Lochinvar WHB055
The Lochinvar WHB055 is a 95% AFUE heating only boiler with a 55,000 BTU/hr BTU output, part of the Lochinvar KNIGHT Fire Tube (WHB/KHB) line. GasBoilers.ca installs, repairs, and maintains the WHB055 across Greater Vancouver — Red Seal–certified, TSBC-licensed, same-day repair available. Call 604-359-1081.
Lochinvar WHB055 overview
The 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.
95% AFUE
Efficiency
55,000 BTU/hr
BTU Output
Up to 15 years
Warranty
WHB055 specifications
| Model | Lochinvar WHB055 |
| Series | KNIGHT Fire Tube (WHB/KHB) |
| Type | heating only |
| BTU Output | 55,000 BTU/hr |
| Efficiency | 95% AFUE |
| Warranty | Up to 15 years |
| Origin | United States |
| Best for | Smaller homes and condos |
KNIGHT Fire Tube (WHB/KHB) features
Lochinvar WHB055 services we provide
All work by licensed BC gas-fitters — TSBC-certified.
WHB055 Installation
Permit, sizing, venting, gas, commissioning.
From $6,500
WHB055 Repair
Error code diagnosis, parts, full repair.
From $189
WHB055 Maintenance
Annual tune-up — required for warranty.
From $169
WHB055 Replacement
Upgrade an older unit. Rebate-eligible.
From $6,500
Emergency Service
Same-day no-heat, leak, CO, gas-smell response.
Call 604-359-1081
Warranty Service
Authorized warranty repairs for Lochinvar.
Warranty-covered
Lochinvar WHB055 — frequently asked questions
How much does Lochinvar WHB055 installation cost in Vancouver?
Lochinvar WHB055 installation starts from $6,500 in Greater Vancouver, including permit, code-compliant venting and gas piping, removal of the old unit, and full commissioning. Final pricing depends on your existing system and a heat-loss calculation. Call 604-359-1081 for a free quote.
What size is the Lochinvar WHB055?
The Lochinvar WHB055 has a heating output of 55,000 BTU/hr BTU, with 95% AFUE efficiency. It is best suited to smaller homes and condos.
Do you repair the Lochinvar WHB055?
Yes. We diagnose and repair the Lochinvar WHB055 — error codes, ignition faults, no-heat, leaks, low pressure, and sensor issues — from $189. Our technicians are factory-trained on Lochinvar KNIGHT Fire Tube (WHB/KHB) units and carry common parts on the truck.
How often should the Lochinvar WHB055 be serviced?
Lochinvar recommends annual maintenance to keep the WHB055 efficient, safe, and within warranty (up to up to 15 years). Our maintenance service starts from $169.
Lochinvar WHB055 service across Greater Vancouver
We service the WHB055 in every major Greater Vancouver city.
Other Lochinvar KNIGHT Fire Tube (WHB/KHB) Models
Book Lochinvar WHB055 service today
Same-day repair available · Free installation quotes · Licensed gas-fitters