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

ModelLochinvar WHB055
SeriesKNIGHT Fire Tube (WHB/KHB)
Typeheating only
BTU Output55,000 BTU/hr
Efficiency95% AFUE
WarrantyUp to 15 years
OriginUnited States
Best forSmaller homes and condos

KNIGHT Fire Tube (WHB/KHB) 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

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.

Book Lochinvar WHB055 service today

Same-day repair available · Free installation quotes · Licensed gas-fitters

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