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Regular service visits reveal issues that don't show symptoms yet. Here are the conditions our technicians find most often during annual water heater service appointments.

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Water Heater Anode Rod Depleted

The anode rod is a sacrificial metal component that protects the steel tank from corroding internally. Once it depletes completely, the tank becomes the next target for oxidation and the hot water often begins carrying a metallic or sulfur smell. We inspect the anode rod at every service visit and replace it when it has worn below the threshold where it can still provide meaningful protection.

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Water Heater Sediment Buildup on Tank Floor

Calcium and mineral deposits from the water supply accumulate on the tank floor over time and harden into a layer that insulates the burner from the water it needs to heat. This forces longer run cycles, higher gas consumption, and produces the rumbling or popping sounds homeowners often describe. We flush sediment during every service visit before it reaches the point where it can no longer be meaningfully removed.

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Water Heater Pressure Relief Valve Not Seating

A pressure relief valve that activates during testing but will not fully reseal afterward is a safety concern that needs immediate attention. It may allow a continuous small drip, fail to activate when actually needed, or allow operating pressure to exceed safe limits over time. We test every pressure relief valve during service and replace valves that fail to function correctly.

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Water Heater Thermostat Running Too Hot or Too Cold

A thermostat that has drifted above or below its original calibration causes the unit to either overheat the water, raising energy costs and safety concerns, or fall short of a comfortable temperature even during low-demand periods. We check and recalibrate the thermostat during every service visit to confirm the unit is operating within the correct and safe temperature range.

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Water Heater Gas Connection Corroded or Loose

Gas supply connections at the water heater can develop corrosion, slight looseness, or wear at the flexible connector over years of thermal cycling. These issues do not always produce an obvious symptom until they have progressed, but they can affect burner performance and, in advanced cases, create a gas leak. We inspect all gas-side connections during service and flag anything that warrants correction.

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Water Heater Vent Obstructed or Separated

Flue pipes can accumulate debris, develop rust at the lining, or separate at joints over time. A partially blocked or disconnected venting path reduces exhaust flow and, in serious cases, allows combustion gases to enter the living space. We inspect the full venting path from the unit to the termination point and address any obstruction or separation during the service visit.

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Water Heater Showing Early Exterior Moisture

Small amounts of moisture at the base of the tank, around fittings, or near the drain valve can indicate a developing leak before it becomes visible dripping. Catching this early during a service visit allows for a fitting repair or a conversation about the unit's remaining lifespan before the situation becomes urgent. We include a visual inspection of the full tank exterior and surrounding area in every service appointment.

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Water Heater Not Serviced in Over a Year

A water heater that has gone more than a year without professional service may have anode rod depletion, sediment accumulation, and gas connection wear that compound quietly. The risk of a mid-season breakdown or premature tank failure increases with each season skipped. We assess the full unit condition during a catch-up service visit and address what needs correction.

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Hot Water Smelling or Discolored

A sulfur or metallic smell from hot water taps is usually a sign that the anode rod has depleted and can no longer protect the tank lining. Rust-colored water on the hot side points to a corroding tank interior, which is a more serious condition. We assess both situations and explain clearly whether the unit can be serviced or whether replacement is the more practical path.

Reviews

What Our Customers Say

★★★★★

Caught our anode rod before it fully depleted

We had no idea the anode rod even existed until Gas Services Edmonton checked ours during the annual visit and found it was down to about 30 percent. Glad they replaced it before it became a bigger problem.

★★★★★

Thorough and explained everything clearly

The technician walked me through the flush, the anode rod check, and the safety valve test step by step. No pressure to book anything extra, just a clear written summary at the end of the visit.

★★★★☆

Good service, took a bit longer than quoted

Our tankless unit needed a bit more time for the descaling solution to circulate properly, so the visit ran about 45 minutes past the estimate. Worth it though, since the unit is running noticeably better now.

★★★★★

First service in years and no surprises

We hadn't had the tank serviced since it was installed years ago and I was worried about what they might find. The technician from Gas Services Edmonton flushed a surprising amount of sediment out but confirmed the tank itself was still in great shape.

★★★★★

Scheduled annual reminder and it actually works

Gas Services Edmonton set us up on an annual reminder so we don't forget next year. The technician also mentioned our water is on the harder side and recommended checking the anode rod a bit more frequently going forward.

★★★★★

Noticed a difference in hot water right away

Our hot water had been running out faster than it used to and I assumed the tank was just getting old. After the flush and service, it lasts noticeably longer again. Wish we had booked sooner.

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