Ultra Boiler Manual

Part number 550-100-440/0122
135
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MAINTENANCE & SPECIFICATIONS
U3537
8
23
7
16
12
24
11
3
1
20
22
25
2
5
6
14
9
10
10
13
24
4
19
17
19
12
16
14
399 components
17
15
Figure 136 Heat exchanger and piping Ultra-299 & -399
Replacement parts (continued)
Item
Description
Boiler
models
Part
number
1 Heat exchanger replacement kit - Heat
exchanger
, cover plate, burner, electrode,
water sensors, compression ttings,
condensate tting, gaskets, and hardware
299/399 383-500-675
2 Cover plate replacement kit - Cover plate,
cover plate gasket, burner gasket, and
hardware
299/399 383-500-395
3 Cover plate insulation 299/399 383-500-250
4 Cover plate gasket 299/399 383-500-255
5 Cover plate studs, M6, 1 pitch All 560-340-598
6 Cover plate nuts, M6, 1 pitch All 561-928-449
7 Supply water pipe assembly - Pipe &
compression tting & plugs
299/399 383-500-764
8 Return water pipe assembly - Pipe, drain
valve, cap (assembled) & compression
tting
299/399 383-500-385
9 Supply/Return water piping square cut
EPDM gasket (Ultra-299 only)
299/399 562-248-755
10 Fitting, double nipple for supply/return 299/399 561-326-828
11 Boiler drain valve, 3/4” NPT All 511-246-392
12 Blower assembly kit - Blower, gasket, and
hardware
299
399
383-500-360
383-500-650
13 Gas pipe 299/399 560-907-679
14 Flexible gas line 299/399 383-500-768
Item
Description
Boiler
models
Part
number
15 Gas pipe lower clamp and hardware 299 383-500-625
16 Gas valve/venturi kit - Gas valve, venturi 299 383-500-390
Gas valve kit - Gas valve, venturi, adapter
block, O-ring and hardware (assembled)
399 383-500-652
17 Gas valve outlet adapter/nipple kit 399 383-500-651
18 Gasket cork, for in between gas valve
venturi & blower inlet
All 590-317-310
19 Air silencer kit -
Air silencer and gasket 299
399
383-500-355
383-500-654
20 Ignition electrode kit - Ignition electrode,
suppressor, gasket, and hardware
All 383-500-045
Ignition electrode gasket ONLY 511-330-253
21 Ignition cable kit (not shown) - Ignition
cable, suppressor, and wire tie
All 383-500-619
22 Inspection glass kit - Bracket, glass, gasket
and hardware
All 383-500-020
23 Burner replacement kit - Burner, gaskets
and hardware
299 383-500-407
24 Return/supply sensor kit - (1) sensor All 383-500-602
25 Condensate trap kit - Condensate trap, hose
clamps, pvc ttings, and gasket
299/399 383-500-626