What a power vent blower replacement typically runs in White Rock, and what actually moves that number up or down.
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Quick answer
Replacing a power vent blower on a tank water heater in White Rock typically runs $150 to $650, on top of the standard $90 - $150 (usually credited to the repair) diagnostic visit. That figure is a ballpark built from 2026 public market data, not a quote -- the exact number comes once one of CANRO's certified gas technicians has had a short look at the installation. That range covers the part and labour only -- Treat any gas odour as an emergency: leave the house and call FortisBC's line at 1-800-663-9911 immediately, well before worrying about which part needs replacing.
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A power-vent tank uses a small electric blower to push exhaust out through a side wall instead of relying on a straight vertical flue, which is what lets these tanks go into interior closets and basements that would never support a natural draft chimney. That blower has to run at the right speed and pressure every time the burner fires, and most units use a pressure switch to confirm it is actually moving air before the gas valve is allowed to open.
Here is roughly how a power vent blower replacement bill breaks down for a White Rock home. That figure is a ballpark built from 2026 public market data, not a quote -- the exact number comes once one of CANRO's certified gas technicians has had a short look at the installation.
| Line item | Typical range (CAD) |
|---|---|
| Service call / diagnostic | $90 - $150 (usually credited to the repair) |
| Licensed labour | $95 - $165 per hour |
| Power vent blower, part and labour | $150 - $650 |
The final number depends on your specific unit, its age, and how the technician finds things once the cover is off, which is why an in-person assessment matters more than any published range.
A few practical factors push a job toward the low or high end of that range:
A failed blower motor is a standard repair on an otherwise sound power-vent tank, and swapping it restores normal operation without touching anything else on the unit. The harder call comes on an older power-vent tank where the blower is the second or third component to fail in a short span -- at that point the parts cost starts to compete with a meaningful share of a new unit's price, and it is worth weighing the repair against replacement rather than just chasing the next failed part.
The technician confirms power to the blower, checks the pressure switch reading with the blower running, and inspects the vent termination outside for blockage or debris before condemning the blower itself. If the motor is confirmed bad, it is replaced with a manufacturer-matched part, the vent connections are resealed, and the unit is run through a full firing cycle to confirm the pressure switch closes properly and the burner lights and stays lit.
Salt-laced marine air off Semiahmoo Bay is a real factor here -- anything mounted outside, or sitting in an exposed vent run near the water, tends to corrode faster than the same part would inland. The city drops steeply from the uplands near King George Boulevard down to the waterfront, and that terrain means basements, crawlspaces and walk-out utility rooms sit at very different heights depending on where the lot falls on the slope.
Safety note
Treat any gas odour as an emergency: leave the house and call FortisBC's line at 1-800-663-9911 immediately, well before worrying about which part needs replacing.
Power-vent tanks use a blower so they can vent horizontally through a side wall instead of needing a vertical chimney, which is common in interior closets and basements without an existing flue.
A loud or grinding blower is usually a mechanical warning sign worth addressing before it fails outright and leaves you without hot water, though it is not itself a gas safety emergency unless paired with a gas smell.
You can visually check that the outside vent cap is not blocked by snow, leaves, or a bird's nest, but diagnosing whether the blower or the pressure switch is at fault needs a technician.
That is a classic sign the pressure switch is not seeing enough airflow from the blower, whether that is a weak motor or a restriction somewhere in the vent run.
They can, since they have an extra electrical and mechanical component that atmospheric-vent tanks do not, but the blower itself is still a routine, well-stocked part.
There's no fixed schedule -- it depends on usage and vent configuration, so it's best judged by how the unit is actually running rather than by age alone.
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