Williamson-Thermoflo GWC-140

Mid-size hydronic homes · ~$6,500–$9,100 installed · 91.4% AFUE · 604-359-1081

$6,500–$9,100approximate installed price

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 quote

The Williamson-Thermoflo GWC-140 is part of the GWC Series 2high-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

Supply of the boiler
Professional installation
Removal of the old unit
Code-compliant venting & gas connection
Municipal permit
System commissioning & workmanship warranty

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.

Get an exact Williamson-Thermoflo GWC-140 installed quote

604-359-1081 · We supply & install — approximate price shown, call for your exact number.

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