Switch
204297, #C6097b1028 (On manifolds with Opiton BP2 or BP4)
167 Combustion Air Proving Switch
196388, .50”w.c.
196362, .55”w.c.
197028, .65”w.c.
168 Direct Spark Ignition Control
Board with Cooling Relay
195573
(2)
195573
168A Fuse for CODE 168, DSI Control
201685
(2)
201685
169 DSI Eletrode Assembly
207502, 24” lead
208796, 60”lead
(2)
208796, 60”lead
170 Flame Sensor 1769-82
(2)
195292
(3)
195292
(4) 195292
171 High Temperature Limit Control
201741, 66”
capillary, 240°
148588, Tod 10H11 221300
172 Wiring Harness Assembly
195656
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173 Wiring Harness Assembly
201419
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