Ideal PCB 177608, suitable for various Ideal Boilers. Esprit Eco. Esprit Eco 24 -GC No. 47-348-91. Esprit Eco 30 -GC No. 47-348-92. Morco GB24 (Series 11) -GC No. GB24 (SERIES 11). Morco GB30 (Series 11) -GC No.
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