Lesson 1Venting, combustion air an' condensate handling: atmospheric vs power venting, direct-vent vs B-vent, condensate trap an' drain fi condensing unitsExplains venting options fi gas water heaters, including atmospheric an' power vent systems, direct-vent an' B-vent configurations, an' correct condensate trapping, neutralizing, an' draining fi high-efficiency condensing units.
Atmospheric versus power vent conceptsDirect-vent an' B-vent configurationSizing an' routing vent pipingProviding adequate combustion airCondensate trap an' drain installationLesson 2Commissioning steps: filling an' purging air, leak tests (water an' gas), setting thermostats an' temperature verification, TPR valve functional test, combustion analysis basics fi gas unitsDetails di full commissioning sequence, including filling an' purging air, water an' gas leak testing, thermostat setup, temperature verification, TPR valve functional checks, an' basic combustion analysis steps fi gas-fired water heaters.
Filling system an' purging trapped airWater an' gas leak testing proceduresSetting thermostats an' limit controlsVerifying outlet temperature an' mixingTPR valve functional test procedureBasic combustion analysis fi gas unitsLesson 3Valves an' safety device installation: isolation valves, union/flare provisions, TPR valve orientation an' discharge piping, expansion tanks an' check valvesCovers correct selection an' placement of isolation valves, unions, TPR valves, expansion tanks, an' check valves, focusing on orientation, support, discharge routing, an' code-compliant protection against overpressure an' backflow in hot water systems.
Locating cold an' hot isolation valvesInstalling unions an' flare connectionsTPR valve orientation an' discharge routingExpansion tank sizing an' placementCheck valve selection an' backflow controlLesson 4Gas connection basics fi plumbers: union, shutoff valve placement, leak testing methods (soapy solution, gas detector), an' coordinating wid gas supplier/licensed installersIntroduces plumbers to safe gas connection practices, covering unions, shutoff valve placement, approved leak testing methods, documentation, an' coordination wid gas suppliers or licensed gas fitters where regulations require.
Locating appliance shutoff valvesInstalling unions fi service accessSoapy solution leak testing methodUsing electronic gas leak detectorsCoordinating wid gas supplier or fitterLesson 5Electrical interface an' coordination: disconnects, dedicated circuit needs, verifying electrician work, an' verifying bonding/groundingCovers electrical interface requirements fi water heaters, including disconnects, dedicated circuits, verifying electrician work, checking bonding an' grounding, an' confirming dat controls an' safety devices receive correct power.
Identifying required circuit capacityLocating an' labeling disconnectsVerifying electrician rough-in workChecking bonding an' grounding pathsConfirming control an' sensor powerLesson 6Pre-installation preparation: permits, site checks, service isolation sequence, an' required tools/materials checklistOutlines pre-installation tasks such as confirming permits, reviewing site conditions, verifying clearances, planning service isolation, an' assembling a complete tools an' materials checklist to avoid delays an' safety issues.
Confirming permits an' documentationAssessing site access an' clearancesVerifying water, gas an' power availabilityPlanning safe service isolation sequenceTools an' materials checklist preparationLesson 7Cold/hot plumbing work: pipe material choices (copper, PEX, CSST considerations), basic sizing tables, branching to two bathrooms, kitchen, laundry, an' recirculation optionsExplores hot an' cold plumbing layout fi water heaters, including pipe material choices, basic sizing references, routing to bathrooms, kitchen an' laundry, an' options fi recirculation loops to improve hot water delivery times.
Selecting copper, PEX or other materialsUsing basic pipe sizing tables safelyBranching to bathrooms an' kitchen loadsSupplying laundry an' auxiliary fixturesDesigning simple recirculation loopsLesson 8Documentation an' handover: labeling, as-built notes, safety stickers, an' owner-operational guidance sheetExplains how to prepare clear, compliant documentation at completion, including accurate as-built notes, durable labels, safety an' warning stickers, an' a practical owner operation an' maintenance guide to support safe long-term system use.
Creating clear as-built system schematicsLabeling valves, circuits an' isolation pointsApplying safety, warning an' hazard stickersPreparing owner operation an' maintenance sheetRecording serial numbers an' warranty dataLesson 9Safe removal of an old gas storage heater: depressurizing gas, draining tank, disconnecting utilities, handling an' disposal of corroded equipmentDescribes safe procedures fi decommissioning an' removing an old gas storage heater, including depressurizing gas, draining di tank, disconnecting utilities, managing corrosion, an' arranging compliant transport an' disposal.
Shutting down an' isolating di heaterDepressurizing an' capping gas linesDraining an' flushing di storage tankDisconnecting water an' electrical feedsHandling corroded or damaged componentsTransport an' disposal requirements
