8716117424 Was 87161064420 WORCESTER GREENSTAR COMBI RETURN UNIT MANIFOLD

Check your boiler’s GC number to ensure compatibility Greenstar CDI System Models. Greenstar 30 CDI System – GC No. 41-311-93. Greenstar Combi CDI Models. Greenstar Combi 25 CDI – GC No. 47-311-92. Greenstar Combi 27 CDI HE – GC No. 47-406-12.

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