CANRO Heating & Cooling repairs, maintains and replaces Weil-McLain EG Series cast-iron gas boilers across Greater Vancouver, with same-day diagnostics from our Burnaby shop.
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Quick answer: CANRO Heating & Cooling, a Burnaby-based independent licensed contractor (Technical Safety BC gas licence LGA0043870), services Weil-McLain EG Series cast-iron gas boilers throughout Greater Vancouver. We handle repair and diagnostics, parts replacement, annual maintenance, and full replacement of aging EG boilers, with same-day and after-hours availability during cold snaps. Call (604) 359-1081 for a diagnostic visit and a free written quote.
Want a straight answer for your home? Call (604) 359-1081 or request a free written quote.
The Weil-McLain EG Series is a cast-iron, gas-fired boiler that has been a workhorse in North American homes for decades. In its hot-water configuration it heats hydronic systems — baseboards, cast-iron radiators and older in-floor loops — the kind of heating found in thousands of pre-1990s homes across Vancouver, Burnaby, New Westminster and the older neighbourhoods of the North Shore. EG boilers are non-condensing, atmospherically vented units in the low-80s AFUE class, typically connected to a masonry chimney or metal B-vent rather than the plastic sidewall venting used by modern condensing boilers.
The reason so many EG boilers are still running in Metro Vancouver is simple: cast iron is forgiving. The heat exchanger sections tolerate the mineral content and temperature swings that would stress a thin stainless or aluminum exchanger. Many EG units in our service area are 20 to 35 years old and still heating homes — but at that age, controls, gas valves, pumps and venting components need honest assessment, not guesswork.
CANRO Heating & Cooling has serviced these boilers across Greater Vancouver since 1999. We are an independent licensed contractor — not affiliated with Weil-McLain — which means we give you a straight answer about whether your EG is worth repairing or ready for retirement.
Cast-iron boilers rarely fail without warning. Book a diagnostic visit if you notice any of the following:
During a Lower Mainland cold snap these symptoms get worse fast, and boilers that limp along in October fail outright in January. If your EG is showing several of these signs heading into winter, get it looked at before the first freeze.
Our Red Seal certified gasfitters diagnose EG boilers methodically: combustion and draft check at the draft hood, gas pressure verification at the valve, flame signal and pilot assembly inspection, control and aquastat testing, circulator and zone-valve operation, expansion tank charge, and a visual inspection of the cast-iron sections for leaks between sections or corrosion at the base. Because the EG vents into a chimney, we also check for blocked or deteriorating flues — a common and serious issue in older Vancouver homes where the masonry chimney has never been relined.
Common fault behaviour we see on EG boilers in the field includes pilot outage from a weak thermocouple, spill-switch or rollout-switch trips caused by poor draft, aquastat failures that leave the boiler stuck on or off, and circulator pumps that hum but don't move water. Rather than quoting error codes — most EG units use simple electromechanical controls, not digital displays — we diagnose from symptoms, measurements and the control chain.
We charge a diagnostic visit fee and then give you a free written quote for the repair before any work starts. No surprise line items, no pressure. Same-day service is usually available across Burnaby, Vancouver, New Westminster, Coquitlam, Richmond and the North Shore, and we run after-hours coverage during winter demand peaks.
One of the advantages of the EG platform is parts availability. Because the series was produced in large volumes for so long, most components are stocked or quickly sourced through Metro Vancouver wholesale suppliers. Parts we regularly replace on EG boilers include:
The one component that changes the conversation is the cast-iron heat exchanger itself. If sections are leaking between castings or the block is corroded through, replacement sections are rarely economical on a boiler this age — that is usually the point where we recommend replacing the boiler rather than the part, and we will show you why on site. For everything else, we quote the exact part and labour in writing after diagnosis; we don't publish flat parts prices because access, venting and system condition vary house to house.
A licensed CANRO technician can assess it honestly — no supplier quotas, no pressure.
📞 (604) 359-1081Request a free quoteWhen an EG Series boiler reaches the end of its life, most Greater Vancouver homeowners replace it with a modern condensing boiler in the mid-90s AFUE class rather than another atmospheric cast-iron unit. The efficiency jump is substantial, and condensing boilers sidewall-vent in plastic, which eliminates dependence on an aging chimney. That said, there are legitimate cases — shared chimneys, specific hydronic designs, budget constraints — where a conventional replacement still makes sense, and we will lay out both options honestly.
