Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The New Yorker CG-F CG40F and New Yorker CG-F CG50F are both non-condensing boilers in the New Yorker Boiler CG-F line. The New Yorker CG-F CG40F is documented at 105 MBH input, 88 MBH heating capacity and 84% AFUE, while the New Yorker CG-F CG50F is documented at 140 MBH input, 117 MBH heating capacity and 84% AFUE. New Yorker CG-F CG50F lists 35 MBH more input than New Yorker CG-F CG40F (140 MBH against 105 MBH). Both list the same published AFUE of 84%. New Yorker CG-F CG50F lists 53 lb more shipping weight than New Yorker CG-F CG40F (357 lb against 304 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | New Yorker CG-F CG40F | New Yorker CG-F CG50F |
|---|---|---|
| Input | 105 MBH | 140 MBH |
| DOE heating capacity | 88 MBH | 117 MBH |
| Net AHRI water rating | 77 MBH | 102 MBH |
| Efficiency (AFUE) | 84 % | 84 % |
| Domestic hot water | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater |
| Approx. shipping weight | 304 lb | 357 lb |
| Dimensions (width × height × depth) | 16" × 40" × 32" | 19" × 40" × 32" |
| Venting | Chimney vented with integral draft diverter | Chimney vented with integral draft diverter |
| Supply/return connections | 1-1/4" supply and 1-1/4" return | 1-1/4" supply and 1-1/4" return |
| Gas valve connection | 1/2" | 1/2" |
| Control | Integrated boiler control with thermal purge and integral LWCO | Integrated boiler control with thermal purge and integral LWCO |
| Fuel | Natural gas ('N' suffix) or LP gas ('L' suffix) | Natural gas ('N' suffix) or LP gas ('L' suffix) |
| Vent diameter | 5" | 6" |
Published ratings: the New Yorker CG-F CG40F is rated 105 MBH input, 88 MBH heating capacity and 84% AFUE; the New Yorker CG-F CG50F is rated 140 MBH input, 117 MBH heating capacity and 84% AFUE. New Yorker CG-F CG50F lists 35 MBH more input than New Yorker CG-F CG40F (140 MBH against 105 MBH). Both list the same published AFUE of 84%.
New Yorker CG-F CG50F lists 53 lb more shipping weight than New Yorker CG-F CG40F (357 lb against 304 lb). The dimensions differs: the New Yorker CG-F CG40F lists 16" × 40" × 32", while the New Yorker CG-F CG50F lists 19" × 40" × 32". The vent diameter differs: the New Yorker CG-F CG40F lists 5", while the New Yorker CG-F CG50F lists 6".
Both records print the same AFUE (84%), domestic-hot-water arrangement (Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater), venting (Chimney vented with integral draft diverter) and water connections (1-1/4" supply and 1-1/4" return), per the cited sources.
New Yorker Boiler
The New Yorker CG-F CG40F is the third size, stepping to a 5-inch vent: 105 MBH input with 88 MBH DOE heating capacity and a 77 MBH net AHRI water rating at 84.0% AFUE, chimney vented in 5".
New Yorker Boiler
The New Yorker CG-F CG50F is the mid-size CG-F with a 6-inch vent: 140 MBH input with 117 MBH DOE heating capacity and a 102 MBH net AHRI water rating at 84.0% AFUE, chimney vented in 6".
The New Yorker CG-F CG50F lists 140 MBH, against 105 MBH on the New Yorker CG-F CG40F, per the cited documentation.
Both list the same AFUE of 84%.
It ships at 357 lb against 304 lb for the New Yorker CG-F CG40F, per the cited sources.
A consultation includes a heat-loss review so the size is right the first time.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.