Lochinvar KNIGHT Fire Tube (WHB/KHB)
Residential condensing fire-tube workhorse · ~$6,500–$9,100 installed · Up to 95% AFUE · 604-359-1081
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 installed quoteThe KNIGHT Fire Tube is Lochinvar's flagship residential heating-only condensing boiler, available in wall-mount (WHB) and floor-mount (KHB) configurations. It uses a stainless-steel fire-tube heat exchanger with a 10:1 turndown and a standard ECM variable-speed pump.
Efficiency
Up to 95% AFUE
Output
55,000 – 399,000 BTU/hr
Warranty
Up to 15 years
Type
Heating-only
Features
- Stainless-steel fire-tube heat exchanger
- 95% AFUE, ENERGY STAR certified
- 10:1 turndown ratio
- ECM variable-speed boiler pump standard
- SMART SYSTEM control with CON·X·US remote capability
- Wall-mount (WHB) and floor-mount (KHB) options
- Direct spark ignition with universal vent connector
- 15-year heat exchanger / 5-year parts warranty
Best For
- Whole-home hydronic heating
- Radiant floor and baseboard systems
- Boiler replacements needing high turndown
KNIGHT Fire Tube (WHB/KHB) Models
Lochinvar WHB055
55,000 BTU/hr BTU · 95% AFUE · Smaller homes and condos
Lochinvar WHB110
110,000 BTU/hr BTU · 95% AFUE · Mid-size homes
Lochinvar WHB155
155,000 BTU/hr BTU · 95% AFUE · Larger homes
Lochinvar WHB199
199,000 BTU/hr BTU · 95% AFUE · High-demand homes
Lochinvar KHB285
285,000 BTU/hr BTU · 95% AFUE · Floor-mount, large loads
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.
More on the Lochinvar KNIGHT Fire Tube (WHB/KHB)
Get an exact Lochinvar KNIGHT Fire Tube (WHB/KHB) quote
604-359-1081 · We supply & install — approximate prices shown, call for your exact number.