The Siemens CMG88.62D2 is a Riello gas-burner control box, supplied under spare-part number 3013073. Its Siemens identification is LMO88.620D2RL. The D-series control replaces RMG88.62C2 under the same Riello spare-part number.
Control Identification
The unit is rated at 220–240 V AC, 50–60 Hz, with an ignition safety time of TSA 3 seconds. The complete CMG designation and Riello spare-part number identify the control; the /M and non-/M versions use different references.
RMG to CMG Replacement
| Current control | Riello part | C-series predecessor |
|---|---|---|
| CMG88.62D2 | 3013073 | RMG88.62C2 |
| CMG/M88.62D2 | 3013362 | RMG/M88.62C2 |
Riello’s C-to-D replacement notice retains the performance, layout and dimensions of the listed predecessor.
Additional burner applications include Riello 40 FS20 G.T., RS28, RS38 and RS64 MZ.
For modulating applications, see CMG/M88.62D2 — 3013362.

