Replacement Parts List

ManualsBrandsWeil-McLain ManualsBoilersECO 155 - 124,000 BTU Output Natural Gas Wall Mount Gas Boiler S2

Replacement parts

DO NOT SERVICE THE

BOILER WITHOUT A

ECO MAINTENANCE KIT

AVAILABLE

The ECO maintenance kit includes components

that may have to be replaced when accessing or

disassembling parts of the boiler. Failure to replace

damaged components and to use only the parts

speciﬁcally intended for the boiler can result in se-

vere personal injury, death or substantial property

damage. See Figure 109, page 107 for part number.

'OTOWWWWEILMCLAINCOMTOLOCATE7EIL-C,AINDISTRIBUTORS

&IGURE Propane conversion kits and

instructions

Boiler

MODEL

+IT

PARTNUMBER

+IT

LOCATION

)NSTALLATION

INSTRUCTIONS

%#/

540-202-837

Shipped loose

with boiler

See

page 13

%#/

540-202-838

Shipped loose

with boiler

See

page 13

%#/

540-202-839

Shipped loose

with boiler

See

page 15

&AILURETO ADHERE TO THESE GUIDELINES CAN

RESULT IN SEVERE PERSONAL INJURY DEATH OR

SUBSTANTIALPROPERTYDAMAGE

OBTAIN PARTS ONLY THROUGH

WEIL-McLAIN

Replacement parts must be purchased through a local Weil-McLain

distributor. When ordering, specify boiler model and size and include

description and part number of replacement part. Results from us-

ing modiﬁed or other manufactured parts will not be covered by

warranty and may damage boiler or impair operation.

THE BOILER CONTAINS CERAMIC

FIBER MATERIALS

4HEBOILERCONTAINSCERAMIClBERMATERIALS. Use care when

handling these materials per instructions on page 84 of this manual.

Failure to comply could result in severe personal injury.

REINSTALL Jacket door

Inspect boiler jacket door gaskets on front of cabinet and reinstall

boiler jacket door after start or servicing. The boiler jacket door must

be securely fastened to the boiler to prevent boiler from drawing air

from inside the boiler room. This is particularly important if the

boiler is located in the same room as other appliances. Failure to

keep the jacket door securely fastened could result in severe personal

injury or death.

BEFORE SERVICING or MAKING

CONNECTIONS —

!,7!93452.0/7%2/&&4/4(%"/),%24/02%6%.4

%,%#42)#!, 352'%37()#( #!. $!-!'% "/),%2

#/-0/.%.43

LABEL WIRES BEFORE REMOVING

Label all wires prior to disconnection when servicing controls.

Wiring errors can cause improper and dangerous operation.

REPLACEMENT PART

NUMBERS

7EIL-C,AINPARTNUMBERSAREFOUNDIN

THISMANUALANDINWeil-McLain Boilers

and Controls Repair Parts Lists.

WHEN OPERATING THE

BOILER ON PROPANE GAS

!,,%#/BOILERSMUSTBECON-

VERTEDINORDERTOOPERATEWITH

PROPANEGAS

Part number 550-142-122/0513

106

GAS-FIRED WATER BOILER — Boiler Manual

Summary of content (12 pages)

PAGE 1
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts DO NOT SERVICE THE BOILER WITHOUT A ECO MAINTENANCE KIT &AILURE TO ADHERE TO THESE GUIDELINES CAN RESULT IN SEVERE PERSONAL INJURY DEATH OR SUBSTANTIAL PROPERTY DAMAGE AVAILABLE The ECO maintenance kit includes components OBTAIN PARTS ONLY THROUGH WEIL-McLAIN that may have to be replaced when accessing or disassembling parts of the boiler.
PAGE 2
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Item Miscellaneous parts and kits Description 0ART .UMBER Item Antifreeze, Sentinel X500 . . . . . . . . . . . 592-900-004 Corrosion inhibitor, Sentinel X100 . . . . . . . 592-900-002 Sentinel X100 Quick Test Kit. . . . . . . . . . 592-900-005 Cleaner, Sentinel X400 . . . . . . . . . . . .
PAGE 3
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Jacket parts — ECO 70/110/155 (see Figure 111, page 109 for illustration) Item Name Description / contents Part Number 100 Jacket door Jacket door and labels 383-800-216 110 Seals – jacket door to cabinet Seals for front face of cabinet 383-800-217 120 Wall-mount bracket (wall side) Bracket and hardware 383-800-218 130 Wall-mount hardware (boiler side) Boiler mounting studs (bolts, washers, and spacers,
PAGE 4
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Jacket assembly — ECO 70/110/155 (see Figure 110, page 108 for part numbers) 'O TO WWW WEIL MCLAIN COM TO LOCATE 7EIL -C,AIN DISTRIBUTORS Part number 550-142-122/0513 109
PAGE 5
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Heat exchanger parts ECO 70/110 (see Figure 113, page 111 for illustration) Item Name Part Number 100 Heat exchanger 383-800-234 105 Heat exchanger with condensate dish, assembled (includes items 100, 120, 130, and 140) 383-800-235 110 Heat exchanger, condensate dish, cover plate, burner, igniter, sight glass, refractory, water sensors, gaskets, silicone, and hardware (includes items 100, 120, 130, 140, 160, 18
PAGE 6
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Heat exchanger assembly ECO 70/110 (see Figure 112, page 110 for part numbers) 'O TO WWW WEIL MCLAIN COM TO LOCATE 7EIL -C,AIN DISTRIBUTORS Part number 550-142-122/0513 111
PAGE 7
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Item Heat exchanger parts ECO 155 (see Figure 115, page 113 for illustration) Name Part Number 100 Heat exchanger 383-800-231 105 Heat exchanger with condensate dish, assembled (includes items 100, 160, 170 and 180) 383-800-232 110 Heat exchanger, condensate dish, cover plate, burner, igniter, sight glass, refractory, water sensors, gaskets, silicone, and hardware (includes items 100, 130, 140, 160, 170,180, 190
PAGE 8
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Heat exchanger assembly ECO 155 (see Figure 114, page 112 for part numbers) Part number 550-142-122/0513 113
PAGE 9
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Combustion components for ECO 70/110 (see Figure 118, page 115 for illustration) Item Name Description / contents Part Number 100 Relief valve Z[ \]>' ^ 110 Pressure & temperature gauge ] 200 Air inlet silencer Silencer 383-700-155 210 Silencer o-ring O-ring 590-318-049 220 Blower Blower, clip and gasket 383-700-157 230 Blower retainer clip Clip 56
PAGE 10
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Combustion components for ECO 70/110 /155(see Figure 116, page 114 for part numbers) 70/110 155 'O TO WWW WEIL MCLAIN COM TO LOCATE 7EIL -C,AIN DISTRIBUTORS Part number 550-142-122/0513 115
PAGE 11
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Controls and electrical components — ECO 70/110/155 (see Figure 120, page 117 for illustration) Item Name Description / contents Part Number 100 Flue temperature sensor One sensor 511-724-292 110 Outdoor temperature sensor One sensor 510-312-218 120 Transformer 120V/24V 50 VA transformer 511-802-011 130 Display board assembly Includes circuit board and plastic housing 381-330-019 140 Control module as
PAGE 12
TM GAS-FIRED WATER BOILER — Boiler Manual Replacement parts (continued) &IGURE Controls and electrical assemblies — ECO 70/110/155 (see Figure 119, page 116 for part numbers) 'O TO WWW WEIL MCLAIN COM TO LOCATE 7EIL -C,AIN DISTRIBUTORS Part number 550-142-122/0513 117