WEIL-McLAIN AB-80 NG Aquabalance Series 2 Wall Mount Gas-Fired Water Boiler User Manual

WEIL-McLAIN AB-80 NG Aquabalance Series 2 Wall Mount Gas-Fired Water

Boiler

REPLACEMENT PART NUMBERS

WM Technologies part numbers are found in this manual and in Weil-McLain Boilers and Controls Repair Parts Lists.

WHEN OPERATING THE BOILER ON PROPANE GAS

WARNING: ALL boilers must be converted in order to operate with propane gas.
WARNING: Failure to adhere to these guidelines can result in severe personal injury, death or substantial property damage.

Obtain parts only through WM Technologies

Replacement parts must be purchased through a local WM Technologies distributor. When ordering, specify boiler model and size and include description and part 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.

The boiler contains ceramic fiber materials

The boiler contains ceramic fiber materials. Use care when handling these materials per instructions on page 86 of this manual. Failure to comply could result in severe personal injury.

Reinstall jacket door

Inspect boiler jacket door 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

ALWAYS TURN POWER OFF TO THE BOILER TO PREVENT ELECTRICAL SURGES, WHICH CAN DAMAGE BOILER COMPONENTS.

Label wires
Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

Replacement parts

Burner Gasket Premix                1 Piece      Burner Cover Gasket 1 piece

| 640-000-013
180| Burner Cover| 640-000-016
190| Inspection Glass| 640-000-015
200| Kit – Natural Gas Conversion| 640-000-082
210| Kit – Liquefied Petroleum (Propane) Gas Conversion| 640-000-133
220| Gas Valve VK8205V| 640-000-037
230| Circulator UPS2578| 640-000-086
240| Air Separator| 640-000-087
250| Water Pressure Switch| 640-000-019
260| DHW Inlet Pipe| 640-000-098
270| Water Filter| 640-000-027
280| Valve 3-Way| 640-000-088
285| Valve 3-Way Motor| 640-000-134
290| 3-Way Valve-PHE Pipe| 640-000-095
300| N/R Valve Fitting| 640-000-030
310| Flow Meter| 640-000-084
320| Plate Exchanger PFH30| 640-000-089
330| CH Temperature Probe DP| 640-000-034
340| CH Temperature Probe US| 640-000-035
350| DHW Temperature Probe US| 640-000-036
360| Relief Valve 3/4”| 640-000-038
370| NPT Adapters| 640-000-090

380

| Gasket Set

O-Ring 167 ID 63.5mm X 3.53mm NBR 5 pcs      Gasket OD 24 X ID17mm X 2mm 10 pcs O-Ring  21.89mm X 2.62mm EPDM   5  pcs   Gasket OD18.5 X ID12.5mm X 2mm 10  pcs O-Ring  23.81mm X 2.62mm EPDM   5  pcs    Gasket OD14.5 X ID8.5mm X 2mm    10  pcs Gasket OD 12.5mm x ID 8.5mm Silic. 10 pcs Gasket OD45 X ID33.5mmX2mm EPDM 10 pcs

| ****

640-000-101

390| Condensate Drain Trap| 640-000-073
400| Vent Adapters (2 adapters in kit)| 640-000-107
410| Gaskets – Vent Adapter (2 gaskets in kit)| 640-000-108
420| Wall Mount Bracket| 640-000-044
430| Outdoor Temperature Sensor| 640-000-043
440| Heat Exchanger Flow Pipe| 640-000-091
450| CH – Return Pipe| 640-000-097
460| Bypass Pipe| 640-000-093
470| Flow Meter PHE Pipe| 640-000-099
480| DHW Outlet Pipe| 640-000-096
490| Gas Pipe| 640-000-100
500| Heat Exchanger Return pipe| 640-000-092
510| CH Flow Pipe| 640-000-094
520| Gasket – Heat Exchanger Vent| 640-000-136

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