Superseded Part No.248074 | (Honeywell SM11447) | (Honeywell TYPE SMCOL01) | (SIT 0.580.001). Potterton PCB 5112380. Part No.5112380. Potterton Performa 28 (GC No. 47-393-07). Potterton Performa 30 HE (GC No. 47-393-13).
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