The Weil‑McLain CGI6PIN Series 4 ECM Gas‑Fired Water Boiler delivers high‑capacity, energy‑efficient hydronic heating with a rugged six‑section cast‑iron heat exchanger and a proven standing pilot ignition system. Designed for long‑term reliability, this 158,000 BTU model provides strong, even heat output while maintaining the quiet, low‑maintenance performance homeowners expect from Weil‑McLain. Its 84% AFUE efficiency makes it an excellent choice for traditional chimney‑vented installations and replacement projects requiring durable, cast‑iron construction.
Built on the trusted CGI Series 4 platform, the CGI6PIN features an ECM circulator that enhances system efficiency by optimizing water flow and reducing electrical consumption. The boiler’s clean, accessible control layout supports fast installation and simplified service, giving technicians clear access to key components. Precision‑machined cast‑iron sections ensure excellent heat transfer, long service life, and consistent performance across a wide range of operating conditions.
The standing pilot burner provides reliable, time‑tested ignition—ideal for homes where straightforward operation and easy servicing are priorities. Integrated safety controls help maintain proper system function under varying load conditions, ensuring dependable comfort throughout the heating season.
Perfect for residential applications requiring a high‑output, chimney‑vented, cast‑iron gas boiler, the CGI6PIN S4 ECM delivers the durability, efficiency, and serviceability that define the Weil‑McLain name. It’s a practical, long‑lasting solution for upgrading older systems or installing a robust new hydronic heating setup.
We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:
Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale
Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley
Contact us today at (631) 779-3196
