Installation Guide

Part number 550-100-066/0608
g a s -f i r e d w at e r b o i l e r — Boiler Manual
98
Heat exchanger and piping — Ultra-155 & -230
Item Description
Boiler
Models
Part
Number
1 Heat exchanger replacement kit - Heat exchanger, cover plate, burner,
electrode, water sensors, compression fittings, condensate fitting, gaskets,
and hardware
Ultra-155
Ultra-230
383-500-621
383-500-622
2 Cover plate replacement kit - Cover plate, cover plate gasket, burner gasket,
and hardware
Ultra-155/-230 383-500-395
3 Cover plate insulation Ultra-155/-230 383-500-250
4 Cover plate gasket Ultra-155/-230 383-500-255
5 Cover plate studs, M6, 1 pitch All 560-340-598
6 Cover plate nuts, M6, 1 pitch All 561-928-449
7 Water compression fitting, 28 mm Ultra-80, -105 383-500-260
8 Supply water pipe assembly - Pipe, temperature well, check valve, cap
(assembled) & compression fitting
Ultra-155, -230 383-501-036
9 Supply water lower pipe clamp and hardware Ultra-155, -230 383-500-615
10 1/2” NPT well for temperature gauge All 383-500-270
11 Pressure/temperature gauge check valve All 383-500-275
12 Return water bushing, 1 1/4” BSP x 1” BSP (not use on Ultra-310) Ultra-155/-230 383-500-280
13 Return water pipe assembly - Pipe, drain valve, cap (assembled) &
compression fitting
Ultra-155, -230 383-500-285
16 Boiler drain valve, 3/4” NPT All 511-246-392
17 Blower assembly kit - Blower, gasket, and hardware Ultra-155
Ultra-230
383-500-035
383-500-040
18 Gas pipe Ultra-155, -230 560-907-683
19 Flexible gas line section and shut-off valve Ultra-155, -230 383-500-624
20 Gas pipe lower clamp and hardware Ultra-155, -230 383-500-617
21 Gas valve/venturi kit - Gas valve, venturi, adapter block, O-ring and hardware
(assembled) ke sure to reinstall the existing propane orifice)
Ultra-155
Ultra-230
383-500-025
383-500-030
22 Gasket cork, for in between gas valve venturi & burner inlet All 590-317-310
23 Air silencer kit - Air silencer and gasket Ultra-155, -230 383-500-295
24 Condensate trap kit - Condensate trap, hose clamps, pvc fittings, and gasket Ultra-155
Ultra-230
383-501-031
383-500-060
25 Ignition electrode kit - Ignition electrode, suppressor, gasket, and hardware All 383-500-045
26 Ignition cable kit (not shown) - Ignition cable, suppressor, and wire tie All 383-500-619
27 Inspection glass kit - Bracket, glass, gasket and hardware All 383-500-020
28 Burner replacement kit - Burner, gaskets and hardware Ultra-155
Ultra-230
383-500-085
383-500-090
29 Return/supply sensor kit - (1) sensor All 383-500-602
Replacement parts (continued)
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