New Yorker CGS40-CNIH (CGS 40 ANI-ME 2) 105,000 BTU Steam Boiler
New Yorker CGS40-CNIH (CGS 40 ANI-ME 2) 105,000 BTU Steam Boiler
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New Yorker CGS40‑CNIH (CGS 40 ANI‑ME 2) 105,000 BTU Gas‑Fired Steam Boiler
Looking for dependable residential steam heat for cast‑iron radiators? The New Yorker CGS40‑CNIH is a compact, gas‑fired steam boiler built for reliability and easy service. With an 82% AFUE, durable cast iron heat exchanger, and a factory vent damper for better efficiency, this 105,000 BTU class model delivers steady, even steam while keeping ownership simple for homeowners and contractors.
- Brand: New Yorker
- MPN: CGS40‑CNIH (CGS40ANI‑ME2)
- Type: Gas‑Fired Steam Boiler
- Fuel: Natural Gas (field‑convertible to LP with kit up to 2,000 ft)
- Input (NG): 103,000 BTU/h
- DOE Heating Capacity: 84,000 BTU/h
- AFUE: 82%
- Ignition: Electronic (intermittent), with factory vent damper
- Venting: Chimney vent; built‑in draft diverter (recommended min. chimney 5" × 15 ft)
- Heat Exchanger: Cast Iron Sections with Metal Section Connectors
- Water Content: 6.5 gal (steamable volume 5.0 gal)
- Connections: 2" steam supply / 2" return; 1/2" NPT gas; 5" flue collar
- Dimensions (W × D × H): 16" × 28" × 40‑7/16"
- Warranty: 10‑Year Limited Heat Exchanger Warranty (residential)
Reliable Cast Iron Construction
The CGS40‑CNIH uses a cast iron heat exchanger for long service life in a steam environment. Metal section connectors and an insulated jacket help maintain efficiency and durability.
Proven Steam Performance
Rated at 63,000 BTU/h Net IBR (≈263 sq. ft. EDR), this model delivers consistent steam for typical small‑ to mid‑size homes. Its 82% AFUE and factory vent damper reduce standby losses compared to older boilers.
Simple Chimney Venting
As a Category I natural‑draft boiler with a built‑in draft diverter, the CGS40‑CNIH installs on a standard lined masonry or listed metal chimney. Recommended minimum chimney size is 5" diameter × 15 ft height.
Electronic Ignition & Safety Controls
An electronic (intermittent) ignition lights the burner only when needed. Standard safety components include a probe‑type low water cut‑off, pressure limit control, and a 15 psi safety valve.
Installer‑Friendly Piping & Layout
With 2" steam supply/return tappings, clear front/side access, and a compact 16" width, the CGS40‑CNIH makes near‑boiler piping and service straightforward. An optional near‑boiler piping kit is available for clean, code‑compliant layouts.
LP Conversion Option
Running propane? A factory LP conversion kit is available (use at elevations up to 2,000 ft).
| Weight | 420.0 lb |
|---|---|
| Height | 28.00 in. |
| Horse Power | 1/3 |
| Length | 41.00 in. |
| Width | 16.00 in. |
| Inventory Number | BURCGS40CNIH |
| MPN | CGS40CNI-H |
