When a Pitt Meadows furnace tries to light and quietly gives up, a tired hot-surface ignitor is one of the first things a CANRO technician checks and tests.
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Quick answer
A furnace ignitor is the small ceramic element that gets hot enough to light the burners each time the thermostat calls for heat, and it does that job dozens of times a day through a Pitt Meadows winter. Because it heats and cools on every single cycle, it wears out gradually rather than all at once, and a cracked or electrically weak ignitor is one of the most common reasons a furnace won't fire. A technician confirms the fault with a meter rather than guessing, since a failed control board or gas valve can produce the same no-light symptom.
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Most furnaces installed in Pitt Meadows over the last couple of decades use a hot-surface ignitor: a small silicon-nitride or carbide element that the control board powers up before it opens the gas valve. Once the element glows hot enough, gas flows across it and the burners catch. There's no pilot light staying lit around the clock on this style of furnace, so the ignitor carries the entire job of starting combustion, cold, from scratch, on every heating cycle.
That repeated heat-up and cool-down is exactly what eventually kills the part. It isn't a defect when an ignitor finally fails after years of service; it's a wear component doing exactly what it was built to do until it simply runs out of cycles.
None of those on its own proves the ignitor is the problem. An element can look perfectly intact and still have failed electrically inside, which is why a resistance check with a meter matters more than a visual look.
Pitt Meadows sits low on reclaimed floodplain between the Pitt, Fraser and Alouette Rivers, and a lot of the housing stock here reflects that: many homes were built with crawl spaces or slab-on-grade mechanical rooms rather than a full basement, because of how high the water table sits. A furnace tucked into a garage or a raised crawl space is exposed to more temperature and humidity swings than one sitting in a conditioned basement, and that environment isn't kind to an ignitor's ceramic element over the years.
Add in the valley fog that settles over this stretch of the Fraser lowlands on cold, still mornings, and furnaces here often work through more start-stop cycles overnight than homes closer to the water. Newer construction around South Bonson and near the West Coast Express station frequently includes a secondary suite or a coach home sharing one system, which adds even more cycles across a winter.
With the furnace powered down and the burner compartment open, the ignitor's resistance gets measured against what's normal for that element type. An open circuit or an out-of-range reading points to a failed part. If the ignitor tests fine, the check moves on to the control board's output to the ignitor circuit, the flame sensor, and the gas valve response, because more than one fault can produce an identical no-light complaint.
An ignitor itself doesn't get repaired once it fails a test; it gets swapped for a compatible replacement part. The real judgement call is whether this is an isolated wear issue on an otherwise sound furnace, or the second or third unrelated fault on a much older unit. A CANRO technician will tell you plainly which situation you're in rather than just handing you a bill for the part.
CANRO's technicians hold Technical Safety BC gas licensing and work on furnaces across Pitt Meadows, from farm properties out toward Neaves Road and Rannie Road to newer subdivisions closer to the Lougheed Highway. Pricing for the part and labour is confirmed by our office after a short conversation about the symptom, and any repair is quoted before work begins.
Safety note
The ignitor sits right beside the open burners, so testing and replacing it is gas-fitting work and not a homeowner project. If you ever smell gas near the furnace, leave the house immediately and call FortisBC's emergency line at 1-800-663-9911 from outside.
The classic sign is the furnace going through its start-up sequence, the inducer running, but the burners never catching. That's a strong clue, but a technician still tests the part directly since a control board or gas valve fault can look similar from the outside.
No. Ignitors sit directly in the combustion chamber next to the gas burners, and working there safely means shutting down and testing the gas and electrical systems correctly, which is licensed gas-fitting work in BC.
A marginal ignitor that still works most of the time can fail more often once it's fighting a cold start on a frosty Pitt Meadows morning, since a weaker element struggles more to reach lighting temperature quickly.
Yes. If the ignitor is one of several ageing components failing in sequence, we'll say so honestly rather than just replacing the part in front of us and leaving the bigger picture unmentioned.
Once the fault is confirmed, swapping a compatible ignitor is normally a same-visit repair, though total time on site depends on how accessible your particular furnace and burner compartment are.
Most equipment installed in the last couple of decades uses a hot-surface ignitor, but some older units still run a different ignition style, which is one more reason a technician confirms the exact part before ordering anything.
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