Williamson-Thermoflo GWC-140
Mid-size hydronic homes · ~$6,500–$9,100 installed · 91.4% AFUE · 604-359-1081
From the Williamson-Thermoflo GWC Series 2 range. We supply & install — we do not sell equipment on its own. Every GasBoilers.ca price includes professional installation by Red Seal–certified BC gas-fitters, permit, and commissioning.
604-359-1081 — exact GWC-140 quoteThe Williamson-Thermoflo GWC-140 is part of the GWC Series 2 — high-efficiency cast-aluminum hot-water condensing boiler. The GWC Series 2 is a gas-fired hot-water condensing boiler reaching roughly 91% AFUE with direct venting. It pairs higher efficiency with a floor-standing design for homes upgrading from atmospheric chimney-vented units.
GWC-140 Specifications
Heating output
Approx. 130,000 BTU output BTU
Efficiency
91.4% AFUE
Warranty
Up to 12 years
Best suited to: Mid-size hydronic homes.
What the Installed Price Includes
Approximate installed price — every home is different. Final cost depends on your existing system, venting, gas line, and a heat-loss calculation. Call 604-359-1081 for an exact quote.
Williamson-Thermoflo GWC-140 — installed in your city
More on the Williamson-Thermoflo GWC-140
Get an exact Williamson-Thermoflo GWC-140 installed quote
604-359-1081 · We supply & install — approximate price shown, call for your exact number.