The Weil‑McLain CGI4PIL Series 4 ECM Propane Gas‑Fired Water Boiler delivers dependable, energy‑efficient hydronic heating with a rugged four‑section cast‑iron heat exchanger and a proven standing pilot burner designed specifically for LP‑gas operation. This 90,000 BTU model provides steady, even heat output while maintaining the quiet, low‑maintenance performance homeowners expect from Weil‑McLain. With an 84% AFUE, it’s an excellent choice for traditional chimney‑vented installations and propane‑based replacement projects requiring long‑term reliability.
Built on the trusted CGI Series 4 platform, the CGI4PIL features a high‑efficiency ECM circulator that optimizes water flow, reduces electrical consumption, and enhances overall system performance. Its 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, durability, and consistent performance across a wide range of operating conditions.
The LP‑optimized 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 chimney‑vented, propane‑fired, cast‑iron water boiler, the CGI4PIL 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
