A pilot that keeps going out on a Port Moody gas water heater is one of the most common no-hot-water calls, and often one of the cheaper fixes.
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Quick answer
Replacing the pilot assembly, which typically centres on the thermocouple, on a residential gas water heater in Port Moody generally costs $150–$275 for the part and labour. This is a ballpark based on 2026 public market data for the Lower Mainland, not a fixed quote, since the exact scope depends on whether the thermocouple alone or the broader pilot burner also needs attention. CANRO's certified gas technicians confirm the exact price after testing the pilot assembly in person.
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The pilot assembly is the small standing flame and its supporting hardware that stays lit continuously on many gas water heaters, ready to ignite the main burner whenever the thermostat calls for heat. At the heart of the assembly is the thermocouple, a small sensor that proves the pilot flame is actually burning; if the thermocouple does not sense the flame, the gas control valve shuts off gas to the whole burner system as a safety measure, even if the pilot is genuinely lit.
Because the thermocouple is a wear item exposed to constant heat, it is one of the most frequently replaced parts on any standing-pilot gas water heater, and pilot assembly issues in general are among the most common reasons homeowners call about a tank that suddenly has no hot water.
This is one of the more affordable individual component repairs on a water heater, with its own published ballpark centred on the thermocouple:
| Line item | Typical range (CAD) |
|---|---|
| Service call / diagnostic | $90–$150, usually credited toward the repair |
| Licensed labour | $95–$165 per hour |
| Thermocouple or pilot assembly, parts and labour combined | $150–$275 |
These are 2026 public-market ballpark figures for the region, not a quote for your specific tank. CANRO's certified gas technicians confirm the exact price once they have tested the pilot and thermocouple directly.
A pilot or thermocouple issue is, on its own, one of the clearest repair-not-replace situations on a gas water heater, since it is an inexpensive part relative to the cost of a new tank and does not indicate anything wrong with the tank itself. The only time this becomes part of a bigger conversation is if the pilot keeps failing repeatedly even after a fresh thermocouple, which can point to a draft problem, a venting issue, or a failing gas control valve behind it — in which case your technician will widen the diagnosis rather than simply replacing the same part again.
Port Moody sits at the head of Burrard Inlet with hills rising up toward Heritage Mountain and the Anmore border, and that geography gives it a noticeably damper microclimate with more rainfall than neighbouring Coquitlam and Port Coquitlam. Persistent dampness around a mechanical closet, particularly in older homes near Moody Centre, can occasionally contribute to draft issues that affect a standing pilot's reliability, which is worth mentioning to your technician if pilot outages seem to track with wet weather.
This is direct work on the gas ignition system, so it must be performed by a Technical Safety BC licensed gas fitter. It does not typically require a City of Port Moody permit for a like-for-like part replacement.
Safety note
The pilot assembly and thermocouple are part of the gas ignition and safety shutoff system, so this repair must be performed by a Technical Safety BC licensed gas fitter, and pilot lighting instructions should always be followed exactly as printed on the appliance. If you ever smell gas while attempting to relight a pilot, stop immediately, leave the home, and call FortisBC's emergency line at 1-800-663-9911.
A worn thermocouple that no longer reliably senses the pilot flame is the most common cause, and it is a straightforward, inexpensive part to replace once confirmed by testing.
Following the manufacturer's printed lighting instructions is generally safe, but if the pilot will not stay lit after a couple of attempts, stop and call a licensed technician rather than continuing to relight it repeatedly.
Yes, a draft near the burner compartment can blow out a marginal pilot flame, which is one of several possible causes your technician will check alongside the thermocouple itself.
It is typically one of the quickest water heater repairs, often well under an hour once the burner compartment access panel is open.
Not at all — thermocouples wear out on tanks of any age and are considered routine maintenance items, not a sign the tank itself is failing.
If a fresh thermocouple does not resolve the issue, your technician will look further at the gas control valve, the pilot tubing, or a venting draft problem, since the failure may not be isolated to the thermocouple after all.
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