A cracked or disintegrating dip tube in a Coquitlam gas water heater is generally a $150–$650 repair, well below tank replacement.
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Quick answer
Replacing a dip tube on a gas storage water heater in Coquitlam typically falls within the $150–$650 water heater repair range, plus a $90–$150 service call and $95–$165 an hour in licensed labour where that isn't already part of a flat quote. Those figures are a 2026 public-market ballpark, not a set price — CANRO's certified gas technicians confirm the actual cost once they've drained the tank enough to inspect and pull the old tube. It's a relatively straightforward part to replace on its own, so most jobs land toward the lower half of that range unless something else needs attention at the same time.
Need a licensed gas fitter for your tank water heater? Call CANRO at (604) 359-1081 — residential natural-gas heating and hot water across Metro Vancouver since 1999.
Cold water enters a storage water heater through a fitting at the top of the tank, but it needs to reach the bottom to be heated properly rather than mixing straight into the hot water sitting near the top outlet. The dip tube is the plastic pipe that runs from the cold inlet fitting down to near the bottom of the tank, directing incoming cold water where it belongs.
When a dip tube cracks, disconnects, or breaks apart with age, cold water starts entering near the top of the tank instead of the bottom. The result is usually noticeably shorter hot water availability, because incoming cold water is mixing directly with the hot water that's ready to be used, rather than getting a proper trip through the heating cycle.
| Item | Typical cost (CAD) |
|---|---|
| Diagnostic / service call (often credited toward the repair) | $90–$150 |
| Licensed labour | $95–$165 per hour |
| Dip tube replacement (part of the general water heater repair range) | $150–$650 |
That's a ballpark from 2026 public market data, not a quote. A dip tube swap on its own is usually a shorter job than most repairs in that range — CANRO's certified gas technicians will give you the actual number after a short assessment of your specific tank.
Shortened hot water supply gets blamed on an undersized tank or an aging burner more often than it should. A dip tube problem is one of the cheaper explanations, and it's worth ruling out before assuming the whole water heater needs replacing, especially on a tank that's otherwise performing normally in every other respect. If the tank is old enough that other issues are also likely, a technician can look at the full picture rather than just the dip tube in isolation.
Coquitlam's water, largely sourced through the Metro Vancouver system with a share coming from the Coquitlam Watershed, is comparatively soft, which isn't a major factor in dip tube failure — that's mostly about the age and plastic formulation of the part itself rather than water chemistry. Older homes in Maillardville, Central Coquitlam, and Austin Heights are more likely to still have an original tank old enough for this to come up; newer builds on Burke Mountain and Westwood Plateau are less likely to see it yet.
Gas fitting work on a water heater falls under Technical Safety BC licensing, and any related permit for plumbing or gas work in the city goes through Coquitlam's building services department.
Safety note
A dip tube itself isn't a gas or combustion part, but it's inside a gas-fired appliance, and the work to access it involves the same tank fittings used for gas and venting connections. If at any point during service you notice a gas smell or the pilot won't relight properly, leave the area and call FortisBC at 1-800-663-9911. Any work touching the gas side of a water heater should be done by a Technical Safety BC licensed gas fitter.
A dip tube problem usually shows up as hot water running out fast even though the tank still gets properly hot, while a thermostat issue tends to show up as water that never gets hot enough in the first place. A technician can confirm with a quick check.
Fragments can occasionally lodge in faucet aerators, shower heads, or valve screens, which is usually a simple cleanout rather than a repair, but it's worth mentioning to your technician so fixtures can be checked.
If the tank is otherwise in good shape, yes — it's a relatively low-cost fix that can restore normal hot water performance. On a tank near the end of its service life, it's worth discussing alongside the bigger picture.
Standard gas storage tank water heaters do. Tankless units heat water on demand and don't use a dip tube in the same way.
It restores the tank's designed capacity rather than adding new capacity — if the dip tube was failing, you'll likely notice hot water lasting as long as it originally did.
It's typically one of the quicker water heater repairs, often completed within an hour or so once the technician is on site, assuming no complications with the fitting.
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