A replacement in a BC home involves details that generic quotes miss: condensate drainage and neutralization (condensing boilers produce acidic condensate that must be handled properly under BC plumbing practice), venting route and termination clearances, chimney abandonment or relining if other appliances share the flue, and matching the new boiler to your existing radiators or baseboards so it doesn't short cycle. Every installation is permitted and inspected through Technical Safety BC — we pull the gas permit on every job, no exceptions.
| Service | Typical Investment |
|---|---|
| New boiler installation (new hydronic system or added equipment) | $6,500–$14,000+ |
| Boiler replacement (removing an existing EG and installing new) | $7,500–$15,000+ |
| Repairs and parts | Diagnostic visit + free written quote |
Final pricing depends on venting, condensate routing, system condition and whether zoning or indirect hot water is added. Every quote is written, itemized and free after the diagnostic.
An EG boiler that gets an annual service can genuinely outlast two modern boilers. Our maintenance visit for EG Series units includes burner removal and cleaning, flue passage brushing between the cast-iron sections, pilot and thermocouple service, draft verification at the hood, gas pressure check, combustion spillage test, safety-control testing (high limit, spill switch, rollout), circulator and zone check, expansion tank charge, PRV test, and a system pressure and water-quality review.
In Metro Vancouver the best time to book is September or October, before the first cold snap loads up every heating contractor's schedule. Maintenance also matters for safety: an atmospherically vented boiler depends on a clear chimney and adequate combustion air, and both can quietly degrade — especially after home renovations tighten the building envelope or a chimney takes water damage over our wet winters.
Regular service also protects the boiler's biggest asset — the cast-iron block. Scale build-up from untreated system water is the main cause of kettling and hot-spot stress, and low system pressure that goes uncorrected pulls fresh, oxygenated water into the loop, corroding the block from the inside. A once-a-year visit catches both problems while they're cheap to fix, and we document everything so strata councils, landlords and insurers have a clear service record.
Moving from a low-80s AFUE atmospheric boiler to a modern condensing unit is exactly the kind of efficiency jump BC's rebate programs were designed to encourage, and the fuel savings show up on every FortisBC bill through our long heating season.
If you're replacing an EG boiler, check what you qualify for before signing anything. The federal Canada Greener Homes Grant closed to new applicants in 2024, but the Canada Greener Homes Loan is still available and offers interest-free financing for eligible home energy upgrades. Provincially, CleanBC and FortisBC run rebate programs that can apply to high-efficiency heating upgrades; eligibility rules, equipment lists and amounts change, so we confirm current program details for your specific situation during the quote rather than promising numbers here. We also handle the paperwork requirements — proper permits and licensed installation are prerequisites for most rebates, and we meet them on every job.
Whether your Weil-McLain EG needs a thermocouple, a circulator pump or a frank conversation about replacement, call (604) 359-1081 or email info@canroheat.ca. For other Weil-McLain equipment, see our Weil-McLain boiler services hub for Greater Vancouver.
⚠️ Safety note: If you ever smell gas near your boiler, leave the home immediately, then call FortisBC's emergency line at 1-800-663-9911 from outside. Once the area is confirmed safe, call CANRO at (604) 359-1081 for licensed repair. Never attempt gas-side repairs yourself — EG boilers require a licensed gasfitter under BC regulation.
Part of the CANRO Weil-McLain boiler services hub — see every related service there.
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📞 (604) 359-1081Request a free quoteReviewed by the CANRO Heating & Cooling service team — July 06, 2026. Technical Safety BC gas licence LGA0043870 · boiler licence LBP0046450 · Red Seal certified · WorkSafeBC and liability insured · 4.9★ from 85+ Google reviews · serving Metro Vancouver since 1999 · (604) 359-1081.
“Canro does an amazing job! Super professional and skilled with everything—boilers, furnaces, and AC. Always a pleasure working with them!”
“Five stars for Canro. We needed a replacement of a 30-year-old boiler. A new high-efficiency unit was installed—clean, professional work.”
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25+ years keeping Metro Vancouver homes comfortable. Honest advice, upfront pricing, work that lasts.