Bosch Thermotechnology · Buderus G124X (Logano G124X II/SP)
Buderus G124X/32
The Buderus G124X/32 is a discontinued atmospheric cast-iron gas boiler rated 132.5 MBH input with 84.6% AFUE, 96 MBH net IBR rating and a 337 lb dry weight.
Key figures
- Max input
- 132.5 MBH
- Max CSA output
- —
- AFUE
- 84.6 %
- Min input
- —
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Buderus G124X/32 in practice
Best suited to
Applicability and support
- Model number
- G124X/32
- 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 | ||
| Input rate | 132.5 MBH | Brochure performance data; the installation manual prints 74, 103 and 132.5 MBtu/hr output. |
| Output | ||
| DOE heating capacity | 110 MBH | |
| Net IBR rating | 96 MBH | |
| Efficiency | ||
| Efficiency (AFUE) | 84.6 % | Buderus G124X/G234X/G334X brochure. |
| Venting and air | ||
| Vent connection (B-Vent II) | 6" | Atmospheric boiler with draft hood; optional vent damper. |
| Physical and connections | ||
| Dry weight | 337 lb | |
| Water content | 3.4 US gal | |
| Operating limits and other | ||
| Gas connection | 1/2" | |
| Boiler supply and return | 1" | |
| Fuel | Natural gas or propane | Propane conversion kit instructions are served from the Canadian manual library. |
Manuals
Alerts documented for this model
None documented yet.
Questions about the Buderus G124X/32?
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 Canada — Gas Boiler Manuals (G124X) · accessed September 9, 2026
- Logano G124X II/SP Installation and Maintenance Instructions (6304 0308) · accessed September 9, 2026
- Buderus G124X/G234X/G334X Brochure · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.