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Lennox Boiler GCWB95 Boiler

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Lennox Boilers Boiler Repair, maintenance, and replacement planning
Lennox GCWB95 Boiler product image

Technical Specifications

Product Specs

  • Boiler type: gas-fired water boiler
  • Efficiency class: high-efficiency condensing boiler
  • Energy Star: qualified product family
  • Lennox model family: GCWB95
  • Product category: Boiler
  • System role: hydronic heating equipment
  • Brand: Lennox
  • Model or series: GCWB95 Boiler
  • Equipment type: Boiler
  • Product group: Boilers
  • Application: Residential or commercial hydronic heating applications when model capacity is appropriate
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: lennox.com

Useful troubleshooting details

  • Confirm the boiler model and serial number, fuel type, venting, ignition type, circulators, zone valves, pressure, and connected domestic hot water setup if present.
  • Share no-heat, pressure, ignition, burner, circulator, leak, noise, short-cycling, or zone-control symptoms.
  • For replacement planning, note whether the project includes boiler replacement, oil-to-heat-pump conversion, hydronic changes, or Mass Save guidance.

Service planning

How GreenFlow handles GCWB95 Boiler requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Jenny W.

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