Replacement Parts List

GAS
Discontinued Service Parts 253
Fig.
No.
Part No. Description Model Mfr.
Mfr.’s Part
No.
1
383-500-190
Ultra Control Module - (MCBA)
80, 105,
155, 230
383-500-191 310
2 383-500-195 Transformer, 120v/24v
3 383-500-408
Display Board Kit (Includes: Display, Bracket, Label,
Off-Set and Ribbon Cable)
4 383-500-205 On/Off Power Switch
5 383-500-210
Pressure/Temperature Gauge Assembly (Includes:
Temperature and Pressure Sensor)
6 383-500-215 Ribbon Cable, Control Module to Display Board
N/S
591-300-002
Low Voltage Wire Harness Assembly - (Includes Wire
Harness, Terminal Strip, and Resistor)
80, 105
383-500-220 155, 230
591-391-941 310
7
591-300-001
High Voltage Wire Harness Assembly - (Includes Wire
Harness)
80, 105
383-500-230 155, 230,
591-391-940 310
8
383-500-235
Control Model Fuses (F-1 Is 5-Amp, Fast-Blow
(5 Fuses)
383-500-240
Control Model Fuses (F-3 Is 4-Amp, Slow-Blow
(5 Fuses)
9 383-500-245 120v, 3-Wires Receptacle
N/S
510-350-200 Circulator Relay 310
White-
Rodgers
90-362 SPST,
120 VAC
591-391-927 Gas Valve Plug
155, 230,
310
591-850-570 Data Port Cover (Series 2 Only)
Ultra Boiler - Series 1 & 2
Control Parts
3
6
7
4
2
1
8
9
5