Weil Mclain CGi 6 Gas Boiler Series 4 158,000 BTU
Custom Pricing Available
+ Turnkey installation *
Buy nowInstallation/replacement covers all necessary materials for operation
A few steps and a new Boiler Weil Mclain CGi- 6 Series 4 in your house
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Make an order Contact us to start the process of purchasing a new boiler. Our customer support team will guide you through all the necessary steps.
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Arrival of a technicianOnce the order is confirmed, our skilled technician will promptly arrive at your property to conduct an inspection and clarify any details.
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Delivery and installation workWe will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
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Get a warrantyOur warranty covers various parts and services, and even after its expiration, we provide reliable post-warranty services.
Technical Characteristics of Weil Mclain CGi 6 Gas Boiler Series 4
Brand
AFUE (%)
DOE Heating Capacity MBH
0 – 2,000 feet Altitude
- Input (Btuh)
- Output (Btuh)
2,000 – 4,500 feet Altitude
- Input (Btuh)
- Output (Btuh)
Net AHRI Water Ratings MBH
Approx. Shipping Weight (Lbs.)
Boiler Water Content (Gal.)
Minimum Vent Connector Diameter
CSA Input (MBH)
Dimensions inches W
Supply Piping (in.)
Return Piping (in.)
Nat or LP Gas Connection Size (in.)
Power Source
Fuel Type:
Warranty
- Residential: 20 Years Heat Exchanger; 2 Years Parts
Application
- Residential and Commercial

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CGi Gas Boiler Series 4 Weil Mclain Manual
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CGi Gas Boiler Series 4 Weil Mclain Reviews
- Avery Chiu February 11, 2024
(0 reply) - Lily Powell November 18, 2023
(0 reply) - Carter Turner October 28, 2023
(0 reply)
4 of 3 ReviewsThe intuitive design of the boiler makes it easy for me to work with the boiler settings.
Great boiler!
For its price, a very good boiler!