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From ignition failures to refrigerant faults, these are the repairs our technicians complete most often for homeowners across Edmonton.

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Pool Heater Igniter Failed or Worn Out

A worn igniter is the most common reason a gas pool heater will not light. The igniter degrades gradually through repeated spark cycles and often fails at the start of a new season after months of inactivity. Attempting to run a heater with a failed igniter causes repeated unsuccessful ignition attempts that stress the gas valve and burner components. We test the igniter output, confirm the full ignition sequence, and replace the igniter with a compatible unit before testing the complete firing cycle.

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Pool Not Heating as Fast as Before

Mineral deposits from pool water accumulate inside the heat exchanger tubes over time, reducing water flow, lowering heat transfer efficiency, and triggering the high-limit switch. Cracking from thermal stress is also common in older units. Both conditions reduce heating output and can create combustion safety issues if left unaddressed. We inspect the heat exchanger visually and through pressure testing, clean scaling deposits where viable, and advise on replacement when cracking is confirmed.

Heat Pump Pool Heater Compressor Won't Start

The run capacitor on a heat pump pool heater gives the compressor the electrical boost it needs to start and maintain correct operating speed. A failed capacitor causes the compressor to draw excessive current, fail to reach full pressure, or refuse to start at all. This is one of the most common and most repairable heat pump faults. We test capacitor output against rated specifications and replace it on the same visit when it falls outside the acceptable range.

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Pool Heater Gas Valve Not Opening or Sealing

The gas valve controls fuel delivery to the burner and must open precisely on ignition command and seal completely when the burner shuts off. A valve that sticks, opens partially, or fails to close creates either an ignition failure or a gas leak condition. Both require immediate professional attention. We test valve operation under controlled conditions, confirm gas pressure at the inlet and outlet, and replace the valve when it fails to meet operational specifications.

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Pool Heater Shutting Down Despite Normal Water Flow

Pool heaters use flow sensors to confirm adequate water circulation before allowing the burner to fire. A sensor that drifts out of calibration or accumulates debris can trigger a low-flow lockout even when water pressure is normal, preventing the heater from running at all. We test actual flow against the sensor reading, clean or replace the sensor as appropriate, and verify that the heater cycles correctly under normal operating water pressure.

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Heat Pump Pool Heater Not Heating

The evaporator coil on a heat pump pool heater absorbs heat from outdoor air and transfers it to the refrigerant circuit. When the coil surface is fouled with leaves, pollen, dust, or grass clippings, airflow is restricted and heat absorption drops sharply. The heat pump runs longer cycles with far less output. We clean the coil surface carefully to restore full airflow, then test heating output to confirm the unit is back to rated capacity.

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Pool Temperature Not Reaching Set Point

A thermostat that reads several degrees above or below the actual water temperature causes the heater to shut off before reaching the set point or overheat the pool before cutting out. Calibration drift is common in older thermostats, and sensor corrosion can accelerate the problem. We test thermostat accuracy against actual water temperature using a calibrated probe and replace or recalibrate the unit when the reading error exceeds acceptable tolerance.

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Pool Heater Making Unusual Sounds

Banging from a gas pool heater usually means delayed ignition, where gas accumulates in the combustion chamber before the igniter sparks. This creates a pressure event that can crack the heat exchanger over time. Rattling or vibration on a heat pump often points to a loose fan motor mount or a bearing beginning to fail. We identify the noise source, confirm whether it indicates an immediate safety issue, and complete the repair before the fault progresses further.

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Pool Heater Won't Start After Winter

A heater that shut down normally in the fall but will not restart in spring has often been affected by freeze damage, condensation reaching electrical connections over winter, or a control board that failed during storage. This is one of the most common calls we receive at the start of pool season. We inspect the full system at startup, identify what failed over winter, and get the heater running before the season is underway.

Reviews

What Our Customers Say

★★★★★

Fixed our igniter same day

Our heater stopped lighting right in the middle of a heat wave. The technician from Gas Services Edmonton found a cracked igniter within twenty minutes and had a replacement on the truck. Pool was warm again that evening.

★★★★★

Caught a corrosion problem early

I called about weak heating and expected a simple fix, but the technician noticed early corrosion on the heat exchanger and explained what was causing it. Gas Services Edmonton adjusted our water chemistry along with the repair. Glad they caught it before it got worse.

★★★★☆

Good repair, part took a few extra days

The diagnosis was quick and accurate, but our control board had to be special ordered since our heater is an older model. Took about four extra days total, but the repair has held up perfectly since.

★★★★★

Honest about repair versus replacement

I assumed our fifteen year old heater was done for, but the technician explained the heat exchanger was still solid and the fix was just a sensor. Saved us a lot of money compared to the replacement quote we got elsewhere.

★★★★★

Explained the whole diagnosis clearly

The technician walked me through exactly what was tested before touching anything, which I really appreciated. Turned out to be a simple flame sensor issue. Everything was fixed within the hour and the heater has run great since.

★★★★★

Saltwater compatibility check was a relief

We have a saltwater pool and were worried the heater damage was related to that. Gas Services Edmonton confirmed our unit's compatibility and fixed the actual issue, which was unrelated corrosion from an old plumbing fitting. Would call them again without hesitation.

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