Weil-McLain 80, 230, 310, 105, 155 manual Replacement parts

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9 GAS-FIRED WATER BOILER — Boiler Manual

Replacement parts

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 using modified or other manufactured parts will not be covered by warranty and may damage boiler or impair operation.

Weil-McLain part numbers are found in Weil-McLain Boilers and Controls Repair Parts Lists.

The boiler contains ceramic fiber materials. Use care when handling these materials per instructions on page 29 of this manual. Failure to comply could result in severe personal injury.

Replace boiler jacket front door after startup or servicing

Replace boiler jacket front door after start or servicing. The boiler front 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 door securely fastened could result in severe personal injury or death.

Miscellaneous parts and kits

Part number 550-101-233/0903

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Contents Gas-fired water boiler HOW IT Works GAS-FIRED Water BOILER, with PhD Technology Hazard definitions ContentsBoiler water When servicing boilerPlease read before proceeding Boiler operationProvide clearances Installations must comply withPrepare boiler location Before locating the boiler, checkVent and air piping Residential garage installationFlooring and foundation Provide air openings to roomSeal any unused openings in the common venting system When removing a boiler from existing common vent systemPrevent combustion air contamination Prepare for propane if operating on propane Ultra-80 Prepare boilerRemove boiler from crate Set boiler in place and check level Prepare for propane if operating on propane Ultra-155 toPlacing floor-mounted boilers Placing wall-mounted boilersDrain and remove fittings Perform hydrostatic pressure testPrepare boiler for test Fill and pressure testGeneral piping information Install water pipingInstall relief valve Additional controls, when requiredSizing space heat system piping System water piping methodsCirculators Required boiler water flow rate, GPM, at 180F Sizing DHW system pipingControlling the system circulator Zoning with zone valvesConnect boiler to system as shown in when Zoning with circulators Radiant heating applications Setting boiler outlet water target temperatureChilled water system plus optional Chilled water systemsPrepare condensate fittings Install vent and combustion air pipingVenting, combustion air & condensate line Condensate drain Ultra-80 Connect condensate drainWall-mounted boilers Connecting gas supply pipingGas piping Natural gas supply pressure requirements Natural GasPropane Gas Pipe sizing for natural gasFill and test water system Freeze protection when usedStartup Check/control water chemistryTo start the boiler Check for gas leaks Final checks before starting boilerCheck thermostat circuits Inspect/fill condensate systemCheck flame & combustion Adjust and test boiler controlsCheck system and boiler Check-out/startup verification Check-out/startup verification Installation certificate Service and maintenance schedules Annual startup and general maintenanceHandling ceramic fiber materials Annual startupCheck air openings Clean condensate trapCheck water system Check all piping for leaks Check expansion tankCheck boiler relief valve Check ignition ground wiringCheck all boiler wiring Check control settingsCheck burner flame Check flame signalCheck flue gas temperature Perform startup and checksReplace boiler jacket front door after startup or servicing Maintenance generalGeneral maintenance Cleaning boiler heat exchangerExchanger cleaning ALL models Maintenance and annual startupAccess exchanger Ultra-155, -230, -310 Only Replacement parts Jacket parts Replacement parts Heat exchanger and piping Ultra-80 Replacement parts Heat exchanger and piping Ultra-155 to Replacement parts Controls Dimensions DOE Ratings

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