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Weil-McLain Boiler CGa Gas Boiler Series 4

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 Weil-McLain CGa Gas Boiler Series 4 product image

Technical Specifications

Product Specs

  • Brand: Weil-McLain
  • Official product name: CGa Gas Boiler Series 4
  • Product page: https://www.weil-mclain.com/products/cga-gas-boiler-series-4/
  • Residential/light-commercial gas water boiler
  • Cast-iron boiler family
  • Available in multiple MBH sizes
  • Atmospheric/chimney-vented gas boiler application
  • Natural gas/propane service planning depends on installed model
  • Hydronic water heating application
  • Service focus includes combustion, venting, controls, circulators and near-boiler piping
  • Confirm exact model, serial number, fuel type, venting, controls, connected equipment and installation documentation before quoting parts or replacement.
  • Model or series: CGa Gas Boiler Series 4
  • Equipment type: Boiler
  • Product group: Hydronic heating
  • System role: Hydronic heating equipment for hot-water heating systems
  • 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: weil-mclain.com

Service planning

How GreenFlow handles CGa Gas Boiler Series 4 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.

Brands We Service

Our Happy Customers

Tom T.

Fantastic job by Green Flow. Andrey, Andrei and Yuri were punctual, very neat, capable, and meticulous in replacing two complete HVAC systems and ductwork repairs in our home. They will now be our go to service for all our HVAC needs going forward.

Johnson M.

Andrew is professional and on time on the schedule. I got the same day appointment scheduled, you do not know how hard it is to live in summer Boston without AC working properly. He identified issue very quick and got it fixed like in 10 mins. Gave me...

Howard H.

Great experience. Knowledgeable and very fair. Highly recommend

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Daniel M.

Responsive company, timely installation professionally done. Hannah is great!

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

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...

Megan S.

Great service - my air conditioning failed after hours on a Sunday. I could schedule the appointment online for Monday morning and the technician quickly diagnosed the problem and fixed it. Super helpful- will use them again!

Valni D.

I’m delighted. Andrey the technician came on time and found the problem. They charged me fairly price.We thinking about hiring the company to maintain.

Drew

Diagnosed and replaced issue with furnace. Fast response and showed up right away to fix the issue at a competitive price