Table 5 Water boiler replacement parts
Before replacing any parts on the boiler — Turn off power to boiler and shut off gas supply.
Failure to comply could result in severe personal injury, death or substantial property damage.
Item | Part description | Boiler models | Vendor | Vendor part number | ||
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1 | Main burner | — See EGH Manual — | ||||
2 | Main burner with pilot bracket | — See EGH Manual — | ||||
3 | Pilot burner bracket (not shown) | — See EGH Manual — | ||||
4 | Pilot burner (not shown) | Beckett Gas | ||||
Johnson Controls | ||||||
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5 | Main gas valve | Robertshaw | ||||
6 | Manual gas valve, 1" NPT | Watts | ||||
7 | Leak test valve | Key Gas |
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8 | Pilot gas valve | Honeywell | ||||
Johnson Controls | H91ABG | |||||
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8a | Pilot gas pressure regulator | Maxitrol | RV20VL | |||
9 | Pilot shutoff valve | Conbraco | ||||
10 | Pilot tubing, alum. 1/8" O.D. x 34" long | Available at local supply house |
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11 | Ignition control | United Technologies | ||||
12 | Impulse relay | |||||
13 | Honeywell | AML21CBA2AA | ||||
Eaton Controls | 221K11810 | |||||
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14 | Lens cover | Honeywell | ||||
Eaton Controls | 220PM02A | |||||
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15 | Light bulb |
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16 | Wiring harness, water boilers |
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| Effikal |
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17 | Vent damper assembly — optional | Johnson Controls | ||||
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(not for use in Canada) | Effikal | |||||
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18 | Vent damper actuator | Effikal only | RVGP | |||
Johnson only | ||||||
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19 | Vent damper harness | 10C321 | ||||
20 | Limit control, automatic reset | Honeywell | ||||
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21 | Limit control, manual reset | Honeywell | ||||
22 | Probe LWCO, manual reset | McDonnell & Miller | ||||
23 | Pressure/temperature gauge | Ametek | 19998 | |||
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24 | Transformer/relay | Honeywell |
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Note 1 — Johnson damper assembly consists of M35BC actuator and Y15 vent pipe. |
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Replacement parts must be purchased through a local | ||||||
include description and number of replacement part. Results from using modified or other manufactured parts will not be covered | ||||||
by warranty and may damage boiler or impair operation. |
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| Refer to boiler manual for parts not listed above. |
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Part Number |
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| 33 |