Potterton Flamingo 20/30 CF50 & RS40 Boiler Gas Valve 402809 V4600C. Fits Appliance(s) GC No. RS3 38H FAN ASSISTED (EARLY MODEL) - 41-589-83. RS4 52H FAN ASSISTED (EARLY MODEL) - 41-589-82. KINGFISHER RS60 - 41-601-37.
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