Lesson 1Exhaust, burning air and drip handling: natural vs power exhaust, direct-exhaust vs B-exhaust, drip trap and drain for high-output unitsExplains exhaust choices for gas water heaters, including natural and power exhaust systems, direct and B-exhaust setups, and right drip trapping, balancing, and draining for high-output units in local conditions.
Natural versus power exhaust ideasDirect-exhaust and B-exhaust setupSizing and path exhaust pipingGiving enough burning airDrip trap and drain setupLesson 2Start-up steps: filling and clearing air, drip tests (water and gas), setting heat controls and heat confirm, safety valve work test, burning check basics for gas unitsDetails the full start-up order, including filling and clearing air, water and gas drip testing, heat control setup, heat confirm, safety valve work checks, and basic burning check steps for gas water heaters.
Filling system and clearing trapped airWater and gas drip test waysSetting heat controls and limit toolsConfirming output heat and mixingSafety valve work test wayBasic burning check for gas unitsLesson 3Valves and safety tool setup: separate valves, join/flare spots, safety valve direction and output piping, growth tanks and one-way valvesCovers right choice and spot of separate valves, joins, safety valves, growth tanks, and one-way valves, focusing on direction, support, output path, and rule-follow guard against overpressure and backflow.
Spotting cold and hot separate valvesSetting joins and flare linksSafety valve direction and output pathGrowth tank size and spotOne-way valve choice and backflow controlLesson 4Gas link basics for plumbers: join, shut valve spot, drip test ways (soap mix, gas finder), and working with gas provider/trained setupPresents plumbers to safe gas link ways, covering joins, shut valve spot, allowed drip test ways, records, and working with gas providers or trained gas workers where rules ask.
Spotting device shut valvesSetting joins for service entrySoap mix drip test wayUsing electronic gas drip findersWorking with gas provider or workerLesson 5Power link and working: cutoffs, special circuit needs, confirming electrician work, and confirming connect/earthingCovers power link needs for water heaters, including cutoffs, special circuits, confirming electrician work, checking connect and earthing, and confirming that controls and safety tools get right power.
Spotting needed circuit sizeSpotting and labeling cutoffsConfirming electrician base workChecking connect and earthing pathsConfirming control and sensor powerLesson 6Pre-setup ready: permits, site checks, service separate order, and needed tools/items listOutlines pre-setup jobs like confirming permits, reviewing site states, confirming spaces, planning service separate, and gathering full tools and items list to avoid waits and safety issues.
Confirming permits and recordsChecking site entry and spacesConfirming water, gas and power readyPlanning safe service separate orderTools and items list readyLesson 7Cold/hot pipe work: pipe material choices (copper, PEX, CSST thoughts), basic size tables, branching to two rooms, kitchen, wash, and loop choicesLooks at hot and cold pipe layout for water heaters, including pipe material choices, basic size guides, path to rooms, kitchen and wash, and choices for loop paths to better hot water reach times.
Picking copper, PEX or other materialsUsing basic pipe size tables safelyBranching to rooms and kitchen loadsSupplying wash and extra devicesDesigning simple loop pathsLesson 8Records and hand-over: labeling, built notes, safety marks, and owner-run guide sheetExplains how to ready clear, rule-follow records at end, including true built notes, lasting labels, safety and warn marks, and a real owner run and upkeep guide to back safe long system use.
Making clear built system plansLabeling valves, circuits and separate pointsPutting safety, warn and danger marksReady owner run and upkeep sheetRecording serial numbers and guarantee infoLesson 9Safe removal of old gas storage heater: lowering gas pressure, draining tank, cutting utilities, handling and discard of rusted gearDescribes safe ways for closing and removing old gas storage heater, including lowering gas pressure, draining tank, cutting utilities, handling rust, and setting rule-follow move and discard.
Shutting and separating the heaterLowering pressure and capping gas linesDraining and cleaning the storage tankCutting water and power feedsHandling rusted or harmed partsMove and discard needs
