A boiler control board is one of the pricier individual parts on a hydronic system, and diagnosis matters as much as the part itself before replacing it.
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Quick answer
Boiler control board replacement in New Westminster typically runs $570 to $1,040 for the part and labour, plus a $90 to $150 diagnostic call that is credited toward the repair if you proceed. That is a 2026 public-market ballpark, not a fixed quote, and CANRO's certified gas technicians confirm the actual price after ruling out simpler causes and identifying your exact board and boiler model.
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The control board is the small circuit board that sequences ignition, monitors safety inputs like the pressure switch and flame sensor, and runs the boiler's zone or circulator logic. Because it touches nearly every function on the boiler, a wide range of symptoms, from a unit that will not start to one that starts and immediately locks out, can look like a board problem when the real cause is a failed sensor, a loose wire connector, or a tripped limit switch feeding bad information to a perfectly good board.
This is why a proper diagnosis matters before ordering a control board. Boards are not cheap, they are often model-specific rather than universal, and once ordered and installed they typically cannot be returned, so a technician who checks voltage at each safety input first, rather than swapping the board on a guess, saves the homeowner from paying for a part that was never the problem.
| Item | Typical range |
|---|---|
| Boiler control board (part + labour) | $570–$1,040 |
| Diagnostic/service call, credited toward the repair | $90–$150 |
| Additional technician labour | $95–$165 per hour |
A meaningful share of New Westminster's housing stock, especially in Glenbrooke North and the streets around Queens Park, dates from the early to mid-1900s, and many of these basements run damp in the wet months even with a functioning sump or perimeter drain. Circuit boards do not appreciate persistent humidity, and a board installed in a chronically damp mechanical space can show corrosion on connector pins years before an identical board in a dry, newer mechanical room would. If a technician finds corrosion as the likely cause, addressing basement moisture is worth discussing alongside the repair itself.
A confirmed board failure on a boiler that is otherwise sound, with no history of other major component failures, is usually a straightforward repair worth making since the board cost is a fraction of a full boiler replacement, which runs considerably higher for a new installation. Where it becomes a harder call is an older boiler already showing other age-related symptoms, corrosion, or a heat exchanger that has needed attention, where a technician may walk you through whether continuing to repair makes sense compared with planning for replacement on your own timeline rather than during an emergency.
A useful question to ask during that conversation is how many other components have already been replaced on the same boiler in recent years. A unit that has already had a circulator pump, a gas valve, and now a control board fail within a short span is telling you something about its overall condition, even if each individual repair looked reasonable in isolation, and a technician who has serviced the system before is well placed to give you an honest read on where the boiler sits in its service life.
Safety note
This is a gas-appliance component and installation must be done by a Technical Safety BC licensed gas fitter; CANRO holds gas licence LGA0043870 and boiler licence LBP0046450. If you ever smell gas near the appliance, leave the home immediately and call FortisBC at 1-800-663-9911 from a safe location.
A technician checks voltage and continuity at the safety inputs and outputs first, since a bad flame sensor, pressure switch, or loose connector can mimic a board failure without the board actually being at fault.
They combine several functions on one circuit board and are often specific to a boiler's make and model, so they cost more to manufacture and stock than a simple mechanical part like a valve.
In residential service work, boards are almost always replaced rather than repaired, since board-level electronics repair is not standard practice for field technicians.
Some boards require reconfiguration of settings like zone setup or outdoor reset curves after installation, which your technician handles as part of the job.
That depends on the manufacturer and the boiler's age, since warranty terms and lengths vary, so checking your specific certificate is the right first step.
Most swaps are completed in a single visit once the correct board is on hand, though a board that needs to be special-ordered can add a day or two before the repair itself happens.
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