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Comparison
Verdict in brief
Both the Pennco 15B-060K and the Pennco 15B-095K belong to the Pennco 15B-K line of non-condensing boilers. Published ratings: Pennco 15B-060K at 59 MBH input, 50 MBH heating capacity and 84% AFUE; Pennco 15B-095K at 90.8 MBH input, 76.3 MBH heating capacity and 84% AFUE. Pennco 15B-095K lists 31.8 MBH more input than Pennco 15B-060K (90.8 MBH against 59 MBH). Both list the same published AFUE of 84%. Pennco 15B-095K lists 35 lb more shipping weight than Pennco 15B-060K (250 lb against 215 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Pennco 15B-060K | Pennco 15B-095K |
|---|---|---|
| Input | 59 MBH | 90.8 MBH |
| Heating capacity | 50 MBH | 76.3 MBH |
| Net AHRI water rating | 43 MBH | 66 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 |
| Water content | 1.9 gal | 2.3 gal |
| Approx. shipping weight | 215 lb | 250 lb |
| Dimensions (width × height × depth) | 13-3/8" × 32-1/8" × 27-1/4" | 13-3/8" × 32-1/8" × 27-1/4" |
| Venting | Chimney vented with low-profile draft diverter hood | Chimney vented with low-profile draft diverter hood |
| Supply/return connections | 1-1/4" supply and return tappings | 1-1/4" supply and return tappings |
| Gas connection | 1/2" gas inlet | 1/2" gas inlet |
| Control | Internal operating control with digital display | Internal operating control with digital display |
| Fuel | Natural gas or propane | Natural gas or propane |
| Flue diameter | 4" | 5" |
Published ratings: the Pennco 15B-060K is rated 59 MBH input, 50 MBH heating capacity and 84% AFUE; the Pennco 15B-095K is rated 90.8 MBH input, 76.3 MBH heating capacity and 84% AFUE. Pennco 15B-095K lists 31.8 MBH more input than Pennco 15B-060K (90.8 MBH against 59 MBH). Both list the same published AFUE of 84%.
Pennco 15B-095K lists 35 lb more shipping weight than Pennco 15B-060K (250 lb against 215 lb). The boiler water content differs: the Pennco 15B-060K lists 1.9 gal, while the Pennco 15B-095K lists 2.3 gal. The flue diameter differs: the Pennco 15B-060K lists 4", while the Pennco 15B-095K lists 5".
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), dimensions (13-3/8" × 32-1/8" × 27-1/4") and venting (Chimney vented with low-profile draft diverter hood), per the cited sources.
Pennco
The Pennco 15B-060K is the smallest 15B-K size with a 4-inch flue: 59 MBH input with 50 MBH heating capacity and a 43 MBH net AHRI water rating at 84% AFUE, chimney vented with a 4" flue.
Pennco
The Pennco 15B-095K is the second size, stepping to a 5-inch flue: 90.8 MBH input with 76.3 MBH heating capacity and a 66 MBH net AHRI water rating at 84% AFUE, chimney vented with a 5" flue.
The Pennco 15B-095K lists 90.8 MBH, against 59 MBH on the Pennco 15B-060K, per the cited documentation.
Both list the same AFUE of 84%.
It ships at 250 lb against 215 lb for the Pennco 15B-060K, 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.