What goes into replacing an aging Navien NCB-H combi boiler in a Pitt Meadows home, from sizing to permits to install day.
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Quick answer
Replacing a Navien NCB-H in Pitt Meadows usually gets scheduled once repair costs stack up on a unit past 12–15 years, or after a heat exchanger fails. The process runs from an in-home assessment through permitting with the City of Pitt Meadows to a one-to-two-day install, priced as a 2026 ballpark and confirmed after that assessment.
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The clearest signal is a repair bill that keeps growing — a control board this year, a circulator pump the year before, and now a heat exchanger quote that costs nearly as much as a new unit. At that point the math tips toward replacement.
In Pitt Meadows specifically, we also see units installed in the earlier 2000s subdivision boom now reaching an age where manufacturers stop stocking every part readily, which stretches out repair timelines and pushes homeowners toward replacing rather than waiting on a backordered component.
Homes on the flatter, lower-lying parts of Pitt Meadows near the dike sometimes have mechanical rooms with higher humidity, which matters for venting material and placement on the new install. Newer Bonson-area homes usually have a more accessible mechanical room and a more straightforward swap, while older farmhouse-style properties can need extra work adapting gas line routing or venting to current code.
Because a fair amount of the local housing stock is only fifteen to twenty years old, most replacement calls here are for a first-generation combi unit reaching the end of its practical service life rather than a much older cast-iron system — which usually means a more predictable, lower-surprise install.
A straightforward boiler install runs $6,500–$14,000+, and a full replacement of an existing system runs $7,500–$15,000+, depending on venting changes, gas line work, and access. These are 2026 public-market ballparks, not a quote — CANRO's certified technicians confirm the number for your home after the in-person assessment.
| Scope | Ballpark |
|---|---|
| New boiler install | $6,500–$14,000+ |
| Full system replacement | $7,500–$15,000+ |
| Gas permit | $75–$200 |
Sticking with a combi unit that heats water and space off one heat exchanger makes sense for most Pitt Meadows homes with moderate hot-water demand. Larger households or homes with more fixtures running at once may be better served by a different configuration — that's a conversation to have with your technician during the assessment rather than a decision to make from a brochure, since matching output to your actual home avoids under- or over-sizing either way.
Safety note
If you smell gas, hear an unusual popping or rumbling from the boiler, or see soot near the vent, leave the house and call FortisBC's emergency line at 1-800-663-9911 before doing anything else. Do not try to relight a boiler that has shut itself down repeatedly.
Most straightforward swaps take one day; jobs needing new venting runs or gas line changes can take two.
Yes, gas and venting work always requires a permit through the City of Pitt Meadows, pulled before the job starts.
For a newer unit with one failed part, repair is usually cheaper. Once repairs stack up or a heat exchanger fails, replacement is typically the better value.
Sometimes. Code and clearance requirements can change between when your old unit was installed and today, so the assessment includes a venting review.
In most cases yes, but your technician will talk through whether your household's hot-water use is still a good match before recommending the same configuration.
It's removed and disposed of as part of the install; there's nothing further for the homeowner to arrange.
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