Bosch Thermotechnology · Buderus GC144 II (Logano GC 144 II)
Buderus GC144 II 25/4
The Buderus GC144 II 25/4 is a discontinued atmospheric cast-iron gas boiler rated 103,000 BTU/hr input with a 287 lb dry weight and 2.9 US gal water volume.
Key figures
- Max input
- 103 MBH
- Max CSA output
- —
- AFUE
- —
- Min input
- —
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Buderus GC144 II 25/4 in practice
Best suited to
Applicability and support
- Model number
- GC144 II 25/4
- Canadian availability
- historical
- Production status
- discontinued
- ROMA supplies
- Confirmed at consultation
- ROMA services
- Confirmed at consultation
- Warranty
- Not verified
Where ROMA provides on-site service
On-site service is currently offered in Greater Vancouver, BC, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Port Coquitlam, Port Moody, Delta, Langley, Maple Ridge, Abbotsford, Chilliwack, White Rock, Pitt Meadows, Tsawwassen, Anmore, Lions Bay, Belcarra, Bowen Island, Mission. Everything else on this site is reference information you can use anywhere in Canada.
Specifications
Published specifications
Values as published by Bosch Thermotechnology. Units are shown with every value; notes flag conflicting sources or missing figures.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Boiler input | 103 MBH | 103,000 BTU/hr per the dimensions/specs table. |
| Venting and air | ||
| Vent connection | 5" | Atmospheric gas boiler with draft hood. |
| Physical and connections | ||
| Dry weight | 287 lb | |
| Water volume | 2.9 US gal | |
| Maximum boiler temperature | 220 °F | Per the boiler operating conditions table. |
| Maximum operating pressure | 58 psi | |
| Operating limits and other | ||
| Fuel | Natural gas or propane | Propane conversion instructions are published with the manual set. |
Alerts documented for this model
None documented yet.
Questions about the Buderus GC144 II 25/4?
Describe what the boiler is doing and get a straight answer about the next step.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
- Bosch Home Comfort US — Discontinued Buderus Products (GC144) · accessed September 9, 2026
- Logano GC 144 II Installation Instructions (6 720 808 893, 2018/02) · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.